General: Tufted perennial herb from a taproot; stems tufted, 1-12 cm tall, glabrous to finely feltlike and woolly with starlike hairs.
Leaves: Usually all basal, linear to oblanceolate or egg-shaped, 0.5-1.5 cm long, 1-5 mm wide, densely feltlike and woolly with starlike hairs, toothed, midribs firm and withering but persistent; stem leaves lacking or sometimes 1-2.
Flowers: Racemes 3- to 15-flowered; petals white, 2.5-4 mm long.
Fruits: Silicles, (3) 7-12 (20) mm long, 1-2 (3.5) mm wide, linear to elliptic or narrowly oblong-oblanceolate, somewhat contorted, glabrous to starlike-hairy; fruiting stalks shorter than silicles; styles 0.2-0.5 mm long; seeds 8-30, about 1 mm long.
Notes: Three varieties occur in BC.
1. Stems with 1 or 2 leaves, usually more than 2 mm wide; silicles usually appressed to axis of the inflorescence; stems and stalks frequently hairy................ var. vestita O.E. Schulz
1. Stems leafless or rarely with 1 leaf, less than 2 mm wide; silicles usually spreading; upper stems and stalks usually glabrous.
2. Silicles more than 2 mm wide................. var. thompsonii (C.L. Hitchc.) Rollins
2. Silicles less than 2 mm wide............... var. lonchocarpa
Mesic to dry meadows, cliffs and scree slopes in the subalpine and alpine zones; var. lonchocarpa - common throughout BC E of the Coast-Cascade Mountains, var. thompsonii - rare in and E of the Coast-Cascade Mountains south of 57degreeN, var. vestita - rare in coastal and west-central BC; var. lonchocarpa - N to AK, YT and NT, E to AB, and S to OR, MT and WY, var. thompsonii - S to N WA and var. vestita - N to SC AK.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2017. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
23/05/2019 10:19:40 PM
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