Silene otodonta Franch.
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Description:Reference: Zhou L., Wu Z.-Y., Lidén, M. & Oxelman, B. (2001). Silene (110 spp.). In Wu Zhengyi & P. H. Raven (eds). Flora of China. 6: 66-100
Silene otodonta Franchet, Bull. Soc. Bot. France 33: 426. 1886. ∂˙≥›”¨◊”_ er chi ying zi cao Herbs perennial, eglandular pubescent. Roots clustered, cylindric. Stems diffuse, 30–70 cm, multibranched, shortly pubescent. Leaves with short, sterile axillary branches; leaf blade elliptic, 2–3 cm × 6–15 mm, both surfaces pubescent, ciliate, midvein prominent, base cuneate or attenuate into short petiole, apex acute. Inflorescence a thyrse, sometimes composed of two orders, cymules usually 5–7-flowered, dense. Pedicel 1–10(–20) mm, pubescent; bracts linear-lanceolate, herbaceous, blackish pointed, pubescent. Flowers ca. 1.5 cm in diam. Calyx tubular or narrowly campanulate, 1.2–1.5 cm × ca. 3.5 mm, pubescent, base umbilicate; calyx teeth blackish violet, ovate-lanceolate, ca. 3.5 mm, apex acuminate. Androgynophore ca. 2.5 mm, glabrous. Petals ca. 1.8 cm; claws included in calyx, oblanceolate, glabrous, with broad auricles; limbs pale red or white, ca. 7 mm, bifid to middle; lobes linear, with 1 narrow lateral tooth; coronal scales lanceolate, 1.5–2 mm, apex acute. Stamens and styles exserted; filaments glabrous. Styles 3. Capsule subovoid, 8–10 mm. Seeds reniform. Fl. Aug–Sep. • Forests; 2100–2500 m. Sichuan, Yunnan. Silene otodonta is easily distinguished from all other species by numerous lateral dichasia, forming a complex paniculate thyrse, and its acuminate flower buds, appearing pointed because of the protruding, blackish violet calyx teeth.
Comment: An eastern close relative in the S. adenocalyx/S. waltoni complex, with broader leaves, and long-pointed calyx teeth. Approaching S. viscidula and possibly S. phoenicodonta (which has much smaller flowers).
Superordinate taxon: Silene sect. Cucubaloideae Edgeworth & J.D. Hooker (ID: 818)