UW Burke Herbarium species comparison

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Rhododendron groenlandicum

bog Labrador-tea, rusty Labrador-tea
Habit Evergreen shrubs 0.5-2 m. tall, the twigs strigose pubescent.
Leaves

Leaves linear-elliptic, 2-6 cm long, leathery above and densely rusty-woolly on the underside, margins rolled toward the underside
Flowers

Flowers 5-petaled and white, many, in short, terminal racemes; calyx short, 5-parted nearly to the base; stamens 5-10, slightly longer than the style, the anthers opening by pores near the tip;

ovary superior.
Fruits

Capsule 5-valved, ovoid, 4-5 mm. long, puberulent.

Rhododendron groenlandicum
Flowering time June-August
Habitat Swamps and bogs at low to middle elevations.
Distribution
Occurring west of the Cascades crest in Washington; Alaska to Oregon and Idaho, east across Canada and the Great Lakes region to northeastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
R. albiflorum, R. columbianum, R. macrophyllum, R. menziesii, R. neoglandulosum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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