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2. Perrottetia Kunth in Humboldt et al., Nov. Gen. Sp. 7, ed. 4°: 73; ed. f°: 57. 1824.
核子木属 he zi mu shu
Shrubs or small trees, dioecious, deciduous. Branchlets smooth, usually slightly zigzagged. Stipules small, caducous. Leaf blade margin sharply serrulate, crenate, or subentire. Inflorescence a raceme or panicle of thyrses. Flowers usually 4- or 5-merous. Male flowers: stamens inserted on disk margin; filament subulate; anther subglobose or ellipsoid. Female flowers: disk cup- or ring-shaped; ovary semi-immersed in disk, mostly 2-loculed; ovules 2 per locule, basally attached, erect. Fruit a ± dry berry, subglobose or depressed globose, 2-4-seeded. Seeds subglobose, erect; aril thin.
About 15 species: tropical America, NE Australia, China, Indonesia, Malaysia, New Guinea, Pacific islands, Philippines; two species (both endemic) in China.
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Inflorescences thyrses in a raceme; flowers 4- or 5-merous; stamens exserted from perianth; capsule apex rounded. |
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1 P. racemosa |
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Inflorescences thyrses in a panicle; flowers most 4-merous; stamens included in perianth; capsule apex emarginate. |
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2 P. arisanensis |
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Lower Taxa
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