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FOC | Family List | FOC Vol. 16 | Apocynaceae | Aganosma

3. Aganosma siamensis Craib, Bull. Misc. Inform. Kew. 1915: 433. 1915.

广西香花藤 guang xi xiang hua teng

Aganosma kwangsiensis Tsiang.

Lianas to 10 m. Juvenile branchlets and inflorescences pubescent. Petiole 1-1.5 cm; leaf blade dark green adaxially, greenish abaxially, elliptic or narrowly so, 5-10(-15) X 1.7-5(-6.7) cm, papery, glabrescent, base obtuse, apex acute or acuminate; lateral veins (6 or) 7-10 pairs, obliquely ascending, flattened abaxially. Cymes terminal, ca. 10 cm, 9-15-flowered. Pedicel 0.5-1.6 cm. Calyx with several basal glands inside margin of sepals; sepals unequal, sublinear, 1.5-2(-2.8) cm, longer than corolla tube. Corolla white, tube 7-12 mm, dilated at base, pubescent on both surfaces; lobes oblong, falcate, 2.4-3.5 cm. Stamens inserted at base of corolla tube. Ovary pubescent. Style short; pistil head conical. Follicles ca. 14 cm X 7 mm, appressed strigillose. Fl. May-Jun.

Dense montane forests, moist sparse woods; 300-1500 m. Guangxi, Guizhou, Yunnan [Thailand].


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