Patagonia & Nahuel Huapi Plant Field Guide

Ñire (Nothofagus antarctica)

Ñire is a deciduous small tree or shrub recognizable by its irregularly toothed, often crinkled leaves, gray bark, and highly variable, wind-pruned form.

• Habitat: Wet flats, frost hollows, bog margins, and the forest-steppe transition.
• Season: Spring through fall.

Documented Uses: Flexible small stems can serve as light wattle, pegs, and brush windbreaks where collection is legal. Dry deadwood provides useful fuel.

Look-alikes: Lenga (Nothofagus pumilio) is typically taller at a comparable age and features more evenly lobed leaves.

Cordilleran Cypress (Austrocedrus chilensis)

Cordilleran Cypress is a narrow conifer featuring flattened sprays of tiny scale leaves, reddish fibrous bark, small oval cones, and an often columnar crown.

• Habitat: Drier rocky slopes and the eastern Andean forest margin.
• Season: Year-round foliage and structure.

Documented Uses: The aromatic, decay-resistant wood has traditional construction value, and deadfall can be gathered to make durable small stakes.

Look-alikes: Arrayán (Luma apiculata) features smooth cinnamon bark and broad leaves, while coihue (Nothofagus dombeyi) possesses toothed broadleaves rather than scale foliage.

Trees and Woody Plants: Field Overview

Field reference covering botanical identification, practical wilderness material properties, and conservation guidelines for native woody species.

Arrayán (Luma apiculata)

Arrayán is an evergreen tree distinguished by exceptionally smooth, cool cinnamon-orange bark that peels in pale patches, opposite glossy leaves, white brush-like flowers, and dark berries.

• Habitat: Moist lake margins, sheltered forest understories, and streambanks.
• Season: Leaves present year-round; white flowers appear in summer; fruit ripens in late summer through fall.

Documented Uses: The hard, fine-grained wood from seasoned deadfall is well suited for carving small tools. The vibrant bark makes the tree an unmistakable navigational landmark.

Look-alikes: Maitén (Maytenus boaria) has alternate leaves and gray bark. Other myrtle relatives share opposite leaves but lack the distinctive smooth orange trunk.

Species Profile: Resinous Shrub

Erect resinous shrub characterized by tiny, overlapping scale-like leaves and small white to pale violet tubular flowers.

Habitat and Season: Occurs along dry forest margins, rocky slopes, and the Patagonian steppe, primarily observed during summer.

Documented Use: Regional published records note traditional applications in urinary and digestive preparations; aromatic stems have also served as incense or smoke material.

Seasonal and Habitat Planning

Plant availability is local and variable. Use these seasonal phases and habitat forecasts to plan field observation rather than assuming a harvest.

• Spring / Early Rains: New shoots, flowers, catkins, and wetland hazards become visible. Prioritize learning leaves and flowers before fruit appears; avoid disturbing roots and bulbs.
• Summer / Peak Growth: Foliage reaches its maximum, making most edible greens and traditional-use herbs identifiable. Photograph multiple morphological traits and document habitat and abundance.
• Autumn / Fruit: Most berries, hips, cones, and seed structures mature. Confirm the full plant's identity and leave sufficient food behind for wildlife and species regeneration.
• Winter / Dormant: Evergreen shrubs, bark, twigs, cones, and persistent fruit remain accessible. Rely on woody characteristics, as snow and frost obscure herbaceous markers.

Habitat associations and field risks:

• Dry ridge / exposed slope: Commonly holds Coihue, Lenga, and Ñire. Primary risks include windthrow, fire hazards, and disturbing slow-growing, protected vegetation.
• Moist forest / sheltered valley: Commonly holds Cordilleran cypress, Arrayán, and Chilean firebush (notro). Primary risks include toxic look-alikes, falling timber, and reduced visibility.
• Wetland / peat / stream edge: Commonly holds Palqui and Deu (huique). Primary risks include water hemlock or other toxic wetland shrubs, along with unstable footing.
• Open disturbance / camp edge: Commonly holds Maqui, Calafate, Michay (Darwin's barberry), and Chaura. Primary risks include human-introduced chemicals, contamination, and invasive species.

Seasonal Reality and Resource Planning

A late frost, drought, fire, flood, animal browsing pressure, or poor flowering year can entirely eliminate an expected plant source.

Look-alike and Hazard Matrix

The most important plant knowledge is often knowing what not to touch, taste, or dig.

Educational reference only — never consume or medicate from a single source.

Sources, Scope, and Limitations

Taxonomy and regional occurrence change over time. Always verify current botanical names, distribution, and legal status before publication or field use.

