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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.
Source: The Illustrated Flora of British Columbia
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