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FOC | Family List | FOC Vol. 13 | Araliaceae

19. Polyscias J. R. Forster & G. