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General:
Annual herb from fibrous roots; stems erect to decumbent, 5-20 cm tall, simple or few-branched, smooth to obscurely and minutely glandular-hairy above.
Leaves:
Opposite, unstalked, lanceolate, 8-25 mm long, sparingly and minutely toothed toward the tip or entire, gradually long-tapering to the pointed tip, smooth.
Flowers:
Inflorescence of single small flowers on stalks in the axils of reduced upper leaves, the stalks stout, 1-2 cm long, without bractlets at the top; corollas tubular, 5-8 mm long, 2-lipped, the upper lip shallowly 2-lobed, the lower lip 3-lobed, the tube yellow, the lobes white sometimes pink-tinged; calyces 4-7 mm long, to 10 mm in fruit, the 5 distinct sepals more or less equal, lanceolate, long-pointed at the tip; fertile stamens 2.
Fruits:
Capsules, egg- to globe-shaped, 4-5 mm long; seeds numerous, oblong-egg-shaped, longitudinally ribbed with faint cross ridges.
Source: The Illustrated Flora of British Columbia
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