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.

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

外見

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.

界Plantae門Tracheophyta綱Magnoliopsida目Rosales科Rosaceae属Geum

Ross' Avens

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

スナップ

最初にスナップしよう！

おもしろい事実

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.

特殊能力

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.

サイズと詳細

長さ: 10-30 cm
寿命: 5-15 年

食性と食事

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.

主な食物

Sunlight
Carbon dioxide
Water
Mineral nutrients

生態系とのつながり

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.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Ross' Avensを見分けるには？

Ross' Avensを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Ross' Avensの長さは何ですか？

10-30 cm

Ross' Avensの寿命は何ですか？

5-15 年

Ross' Avensは何を食べますか？

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.

Ross' Avensは通常どこに生息していますか？

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