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Low slender annual herb from a taproot, short- to long-hairy, at least in the inflorescence, often also finely glandular; stems widely branched, usually from near the base, nearly smooth, tending to be wider than tall, 2-10 cm tall.
Basal leaves threadlike, few, smooth, entire; stem leaves pinnatifid, the lobes threadlike, abruptly pointed, seldom 2.5 cm long.
Inflorescence of flowers borne in dense, leafy-bracteate heads terminating the stem and branches, the lateral branches arising just beneath, or even within, the head and again producing terminal heads which may have associated branches; corollas regular, white to pale pink or lavender, 3.5-5 mm long, the lobes less than 1 mm long, the petal traces 3-veined well down into the tubes; calyces 5-10 mm long, generally surpassing the corolla, 2 or 3 of the lobes evidently longer than the others; bracts foliaceous with firm-papery bases, palmatifid or subpalmatifid; filaments very short, up to about 0.3 mm long, subequally inserted less than 1 mm below the sinuses; stigmas 3, often 2 of them partly fused.
Capsules, regularly dehiscent, usually from the base upward, by 3 valves, but commonly only 2-locular by complete failure of one of the partitions, the odd valve narrower than the others.
The first collection of this species was made in 2000 at Anarchist Mountain (Douglas et al. 2002).
Source: The Illustrated Flora of British Columbia