Herbs, to 1 m. Stems erect, stellate-hairy, hairs 0.1–0.3 mm. Leaves: petiole subequal to blade proximally, shorter distally, with stellate hairs 0.1–0.3 mm; blade concolorous, ovate to hastate, narrowly so upward, 3–9 cm, membranous, base truncate, margins coarsely crenate-dentate, apex acute, surfaces minutely and obscurely stellate-hairy, hairs simple, bifurcate adaxially. Inflorescences racemes or panicles. Pedicels 2–7 cm. Flowers: calyx 3–7 mm, accrescent to 6–8 mm, lobes without dark midrib, apex acute, densely tomentose; petals pale yellow, not fading reddish, 6–8 mm, ciliate on claw; staminal column glabrous or with few apical hairs; style 10–13-branched; stigmas glabrous. Schizocarps 7–9 mm diam., densely hairy; mericarps 10–13, with dorsal spur 1–2 mm. Seeds enclosed in endocarp. 2n = 60.
Home