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Entireleaf mountain-avens

Dryas integrifolia

Also called Entire Leaved Mountain Avens, Entire Leaved White Mountain Avens

Entireleaf mountain-avens
Photo: Denali National Park and Preserve, Public domain

A low, mat-forming Arctic and subarctic dwarf shrub with white flowers and small, silky-haired leaves. It is a hardy alpine-type plant that needs cold winters and open, well-drained ground rather than warm garden conditions.

Family
Rosaceae (Rose family)
Grows as
Shrub
Light
Full sun
Water
Water during dry spells in the growing season; let the soil dry a little between waterings and avoid waterlogging.
Soil
Well-drained, gritty or sandy soil, low in rich organic matter.
Temperature
Hardy to well below freezing; tolerates long cold winters, but dislikes prolonged heat above about 25 °C.
How easy
Moderate
Native range
Siberia to Russian Far East, Subarctic America to Canada
Climate
subalpine or subarctic

About

Dryas integrifolia is a species of flowering plant in the rose family known by the common names arctic avens, entireleaf mountain-avens, white mountain-avens, northern white mountain avens, and mountain avens. It is native to northern parts of North America, where it occurs from Alaska across Canada to Greenland. It is a common species of the Arctic and it is probably the most common flowering plant on some of the western Arctic islands.

This plant is a shrub, often a dwarf shrub. It forms a prostrate mat up to 10 cm (3.9 in) to 17 cm (6.7 in) tall, the stems branching horizontally along the ground. The leaves are borne on stipulate petioles that are covered in long, silky or woolly hairs. The leaf blades are linear to lance-shaped and measure up to 2.2 cm (0.87 in) long. The blades have smooth upper surfaces and densely haired undersides.

Other Dryas plants

Drummond's mountain-avens · Eightpetal mountain-avens · Mountain-avens

Text excerpted from the Wikipedia article Dryas integrifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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