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FOC | Family List | FOC Vol. 13 | Dipterocarpaceae | Dipterocarpus

2. Dipterocarpus turbinatus C. F. Gaertner, Suppl. Carp. 51. 1805.

羯布罗香 jie bu luo xiang

Dipterocarpus jourdainii Pierre; D. laevis Buchanan- Hamilton; D. turbinatus C. F. Gaertner var. ramipiliferus Y. K. Yang & J. K. Wu.

Trees, lofty, ca. 35 m tall. Bark gray or dark brown, shallowly longitudinally fissured and flaky. Branchlets glabrescent; leaf buds falcate, buds and young twigs densely gray puberulous. Stipules 2-6 cm, densely, shortly dark grayish or dark yellow puberulous; petiole 2-3 cm, densely gray puberulous or glabrescent; leaf blade ovate-oblong, 20-30 × 8-13 cm, leathery, glabrous or sparsely stellate pubescent, lateral veins 15-20 pairs conspicuously raised abaxially, base rounded or somewhat cordate, margin entire or sometimes sinuate, apex acuminate or acute. Racemes axillary, 3-6-flowered. Calyx segments: 2 linear, 3 shorter, all glabrous, outside glaucous. Stamens ca. 30; anthers linear-lanceolate; connective appendages filiform. Ovary densely pubescent; style terete, silvery gray tomentose on lower half. Nut ovoid or narrowly ovoid, densely appressed tomentose; calyx tube to 2.8 cm in diam., glabrous, glaucous; winglike calyx segments linear-lanceolate, 12-15 × ca. 3 cm, glabrous, minutely papillate near much-ramified solitary midvein. Fl. Mar-Apr, fr. Jun-Jul.

S and W Yunnan (cultivated) [native to Bangladesh, Cambodia, India, Laos, Myanmar, Thailand, Vietnam].

This tree provides a source of balsam.


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