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FOC | Family List | FOC Vol. 11 | Burseraceae

1. Protium N. L. Burman, Fl. Indica. 88. 1768.

马蹄果属 ma ti guo shu

Small trees. Branchlet pith without vascular strands. Leaves odd-pinnate, alternate, exstipulate; leaflets with petiolule, apex cuspidate. Flowers in axillary or terminal panicles, unisexual, bisexual, or polygamous. Calyx cupular or campanulate, shallowly 4- or 5-lobed, lobes imbricate in bud, recurved, persistent but not enlarged in fruit. Petals 5, valvate, apex incurved in bud, later recurved. Stamens as many as or 2 × as many as petals or more, distinct, inserted outside of disk, reduced in females but probably fertile; disk fleshy and thick, glabrous, flattened in male flowers, annular or cupular in female or bisexual flowers, grooved; filaments glabrous. Ovary 4- or 5-celled, glabrous or pubescent, globose or ovoid, reduced in male flowers; ovules 2 in each cell; style short or long; stigma capitate or shallowly 4- or 5-lobed. Drupe globose, ovoid, or somewhat compressed, apex with rudiment of style; pyrenes 4 or 5 (some often degenerated), rarely 1 or 2, bony with thin coat; cotyledons folded, palmate.

About 90 species: mostly in tropical America, the rest scattered in all parts of tropical Asia; two species (one endemic) in China.

1 Rachis, leaflets, and inflorescences densely yellow pubescent; drupe ca. 1 cm in diam..   1 P. serratum
+ Rachis, leaflets, and inflorescences sparsely shortly pubescent; drupe 1.5-2 cm in diam..   2 P. yunnanense

Lower Taxa


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