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Annual, sometimes perennial herb from a thick, deep taproot, densely glandular-hairy throughout; stems trailing, to 1.5 m long; branches short, forming mats.
Opposite, thick and fleshy, lanceolate to narrowly egg-shaped, 2-6 cm long, 0.8-3.5 cm wide; stalks 2.5-7 cm long.
Inflorescence of many-flowered, rounded heads on stout flower stalks 2-4 cm long, involucral bracts 5 (4), in a whorl, narrowly lanceolate, 5-6 mm long; perianth tube greenish to pinkish, 6-8 mm long, widely flaring into a pink, 5-lobed limb 5-6 mm wide.
Achenes, 10-12 mm long, prominently 3- or 4-winged, the wings of the fruits wider than the fruit bodies.
This regional endemic was considered extinct in BC and WA until recently (Douglas et al. 1998a, Washington Natural Heritage Program 1994). Two plants of this species were rediscovered in 2000 and subsequently destroyed by a winter storm that year (Douglas 2001). In May 2001 three plants reappeared at the same site.
Source: The Illustrated Flora of British Columbia