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(Last Modified On 7/19/2013)
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(Last Modified On 7/19/2013)
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Genus
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Buxus L.
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PlaceOfPublication
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Sp. P1. 983. 1753
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Note
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TYPE: B. sempervirens L.
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Synonym
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Crantzia Swartz, Prodr. Veg. Ind. Occ. 3: 38. 1788, non Scopoli, 1777, Gesneriaceae, nom. rejic. against Alloplectus Mart. TYPE: C. laevigata Swartz = Buxus laevigata (Swartz) Spreng. Tricera Schreb., Gen. PI. 630. 1791 (trim. 2). TYPE: T. laevigata (Swartz) Swartz = Buxus laevigata (Swartz) Spreng. Notobuxus Oliv., Hooker's Icon. PI. 14: 78, tab. 1400. 1882. TYPE: N. natalensis Oliv. Macropodandra Gilg., Bot. Jahrb. Syst. 28: 114. 1899. TYPE: M. acuminata Gilg.
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Description
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Monoecious shrubs or small trees. Leaves opposite, entire, coriaceous. In- florescences axillary, racemose, congested, bracteate, usually with a single terminal female flower and several to many lateral male flowers. Flowers apetalous; male flowers with 4 sepals, the stamens 4-6, opposite the sepals, the filaments exserted, the anthers dorsifixed near the base; female flowers with 4-6 sepals, the ovary 3-locular with 3 distinct styles and 2 ovules per locule. Fruit a capsule, 3-parted, apically 3-horned from the persistent styles; seeds oblong, black.
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Habit
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shrubs or small trees
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Distribution
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Buxus includes about 70 species, mostly in the West Indies (sect. Tricera, primarily in Cuba and Jamaica, 33 species) and Eurasia (sect. Buxus); 10 species occur in Africa, (sect. Buxella and Notobuxus). Four species occur in Mexico, adjacent Guatemala, and Belize.
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Note
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Attempts to segregate the New World species as Tricera, characterized chiefly by the elongate style, are unjustified. African Notobuxus, separated by sessile anthers and lack of a rudimentary ovary in male flowers, also seems best referred to Buxus following Hutchinson (1967).
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