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

18. Petrocosmea iodioides Hemsley, Hooker's Icon. Pl. 26: pl. 2599. 1899.

蒙自石蝴蝶 meng zi shi hu die

Petiole 2-6(-8) cm, matted hirsute; leaf blade ovate to nearly orbicular, 1.5-3.8(-4.9) X 1-4.5 cm, adaxially hirsute, abaxially velutinous, base cordate, margin denticulate to crenulate or serrate, apex broadly acute; lateral veins abaxially conspicuous. Cymes (1 or)2-4-flowered; peduncle 4-7.5 cm, pubescent; bracts linear, 2.5-4 mm. Pedicel 0.4-1.6 cm. Calyx actinomorphic, 5-sect from base; segments equal, narrowly lanceolate, 5-7 X 1-1.2 mm, outside villous. Corolla blue-purple, outside sparsely puberulent, inside glabrous; tube ca. 6.5 mm; adaxial lip ca. 3 mm, indistinctly 2-lobed; abaxial lip ca. 1.2 cm. Filaments 2.2-2.5 mm, puberulent; anthers ellipsoid, ca. 3 mm, beakless; staminodes 2. Pistil ca. 9 mm; ovary 2-2.5 mm, densely puberulent. Style glabrous. Capsule 7-11 mm. Fl. May, Nov, fr. Nov.

* Forests, on shaded cliffs in hilly regions; 1100-2500 m. SW Guangxi, SE Yunnan (Mengzi Xian).


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