Stems several, to 30 cm long, branched, silky, glabrescent. Leaves divaricately bipinnatipartite, ±flat but rather flexuose; petiole 2.5-5 cm long, glabrous except pubescent sheath; lamina 4-8 cm long, to 10 cm wide; ultimate lobes linear, tapering, 1.5-2.5 mm wide, acuminate, prominently pungent, ±flat, glabrous; reticulation fine, shallow. Spikes 2.5-7.5 cm long; flowers moderately crowded; peduncle 1-5 cm long, branched, shortly silky; rachis pubescent; bracts 2-2.5 mm long, acute to obtuse, puberulous with ciliate margins. Perianth opening narrowly, puberulous in lower half, glabrous above; adaxial tepal very convex, 5-5.2 mm long, 1.5-1.8 mm wide; abaxial tepal 3.5-3.6 mm long. Stigma transversely oblong-elliptic to trapeziform, broadly emarginate, flat, 0.7-0.8 mm long, 0.9 mm wide; ovary pubescent. Fruit not seen.
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