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Chinese Plant Names | Family List | Apocynaceae | Alstonia

1. Alstonia rostrata C. E. C. Fischer, Bull. Misc. Inform. Kew. 1929: 315. 1929.

盆架树 pen jia shu

Description from Flora of China

Alstonia glaucescens (Wallich ex G. Don) Monachino; Alstonia pachycarpa Merrill & Chun; Alyxia glaucescens Wallich ex G. Don, not Wallich; Winchia calophylla A. de Candolle, not Alstonia calophylla Miquel; W. glaucescens (Wallich ex G. Don) K. Schumann.

Trees evergreen, glabrous, to 30 m tall. Branches greenish, angled when young. Leaves in whorls of 3 or 4, rarely opposite; petiole 1-2 cm; leaf blade narrowly elliptic, 7-20 X 2.5-4.5 cm, thick papery, lustrous adaxially, paler abaxially, apex caudate or acuminate; lateral veins 20-50 pairs, at 80-90° to midvein. Cymes glabrous, ca. 4 cm; peduncle 1.5-3 cm. Pedicel to 3 mm. Corolla white, pubescent, tube 5-6 mm; lobes broadly ovate, 3-4 mm, overlapping to left. Disc absent. Ovaries connate. Follicles connate, 18-35 X 1-1.2 cm. Seeds narrowly elliptic; cilia brown-yellow, to 2 cm. Fl. Apr-Jul, fr. Aug-Dec.

The wood is used for making furniture and stationery, and the leaves and bark are used to treat acute bronchitis.

Monsoon or montane rain forests; 300-1100 m. Hainan, S Yunnan [India, Indonesia, Malaysia, Myanmar, Thailand]


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