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20. Heteropanax Seemann, Fl. Vit. 114. 1866.
幌伞枫属 huang san feng shu
Shrubs or trees, evergreen, andromonoecious, unarmed, stellate pubescent. Leaves 2-5-pinnately compound, margins entire; stipules inconspicuous. Inflorescence a terminal panicle of umbels, peduncles with a terminal umbel of bisexual flowers and usually 1 to several lateral umbels of male flowers; bracts and bracteoles persistent. Pedicels not articulate below ovary. Calyx rim minutely dentate. Petals 5, valvate. Stamens 5. Ovary 2-carpellate; styles 2, free or united to middle. Fruit a drupe, laterally compressed. Seed compressed, endosperm ruminate.
About eight species: S and SE Asia; six species (two endemic) in China.
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| 1 |
Fruit subglobose to weakly compressed laterally, 2-4 mm thick at maturity; leaves 3-5-pinnately compound |
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(2) |
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Fruit strongly compressed laterally, 1-1.5 mm thick at maturity; leaves 2-5-pinnately compound |
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(3) |
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| 2 (1) |
Styles connate to above middle, free arms divergent in fruit; leaflets narrowly elliptic, apex long acuminate to caudate. |
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1 H. hainanensis |
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Styles divided to base, free arms strongly recurved in fruit; leaflets elliptic (rarely narrowly elliptic), apex acute to shortly acuminate. |
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2 H. fragrans |
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| 3 (1) |
Pedicels 1.5-3.5(-4) mm in fruit |
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(4) |
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Pedicels 4-10 mm in fruit |
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(5) |
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| 4 (3) |
Leaves 2-pinnately compound, leaflets orbicular to ovate, base rounded. |
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3 H. yunnanensis |
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Leaves 3-5-pinnately compound, leaflets elliptic to narrowly elliptic, base narrowly acute to acuminate. |
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4 H. brevipedicellatus |
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| 5 (3) |
Leaves 2-pinnately compound, leaflets leathery, 8-11 × 3-6 cm. |
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5 H. nitentifolius |
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Leaves 3-5-pinnately compound, leaflets papery, 2-6 × 0.8-2 cm. |
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6 H. chinensis |
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Lower Taxa
| Related Links (opens in a new window) |
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Treatments in Other Floras @ www.efloras.org
Other Databases
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