• Flora Argentina (Instituto de Botánica Darwinion, CONICET) — National scientific flora: https://buscador.floraargentina.edu.ar/
• Parque Nacional Nahuel Huapi (Administración de Parques Nacionales, Argentina) — Protected-area ecology: https://www.argentina.gob.ar/parquesnacionales/nahuelhuapi
• Plants of the World Online (Royal Botanic Gardens, Kew) — Taxonomy and distribution: https://powo.science.kew.org/
• Published ethnobotanical studies of Mapuche and Patagonian plant use (Molares, Ladio and colleagues; peer-reviewed literature) — Ethnobotany: https://scholar.google.com/scholar?q=Molares+Ladio+Patagonia+ethnobotany
• Medicinal and food plants of Patagonia: peer-reviewed regional literature (CONICET and regional universities) — Ethnobotany: https://scholar.google.com/scholar?q=Patagonia+medicinal+plants+ethnobotany
• Centro Nacional de Intoxicaciones (Hospital Nacional Prof. Alejandro Posadas, Argentina) — Poison safety: https://www.argentina.gob.ar/salud/hospitalposadas/centronacionaldeintoxicaciones

Region at a Glance

The Andean lake district is characterized by coihue forests, Patagonian berry-producing shrubs, naturalized toxic invaders, and ethnobotanical plants traditionally used by local communities.

Filming Region: Andean lake district near Nahuel Huapi National Park, northern Patagonia, Argentina (Alone Season 3). Ecology: Valdivian and North Patagonian temperate forest, Andean foothills, lake margins, steppe transition zones, and disturbed homesteads.

The terrain sits at the junction where wet Andean forest transitions into colder mountain slopes and arid Patagonian steppe. Within a short walking distance, one can encounter Nothofagus forests, Patagonian cypress woodlands, dense bamboo thickets, and diverse berry shrubs; however, elevation, solar exposure, and fire history create sharp microclimatic gradients. In addition, several toxic European species have become naturalized around roadways, old farms, and abandoned settlements.

Field Priorities

• Distinguish the major southern beech (Nothofagus) species by comparing leaf size, bark texture, elevation band, and whether foliage is evergreen or deciduous.
• Treat all white-flowered species in the carrot family (Apiaceae) as dangerously toxic until a qualified local expert positively rules out poison hemlock.
• Identify calafate and michay by examining the entire shrub architecture and spiny foliage, not merely by the presence of dark berries.
• Do not harvest culturally significant medicinal shrubs without local permission and an understanding of conservation status.
• Account for poor visibility: cold rain and ash-colored bark obscure identification, so verify multiple botanical traits using a hand lens.

Non-Negotiable Plant Safety

Positive Identification Protocol

Follow a repeatable, disciplined observation protocol. True field confidence comes from verifying multiple independent botanical characteristics rather than relying on intuition or superficial impressions.

Step 1: Place

Document the macro- and micro-environment: record habitat type, soil moisture, aspect, slope gradient, elevation, and the surrounding dominant plant species.

Step 2: Form

Determine the overall growth habit: classify the specimen as a tree, shrub, woody vine, herbaceous plant, graminoid (grass-like), fern, or succulent.

Step 3: Leaves

Inspect foliage morphology in detail: note leaf arrangement (alternate, opposite, whorled), overall shape, margin (smooth, serrated, lobed), venation patterns, presence of hairs, crushed odor, and characteristics of the leaf underside.

Step 4: Stem and Bark

Examine the woody and structural elements: inspect for thorns or spines, sap color and consistency, inner pith, lenticels, dormant bud structures, twig coloration, and mature bark texture.

Step 5: Flowers and Fruit

Analyze reproductive structures: count petals and sepals, observe inflorescence shape and clustering, examine seed morphology, and record how fruit attaches to the stem.

Independent Publication Notice

This guide is an independent educational reference and is not affiliated with HISTORY, the Alone television series, local Indigenous governments, or protected-area authorities. Traditional-use notes summarize published sources and do not transfer cultural authority. Local knowledge holders, current regulations, and qualified medical or botanical professionals take precedence.

Toxic Plants to Avoid: Overview & Palqui

Before gathering any wild plants, you must first learn to recognize high-consequence toxic species in the field.

Identifying Palqui (Cestrum parqui)

Palqui is a shrub featuring narrow alternate leaves that release an unpleasant odor when crushed, clusters of greenish-yellow tubular flowers, and dark berries.

• Habitat: Disturbed ground, roadsides, old fields, and settlement edges.
• Season: Spring through fall.
• Documented Use: No food or medicinal use in this guide.

Deu / Huique (Coriaria ruscifolia) is another high-consequence toxic species that must be avoided.

Identifying Deu / Huique (Coriaria ruscifolia)

Deu, also known as Huique (Coriaria ruscifolia), grows as a shrub or climber with small, opposite leaves set along arching stems and dense clusters of dark, berry-like fruits.

