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General:
Annual herb from a slender taproot; stems usually branched from base and spreading to ascending, 10-55 cm tall, peeling below; plant sparsely stiff-hairy to almost glabrous, pale-green.
Leaves:
Opposite near base, alternate above, lanceolate to egg-shaped, 8-35 mm long, finely toothed; unstalked or nearly so.
Flowers:
Inflorescence crowded in leafy spikes; flowers generally fertilized in the bud, not opening; hypanthium 0.3-1 mm long; petals 1-3 mm long, pink, deeply notched; sepals 0.7-2 mm long; stigmas sometimes nearly 4-lobed.
Fruits:
Capsules, cylindric, about 7 mm long, 1-1.5 mm wide, tough, slightly curved, pointed but not beaked, 4-chambered; unstalked; valves mostly adherant to partitions, the axis breaking-up as seeds shed; seeds 6-14 per chamber, in 2 rows, 1-1.3 mm long, netted, glabrous, brownish, without tuft of hairs.
Source: The Illustrated Flora of British Columbia
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