General: Annual herb from fibrous roots; stems ascending to decumbent, 5-30 cm tall, simple or branched, finely glandular-hairy and clammy especially upward.
Leaves: Opposite, unstalked, lanceolate to narrowly egg-shaped, 10-40 mm long, entire or remotely toothed toward the tip, short-tapering to the pointed or blunt tip.
Flowers: Inflorescence of single small flowers on stalks in the axils of reduced upper leaves, the stalks slender, glandular-hairy, 1-2 cm long, with 2 bractlets at the top; corollas tubular, 7-10 mm long, 2-lipped, the upper lip merely shallowly notched, the lower lip 3-lobed, the tube yellow, the lobes white to lavender; calyces 3-7 mm long, the 5 nearly distinct sepals more or less equal, lanceolate, pointed at the tip but not sharply so, accompanied by the 2 bractlets, which are about the same size and shape as the sepals; fertile stamens 2.
Wet open muddy edges of lakes, ponds and streams and in shallow water in the lowland, steppe and lower montane zones; infrequent in SW BC, rare elsewhere in S BC; E to PQ and NS and S to ME, NY, PA, SC, AL, LA, TX, NM, AZ and CA.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. 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:
2020-09-18 12:12:34 AM
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