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

6. Briggsia aurantiaca B. L. Burtt, Notes Roy. Bot. Gard. Edinburgh. 21: 237. 1955.

黄花粗筒苣苔 huang hua cu tong ju tai

Plants stemless. Petiole 1.5-4 cm, densely rust-brown woolly and villous; leaf blade elliptic to ovate or obovate, rarely subrhombic, 2-12 X 1.3-5.5 cm, adaxially densely rust-brown villous, abaxially densely rust-brown woolly and villous, base cuneate, margin irregularly crenate to serrate, apex obtuse to acute; lateral veins 5-7 on each side of midrib, conspicuous on both surfaces. Cymes 1-8-flowered; peduncle (3-)6-13 cm, densely rust-brown villous; bracts 2, linear to narrowly triangular, 3-6 X 0.5-1.5 mm, outside rust-brown villous, inside glabrous, margin entire. Calyx segments lanceolate to ovate, 3-3.5 X 1-1.5 mm; tube rust-brown villous, margin entire, veins indistinct. Corolla orange to yellow, inside abaxial lip purple-red to pink, orange, or brown spotted, 1.8-2.5 cm, outside sparsely pubescent, inside glabrous; tube 1.2-1.9 X 0.9-1.4 cm; adaxial lip ca. 4 mm, lobes semiorbicular, ca. 2 X 2 mm, apex rounded; abaxial lip 7-10 mm, lobes oblong, 3-4 X ca. 3 mm, apex obtuse. Adaxial stamens adnate to corolla ca. 4 mm above base, ca. 1 cm, abaxial ones adnate to corolla ca. 2 mm above base, ca. 1.3 cm; filaments glabrous; anthers reniform, thecae not confluent; staminode ca. 0.4 mm. Pistil 1.5-1.8 cm, glabrous. Style 2-4.5 mm. Capsule 2.8-4.3 cm, glabrous. Fl. and fr. Jun-Jul.

* Rock crevices; 2800-3700 m. SE Xizang.


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