• Habitat: Forest edges, stream gullies, and moist disturbed sites across parts of southern Chile and Argentina.
• Season: Summer through fall.
• Documented Use: No survival use. Treat all dark clustered fruits on opposite-leaved shrubs as unsafe until this species is conclusively ruled out.

Look-alikes: Maqui is a woody shrub with distinct leaf venation and looser fruit clusters, while elder features compound leaves.

Toxic Plants to Avoid: Foxglove

High-consequence toxic species must be identified and avoided before beginning any foraging or gathering.

Identifying Foxglove (Digitalis purpurea)

Foxglove features a tall spike of purple, pink, or white tubular flowers with spotted throats, growing above soft, wrinkled basal leaves.

• Habitat: Roadsides, old farms, clearings, and other disturbed ground.
• Season: Late spring through summer.
• Documented Use: No field medicinal use.

Poison Hemlock (Conium maculatum) is another deadly species that must be recognized and avoided.

Identifying Poison Hemlock (Conium maculatum)

Poison Hemlock is characterized by tall, smooth, hollow stems commonly marked with purple blotches, finely divided glossy leaves, and numerous umbrella-shaped clusters of white flowers.

• Habitat: Roadsides, wet ditches, old fields, and stream margins near disturbed areas.
• Season: Spring through fall.
• Documented Use: No survival use. Accurate identification of this plant is mandatory before harvesting any wild carrot-family greens.

Look-alikes: Wild celery and other members of the Apiaceae family look similar; positive identification requires verifying multiple structural traits alongside local expertise.

Traditional-Use Plants: Matico

Published cultural and historical plant applications are documented here for educational reference and field study. They do not constitute prescriptions or dosing advice.

Matico (Buddleja globosa) is an established regional shrub with documented traditional uses across southern South America.

Identifying Matico (Buddleja globosa)

Matico is a shrub characterized by opposite, lance-shaped gray-green leaves and spherical orange flower heads composed of many small tubular flowers.

• Habitat: Sunny streambanks, forest edges, and disturbed slopes.
• Season: Flowers in summer; leaves are present throughout the growing season.
• Documented Use: Published Mapuche and regional traditional uses include external washes and aromatic preparations.

Identifying Paramela (Adesmia boronioides)

Paramela is a low, resinous aromatic shrub with small compound leaves and yellow pea-like flowers that emit a strong balsamic scent in warm sunlight.

• Habitat: Dry rocky slopes and steppe margins east of the forest.
• Season: Flowers in summer.
• Documented Use: A well-known Patagonian aromatic plant with documented traditional tea infusions and external applications. Dry twigs may scent smoke, but they are not a primary fuel source.

Traditional-Use Plants: Nalca

Published cultural or historical uses are provided strictly for educational reference and should not be treated as prescriptions or dosing advice.

Nalca, commonly known as giant rhubarb (Gunnera tinctoria), is a prominent perennial plant recognized for its substantial foliage and traditional food utility.

Identifying Nalca (Gunnera tinctoria)

Nalca produces huge, coarse, rounded leaves on thick, prickly stalks alongside reddish-green flower spikes, typically growing in dense colonies in saturated ground.

• Habitat: Streambanks, natural springs, wet slopes, and moist road cuts.
• Season: Spring through fall.
• Documented Use: Peeled young stalks have documented food use in southern Chile and Argentina. The broad leaves can also serve as temporary covers or clean work surfaces in the field.

Notro Identification

Notro is a small evergreen or semi-evergreen tree characterized by narrow leathery leaves, brilliant red tubular flower clusters, dark bark, and open branching. It typically grows in forest openings, burned ground, lake shores, and rocky slopes, flowering from spring to early summer.

The light wood and straight branches can be used for small non-load-bearing camp projects where harvesting is legally permitted. In the field, its brilliant red flowers also serve as a prominent seasonal landmark.

When identifying notro, be aware of look-alikes: Escallonia features smaller clustered flowers and toothed leaves, while various planted ornamentals near towns can also resemble wild notro.

Documented Edible Plants: Maqui

Only harvest documented edible foods. Positive botanical identification and safe preparation remain essential before consuming any wild plant.

Maqui (Aristotelia chilensis) is a documented edible plant native to the region, valued for its edible berries and traditional uses.

Maqui Identification and Uses

Maqui is an evergreen shrub or small tree featuring opposite-to-subopposite toothed leaves, reddish petioles, and clusters of small deep purple berries. It is commonly found along forest edges, disturbed clearings, streambanks, and second-growth zones, bearing fruit from late summer through fall.

Ripe maqui berries are a documented food source and can be eaten fresh, cooked, or dried once confident identification has been made.

