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Chinese Plant Names | Family List | Gesneriaceae | Briggsia

Briggsia rosthornii (Diels) Burtt


Description from Flora of China

Plants stemless. Petiole 1-8(-13) cm, densely rust-brown to yellowish villous; leaf blade ovate to lanceolate, rarely elliptic, 2-13 X 1.2-7 cm, white pubescent, abaxially rust-brown villous along veins, base sometimes oblique, cordate to cuneate, margin crenate to serrate, sometimes double so, apex obtuse to acute; lateral veins 3-7 on each side of midrib, conspicuous. Cymes 1-4(-8)-flowered; peduncle 3.5-20 cm, rust-brown glandular villous; bracts 2, lanceolate to linear, 2-7 X 1-3 mm, outside rust-brown villous, inside glabrous, margin entire. Calyx segments lanceolate, rarely elliptic to obovate or lobed, 3-9 X 1.2-3 mm, outside villous, margin entire, obscurely 3-5-veined. Corolla white to pale pink, purple, or purple-red, inside deep red or purple-red spotted, 2.8-5 cm, outside sparsely pubescent, inside sparsely pubescent; tube 2.3-3.3 X 1-2 cm; adaxial lip 4-8 mm, lobes semiorbicular to narrowly lanceolate, 1-6 X (1-)2-6 mm, apex obtuse; abaxial lip 1.1-2 cm, lobes oblong, 7-9 X 5-8 mm, apex obtuse. Adaxial stamens adnate to corolla ca. 4 mm above base, 1-1.5 cm, abaxial ones adnate to corolla 4-5 mm above base, 1.4-2 cm; filaments pubescent; anthers reniform, thecae confluent; staminode 1-2.2 mm. Pistil ca. 2 cm, glandular puberulent. Style 2-5 mm. Capsule 5-6.5 cm, sparsely puberulent to glabrescent. Fl. Aug-Sep, fr. Sep-Oct.

* Shady, damp rocks under bamboo forests; 1000-2300 m. Guizhou, Hubei, Sichuan, Yunnan.


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