Ross' Avens

geum rossii

Ross' Avens (Geum rossii) is a resilient, low-growing alpine perennial that paints high-elevation meadows and rocky ridges with bursts of cheerful yellow. Thriving in the harsh, wind-swept tundras of North America and eastern Asia, this tenacious member of the rose family is a true survivor. It has adapted beautifully to some of the most extreme environments on Earth, where freezing temperatures and intense solar radiation are daily challenges. In addition to its ecological role as an early-season resource for pollinators, Ross' Avens plays a dramatic visual role in alpine landscapes. As summer transitions to autumn, its dense, divided green leaves undergo a stunning metamorphosis, turning entire mountainsides into vibrant carpets of brilliant crimson and copper. It is a favorite sight for high-altitude hikers and nature enthusiasts. Use the Snappit app to scan, identify, and learn about Ross' Avens in real-time.

Habitat: Found in high-elevation alpine tundra, rocky mountain slopes, gravelly screes, and fellfields above the timberline.

Appearance

This plant forms low-growing, cushion-like clumps typically standing 10 to 30 centimeters tall. It features bright yellow, buttercup-like flowers that are 1.5 to 2.5 centimeters wide, each displaying five rounded petals surrounding a dense cluster of golden stamens. The leaves are deeply divided and pinnate, resembling small, intricate ferns, and form a lush green base during the spring and summer before transforming into a striking, deep red color in the autumn.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderRosalesFamilyRosaceaeGenusGeum

Ross' Avens

Interesting facts

Despite the freezing winds of alpine ridges, the saucer-shaped flowers of Ross' Avens act like miniature satellite dishes, focusing solar heat onto their reproductive organs to attract pollinators.

Individual clumps of Ross' Avens can survive for over a decade in some of the harshest, most nutrient-poor soils on the planet.

Its spectacular autumn transformation turns vast green tundra landscapes into striking fields of crimson, visible from miles away.

Special abilities

Accumulates high concentrations of soluble sugars in its cellular fluid to prevent ice crystals from damaging its tissues during sudden summer freezes.

Produces high levels of red anthocyanin pigments in autumn, which protect the leaf cells from intense high-altitude sunlight while the plant prepares for winter dormancy.

Utilizes a tough, creeping underground rhizome system that anchors the plant firmly in unstable, shifting scree slopes and captures scarce moisture.

Measurements & details

Length: 10-30 cm
Lifespan: 5-15 years

Diet & Feeding

As a photosynthetic autotroph, Ross' Avens converts sunlight, carbon dioxide, and water into sugars to fuel its growth while absorbing water and mineral nutrients through its root system.

Primary Foods

Sunlight
Carbon dioxide
Water
Mineral nutrients

Ecological connections

eaten by

American Pika

Ochotona princeps

The American Pika harvests the leaves and flowers of Ross' Avens to store in its haypiles as a vital winter food source.

mutualism

Alpine Bumblebee

Bombus balteatus

The Alpine Bumblebee visits the yellow blossoms to collect nectar and pollen, serving as a primary pollinator.

eaten by

Bighorn Sheep

Ovis canadensis

Bighorn Sheep graze on the nutrient-rich summer foliage of Ross' Avens in alpine meadows.

Traits

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Also known as

No aliases listed yet.

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Ross' Avens?

The easiest way to identify Ross' Avens is to use the Snappit nature identifier app.

How long is Ross' Avens?

10-30 cm

How long does Ross' Avens live?

5-15 years

What does Ross' Avens eat?

As a photosynthetic autotroph, Ross' Avens converts sunlight, carbon dioxide, and water into sugars to fuel its growth while absorbing water and mineral nutrients through its root system.

Where is Ross' Avens usually found?

Found in high-elevation alpine tundra, rocky mountain slopes, gravelly screes, and fellfields above the timberline.