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

17. Petrocosmea coerulea C. Y. Wu ex W. T. Wang, Acta Bot. Yunnan. 7: 60. 1985.

蓝石蝴蝶 lan shi hu die

Petiole 1.5-2.7 cm, densely appressed puberulent; leaf blade slightly oblique, oblong to elliptic or elliptic-ovate, 1-6.6 X 0.7-2.2 cm, densely appressed puberulent, base peltate, margin nearly entire to indistinctly few repand-crenate, apex slightly obtuse; lateral veins abaxially slightly impressed. Cymes 1-flowered; peduncle 1.5-2.2 cm, spreading puberulent; bracts linear, 1-1.2 mm. Pedicel 1-1.5 cm. Calyx actinomorphic, 5-sect from base; segments equal, lanceolate-linear, 3-3.2 X ca. 1 mm, outside puberulent. Corolla blue, outside puberulent, inside glabrous; tube ca. 4.5 mm; adaxial lip ca. 3.5 mm, distinctly 2-lobed; abaxial lip ca. 6 mm. Filaments ca. 1.2 mm, puberulent above; anthers cordate-ovoid, ca. 2.2 mm, beakless; staminodes 2. Pistil ca. 8 mm; ovary ca. 2.5 mm, puberulent. Style glabrous. Fruit unknown. Fl. Apr.

* Rocks in valleys; ca. 500 m. SE Yunnan (Jinping Xian).


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