Herbs [shrubs], perennial. Stems trailing to ascending, stellate-hairy, not viscid. Leaves: stipules persistent, linear; blade oblong-ovate to oblong-lanceolate [orbiculate], unlobed, base shallowly cordate, margins crenate or serrate. Inflorescences axillary solitary flowers; involucel absent. Flowers: calyx accrescent, green-membranous and inflated in fruit, enclosing it, lobes overlapping, unribbed, cordate, stellate-pubescent; corollas yellow, [with] without dark spot at base; staminal column included; style 8–10[–14]-branched; stigmas capitate. Fruits schizocarps, pendulous, somewhat inflated, oblate, indurate, glabrous; mericarps 8–10[–14], 1-celled, each with long, horizontal, obtuse rostrum, lateral walls reticulate, indehiscent. Seeds 1 per mericarp, puberulent. x = 8.
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