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FOC | Family List | FOC Vol. 18 | Gesneriaceae | Ancylostemon

9. Ancylostemon saxatilis (Hemsley) Craib, Notes Roy. Bot. Gard. Edinburgh. 11: 266. 1919.

直瓣苣苔 zhi ban ju tai

Didissandra saxatilis Hemsley, J. Linn. Soc., Bot. 26: 227. 1890; Didymocarpus saxatilis (Hemsley) H. Léveillé.

Petiole to 6(-10) cm, densely brown villous; leaf blade lanceolate to broadly ovate or oblong, 2.5-9 X 1.5-5.5 cm, adaxially densely white puberulent and sparsely rust-brown villous, abaxially white puberulent and pubescent, rust-brown villous along veins, base often oblique, cordate to cuneate, margin coarsely dentate-serrate or crenate to nearly lobulate; lateral veins 4-7 on each side of midrib, conspicuous. Peduncle 4-11 cm, brown villous and pale brown puberulent; bracts narrowly oblong to lanceolate or oblanceolate, 3-8 X 1.5-3 mm, brown villous and pubescent. Calyx 4-7 mm, 5-lobed from below to near middle, rarely 5-sect from near base; lobes ovate to lanceolate, 2-3 mm, outside sparsely puberulent and rust-brown villous to glabrescent, margin dentate, rarely subentire. Corolla yellow, 1.9-3.5 cm; limb 2-lipped; adaxial lip rounded, 1-3 X 1-3 mm, emarginate; abaxial lip ca. 10 X 8 mm, central lobe ovate-orbicular, 4.5-10 X 3-6.5 mm, lateral lobes broadly ovate, 4-6 X ca. 3 mm. Stamens included, 4-8 mm; filaments glabrous to puberulent; staminode ca. 4 mm. Disc 1-1.5 mm, 5-lobed. Pistil 1.5-2.2 cm, pubescent. Capsule (2-)3-5(-7) cm. Fl. Jun-Aug, fr. Jul-Aug.

* Shady, damp rocks in forests; 1600-3100 m. S Gansu, NW Hubei, SE Sichuan.


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