Trichostema oblongum Benth.
mountain blue-curls (oblong bluecurls)
Lamiaceae (Mint family)

Introduction to Vascular Plants


© Curtis Bjork     (Photo ID #21991)


E-Flora BC Static Map

Distribution of Trichostema oblongum
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Species Information

Annual herb from a taproot; stems 10-50 cm tall, simple or branched especially below, hairy, sometimes glandular, 4-angled.
Opposite, broadly elliptic, 1.5-5 cm long, 5-20 mm wide, length less than 4X width, tips rounded to somewhat pointed; stalks less than 5 mm long.
Inflorescence of short, one-sided, axillary clusters; corollas tubular, blue, the tube 2-3.5 mm long, curved gradually upward, 5-lobed, the lowest 2-3.5 mm long, the other 4 about equal and slightly more than 1/2 as long as the lowest; calyces 1.5-3 mm long, the teeth about equal, more than twice the length of tube, hairy, long-pointed.
Nutlets, 4, joined in lower 1/3, irregularly ridged.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Moist to wet seepage slopes and disturbed areas in the lower montane zone; rare in SE BC, known only from the Castlegar area; S to NV and CA.

SourceThe Illustrated Flora of British Columbia