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FOC | Family List | FOC Vol. 8 | Saxifragaceae | Tanakaea

1. Tanakaea radicans Franchet & Savatier, Enum. Pl. Jap. 2: 352. 1878.

峨屏草 e ping cao

Tanakaea omeiensis Nakai; T. omeiensis var. nanchuanensis W. T. Wang.

Herbs 6.5-12.5 cm tall. Rhizomes transversely elongate, ca. 2 mm in diam. Leaves all basal; petiole 1.1-6.5 cm, dark brown villous, sometimes hairs glandular tipped; leaf blade abaxially pale green, adaxially bright green, ovate to broadly so or elliptic, 1.1-3 × 0.8-2.9 cm, subleathery, both surfaces brown glandular hairy (sometimes hairs glandular tipped), base rounded or subcordate, margin serrate, apex acute. Inflorescence cymose, dense, 2.8-3.5 cm, brown glandular villous. Flowers whitish, small, apetalous. Sepals narrowly ovate to lanceolate, 1.5-1.9 × 0.4-0.6 mm, glabrous except margin sparsely glandular hairy, 1-veined, apex acute. Filaments 3.3-3.5 mm. Carpels ca. 4 mm, connate proximally; ovary very shallowly subsuperior, appearing almost superior; styles 2. Capsule ca. 4 mm; carpels divergent. Fl. Apr-Oct. 2n = 14*.

Wet shaded rocks. S Sichuan (Emei Xian, Nanchuan Xian, Pingshan Xian) [Japan].


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