General:
Perennial herb from thick, deep taproot; finely glandular-hairy throughout, including flowers and fruits; stems trailing, to 2 m long; branches short, forming dense mat.
Leaves:
Opposite, thick and fleshy, broadly egg-shaped to kidney-shaped, 1.5-5 cm long, over half as wide; stalks 1-6 cm long.
Flowers:
Inflorescence of many-flowered (17-34), rounded heads, on stout flower stalks 1-6 cm long; bracts in a whorl, usually 5, lance-egg-shaped to broadly elliptic; perianth tube greenish-yellow and 8-10 mm long, widely-flaring into 5-lobed limb 5-7 mm wide, bright yellow or somewhat orange.
Fruits:
Achenes, 8-12 mm long, with 4-5 keel-like wings, narrowing at each end, net-veined.
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