13. Skimmia Thunberg, Nov. Gen. Pl. 3: 57. 1783.
茵芋属 yin yu shu
Authors: Prof. Dianxiang Zhang & Thomas G. Hartley
Shrubs or trees, evergreen, usually dioecious or monoclinous, unarmed. Leaves alternate, simple. Inflorescences terminal, thyrsiform. Sepals (3 or)4 or 5(-7), distinct or basally connate. Petals (3 or)4 or 5(-7), imbricate in bud. Stamens (3 or)4 or 5(-7), distinct, rudimentary in female flowers. Disk annular or pulvinate. Gynoecium 2-5-loculed, syncarpous, rudimentary in male flowers; ovules 1(or ?2) per locule; style short or ± as long as ovary. Fruit a fleshy drupaceous berry, with 1-5 1-seeded leathery pyrenes. Seeds ovoid to ellipsoid; seed coat membranous; endosperm copious; embryo straight; cotyledons oblong to suborbicular, flattened; hypocotyl superior.
Five to six species: E, S, and SE Asia; five species (one endemic) in China.
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1 |
Leaf blade midvein puberulent |
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(2) |
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Leaf blade midvein glabrous |
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(3) |
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2 (1) |
Fruit red. |
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1 S. reevesiana |
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Fruit bluish black. |
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2 S. melanocarpa |
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3 (1) |
Leaf blade secondary veins 12-20 on each side of midvein; rudimentary gynoecium in male flowers entire or nearly so; petals reflexed. |
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5 S. multinervia |
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Leaf blade secondary veins fewer than 10 on each side of midvein; rudimentary gynoecium in male flowers 3- or 4-lobed; petals erect to spreading |
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(4) |
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4 (3) |
Shrubs to 2 m tall; fruit red. |
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3 S. laureola |
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Trees to 12 m tall; fruit bluish black. |
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4 S. arborescens |
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Lower Taxa