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19. Polyscias J. R. Forster & G. Forster, Char. Gen. 63, Pl. 32. 1776.
南洋参属 nan yang shen shu
Nothopanax Miquel.
Shrubs or trees, evergreen, hermaphroditic, andromonoecious or dioecious, unarmed, often glabrous, some with sharply aromatic herbage. Leaves 1-5-pinnately compound, margins entire to crenate or serrate; stipules sometimes intrapetiolar and adnate to inside of petiole or absent. Inflorescence a terminal panicle of umbels, heads or spikes, sometimes with a terminal umbel of bisexual flowers and 1 to several lateral umbels of male flowers. Pedicel articulate below ovary. Calyx undulate or with 4 or 5(-8 or more) small lobes. Petals 4 or 5(-8 or more), valvate. Stamens as many as petals. Ovary 4 or 5(-8 or more) carpellate; styles free or rarely connate at base. Fruit a drupe, terete or laterally flattened. Seeds compressed, endosperm smooth.
About 150 species: paleotropical; five species (all introduced and cultivated) in S China.
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| 1 |
Leaves 3-5-pinnately compound. |
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2 P. fruticosa |
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Leaves 1- or 2-pinnately compound |
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(2) |
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| 2 (1) |
Flowers in heads, sessile; petiole with a short sheathing base, not clasping or alate. |
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4 P. nodosa |
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Flowers in umbels, distinctly pedicellate; petiole with an evident sheathing, alate base |
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(3) |
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| 3 (2) |
Leaflets 1-5, blades broadly elliptic to oblate or reniform, apex rounded, base shallowly cordate to convex (rarely rounded-truncate). |
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5 P. scutellaria |
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Leaflets 5-15, blades elliptic to oblong, base and apex obtuse to acute or acuminate |
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(4) |
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| 4 (3) |
Margins of leaflets entire to coarsely crenate. |
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1 P. cumingiana |
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Margins of leaflets sharply serrulate. |
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3 P. guilfoylei |
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Lower Taxa
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