General:
Small annual herb from a taproot; stems decumbent to erect, 5-25 cm tall, simple or more often freely branched, nearly smooth to minutely hairy.

Leaves:
Opposite, stalked, broadly egg- to diamond-shaped, 1-4 cm long, irregularly toothed, yellowish-green, smooth, obscurely 3- to 5-veined from the base; the stalks at least as long as the blades.

Flowers:
Inflorescence of few to several long-stalked flowers in the axils of the leaves, the stalks slender, 7-25 mm long, usually longer than the subtending leaves, spreading to ascending; corollas tubular funnel-shaped, 7-14 mm long, yellow with a large reddish blotch within at the base of the lower lip, smooth, 2-lipped, the upper lip with 2 erect lobes, the lower lip 3-lobed, the middle lobe spreading to deflexed and nearly twice as long as the lateral lobes; calyces 4-7 mm long, smooth or minutely hairy, 5-toothed, the 2 lower teeth rounded and longer than the 3 tiny, sharply triangular, upper teeth; stamens 4, smooth.

Fruits:
Capsules, oblong, pointy-tipped, 5-7 mm long; seeds numerous.

Source:  The 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.

Illustration Source:  The Illustrated Flora of British Columbia

Synonyms and Alternate Names:
Mimulus alsinoides Douglas ex Benth.