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Chinese Plant Names | Family List | Apocynaceae | Alstonia

Alstonia henryi Tsiang


Description from Flora of China

Alstonia sebusii (Van Heurck & Mueller-Argoviensis) Monachino var. szemaoensis Monachino.

Shrubs erect, to 3 m tall, glabrous except for flowers. Branchlets lenticellate. Leaves in whorls of 3 or 4; petiole to 1.2 cm; leaf blade very narrowly elliptic, 5-11 X 1-2.5 cm, papery, apex acuminate; lateral veins to 70 pairs, at 45-60° to midvein. Cymes 3-branched; peduncle 2-3 cm. Pedicel 0.8-1.2 cm. Calyx lobes ciliate. Corolla yellow; tube ca. 8 mm, dilated above middle, densely villous inside; lobes broadly ovate, ca. 2 mm. Disc lobes as long as ovary. Ovaries distinct. Fl. Jun.

* Montane forests; ca. 1500 m. S Yunnan (Simao).


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