椭圆叶齿果草 tuo yuan ye chi guo cao

Polygala ciliata Linnaeus, Sp. Pl. 2: 701. 1753; Salomonia arnottiana Miquel; S. cavaleriei H. Léveillé; S. horneri Hasskarl; S. oblongifolia Candolle; S. rigida Hasskarl; S. sessilifolia D. Don; S. setosociliata Hasskarl; S. stricta Siebold & Zuccarini.

Herbs annual, erect, 10-20 cm tall. Stem slender, simple or few branched, longitudinally angular and sulcate, glabrous. Leaves sessile; leaf blade elliptic or ovate-lanceolate, 4-8 × 1-2.5 mm, membranous to thinly papery, glabrous, basally 3-veined, base subrounded, margin entire, rarely apex 1- or 2-ciliate, apex acute or acuminate. Spike 4-10 cm; bracts persistent at anthesis, linear, ca. 1 mm. Flowers sessile, small, ca. 2.5 mm. Sepals 5, persistent, connate at base, green, lanceolate-ovate, nearly equal, ca. 1.2 mm, apex acuminate, sparsely ciliate. Petals connate in lower 1/2, red-purple, 2-2.5 mm; keel longer than lateral petals. Filaments ca. 1.5 mm, united forming an open sheath, inside of sheath arachnoid, lower 1/2 of sheath adnate with petals. Ovary obcordate, ca. 0.75 mm in diam., margin filiform denticulate; style ca. 2 mm, median part thickened, cylindric; stigma capitate. Capsule reniform, ca. 2 mm in diam., apex retuse, margin 2-seriate filiform denticulate, carpel smooth, without reticulate striae, sometimes minutely hairy. Seeds 2, black, shiny, ovoid, ca. 1 mm in diam. Fl. Jul-Aug, fr. Aug-Sep.

Open and damp grasslands on mountain slopes; 600-1000 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangsu, Jiangxi, Taiwan, Yunnan, Zhejiang [Cambodia, India, Indonesia, Japan, Korea, Laos, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Australia].