Arizona Anoda

Description

Herbs, 1 m. Stems erect, with minute stellate and glandular hairs, hairs to 0.2 mm. Leaves: petiole 1/2 to equaling blade, with minute stellate and glandular hairs (hairs to 0.2 mm); blade concolorous, sometimes with purple blotch along midvein, ovate-cordate to hastately 3-lobed at base (distally unlobed) or narrowly triangular, 5-8 cm (often smaller), membranous, base cordate to truncate, margins subentire, apex acute, surfaces minutely hairy, hairs usually stellate. Inflorescences usually racemes or panicles. Pedicels 1-3 cm. Flowers: calyx 3.5-6 mm, accrescent to 6-8 mm, lobes without dark midrib, apex acute, stellate-hairy; petals bluish lavender (darker at base), 4-7 mm; staminal column stellate-hairy; style 6-8-branched; stigmas glabrous. Schizocarps 6-8 mm diam., minutely hairy; mericarps 6-8, with dorsal spur to 1 mm. Seeds with endocarp absent or incomplete. 2n = 26, 28.