When checking for look-alikes, note that arrayán berries grow on a tree with distinctive smooth orange bark, whereas elder features compound leaves and larger, flat fruit clusters.

Calafate Identification and Uses

Calafate (Berberis microphylla) is a spiny shrub with small leathery leaves growing in clusters, yellow flowers, and blue-black berries coated in a waxy bloom. The stems typically bear one to three sharp spines at each node. It inhabits open forest, rocky slopes, steppe margins, and lake terraces, fruiting from late summer through fall.

The ripe berries are a well-documented Patagonian food, commonly eaten fresh or cooked into preserves.

Regarding look-alikes, michay features larger holly-like leaves and often produces larger flower clusters than calafate.

Documented Edible Plants: Michay

Strict adherence to documented wild foods is required when foraging. Positive species identification and safe preparation remain essential safeguards.

Michay, also known as Darwin's barberry (Berberis darwinii), is a documented edible species closely related to calafate and native to southern forests.

Field Cross-Check and Documentation Protocols

Always match at least three reliable sources and rule out every dangerous look-alike before confirming any field identification.

Automatic Stop List — halt immediately and do not harvest or consume if encountering any of the following:

• No tasting to identify.
• No wetland roots.
• No unknown white umbels.
• No unknown bulbs.
• No unknown milky sap.
• No medicinal experiments.

Documentation Kit procedures for recording specimens:

• Photograph the whole plant, including leaf top and bottom, stem, bark, flowers, fruit, and surrounding habitat.
• Add an object for scale in every photograph.
• Record the date, exact location, and your level of confidence.
• Never let an AI label overrule the determination of a regional botanist.

Trees and Woody Plants: Coihue (Nothofagus dombeyi)

Field identification, practical material properties, and conservation cautions for regional woody species, starting with the Coihue tree (Nothofagus dombeyi).

Identifying Coihue (Nothofagus dombeyi)

Coihue is a large evergreen southern beech characterized by small, glossy serrated leaves, dark scaly bark, and tiny cupules holding three nuts. The canopy remains green throughout the winter.

Habitat & Season: Found in moist lower mountain slopes, lake shores, and stream valleys. Available year-round.

Documented Use: The dense wood can provide durable poles and long-burning fuel when seasoned. Fallen bark and branches provide sheltered dry tinder even during wet conditions.

Next species in this section: Lenga tree (Nothofagus pumilio).

Identifying Lenga (Nothofagus pumilio)

Lenga is a deciduous southern beech displaying small oval leaves with rounded, paired lobes along the margin and vibrant copper-red autumn foliage. It is frequently wind-shaped into krummholz formations near the treeline.

Habitat & Season: Occupies cool upper slopes, snow belts, and subalpine forests. Foliage is present from spring through fall; wood is accessible year-round.

Documented Use: The hard wood is suitable for crafting stakes, wedges, and fuel. Because this species indicates colder and snowier microclimates, it serves as an indicator of elevation and exposure.

Trees and Woody Plants: Nire (Nothofagus antarctica)

Identification, practical material properties, and conservation cautions for Nire (Nothofagus antarctica), a resilient deciduous southern beech of Patagonia.

Barberry (Berberis)

Dense evergreen spiny shrub with small, glossy, holly-like leaves, orange-yellow flower clusters, and blue-purple berries.

• Habitat: Forest margins, disturbed woodland, and moist slopes.
• Season: Late summer through fall.
• Documented Use: Fully ripe berries are a documented food and can be cooked or strained to remove seeds.

Chaura (Gaultheria mucronata)

Low evergreen shrub with tiny pointed leaves, small urn-shaped flowers, and berry-like fruits that range in color from white to pink or purple.

• Habitat: Heaths, open forest, bog edges, and windswept slopes.
• Season: Late summer through winter.
• Documented Use: Ripe fruits are a documented food, typically mild to sweet and especially useful when other seasonal berries are finished.

Documented Edible Plants

Wild foraging should focus strictly on documented food species. Positive botanical identification and safe preparation remain essential before harvesting or consuming any wild plant.

Magellan Currant (Ribes magellanicum)

Spineless shrub with three- to five-lobed currant leaves, hanging flower clusters, and dark purple to black berries.

• Habitat: Moist forest openings, streambanks, and cool mountain slopes.
• Season: Late summer.
• Documented Use: Ripe berries are a documented food and can be eaten fresh or cooked.

Chilean Strawberry (Fragaria chiloensis)

Low runner-forming plant with three thick, toothed leaflets, white five-petaled flowers, and small aromatic red fruits.

• Habitat: Sunny lake terraces, dunes, open forest, and disturbed ground throughout the broader Andean region.
• Season: Summer.
• Documented Use: Fully ripe fruits are a documented food. The foliage can also help identify sandy, well-drained terrain suitable for camp edges.