戟叶酸模 ji ye suan mo

Rumex dissectus H. Léveillé.

Shrubs ?polygamous, 50-90 cm tall. Branches purple-brown, finely grooved; branchlets green, glabrous. Leaves solitary or fascicled; petiole 1.5-3.5 cm; leaf blade hastate, 1.5-3 cm × 1.5-2 mm, subleathery, central lobe linear or narrowly triangular, apex acute, basal lobes curved; ocrea fugacious, membranous. Inflorescence terminal, paniculate, lax. Pedicel slender, articulate below middle. Male flowers: tepals nearly uniform. Female flowers: outer tepals elliptic, reflexed in fruit; inner tepals enlarged in fruit; valves pinkish, orbicular or reniform, membranous, nearly pellucid, with small tubercle at base, base deeply cordate, margin nearly entire, apex obtuse or retuse. Achenes brown, shiny, ovoid, trigonous, ca. 2 mm. Fl. Apr-May, fr. May-Jun.

Dry mountain slopes, rocky fissures; 600-3200 m. ?Guizhou, Sichuan, SE Xizang, Yunnan [Afghanistan, India, Kashmir, Nepal, Pakistan].