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FOC | Family List | FOC Vol. 14 | Mastixiaceae

1. Mastixia Blume, Bijdr. Fl. Ned. Ind. 13: 654. 1826.

单室茱萸属 dan shi zhu yu shu

Xiang Qiuyun (向秋云 Jenny Xiang); David E. Boufford

Trees evergreen. Branchlets terete or ridged. Leaves oblong-elliptic, ovate, or narrowly obovate, leathery to thickly papery. Flowers pedicellate; bracteoles 2, at base of pedicel. Calyx campanulate, thick; lobes 4 or 5(–7), persistent. Petals 4 or 5(or 6), ovate, leathery, valvate, apex inflexed. Stamens 4, 5, 6, or 8; filaments subulate, short, flattened. Style often persistent, conical, short; disk circular, slightly 4- or 5-lobed. Drupes ovoid, oblong-globose, or narrowly ovoid; stone of fruit woody, with longitudinal grooves; seed coat white, membranous. 2n = 22, 26.

About 25 species: Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Papua New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Pacific Islands (Solomon Islands); three species (two endemic) in China.

1 Flowers 5-merous; inflorescences slightly pubescent or nearly glabrous.   1 Mastixia pentandra
+ Flowers 4-merous; inflorescences densely pubescent or glabrous.   (2)
2 (1) Branches and leaves alternate, densely pubescent with gray-brown trichomes; inflorescences densely pubescent with dark brown or yellow brown trichomes; leaf blade broadly elliptic or oblong, 14–20 × 5–7 cm, apex acute.   2 Mastixia trichophylla
+ Branches and leaves opposite, glabrous; inflorescence glabrous; leaf blade elliptic or oblong, smaller, 8–13 × 2.5–6 cm, apex caudate.   3 Mastixia caudatilimba

Lower Taxa


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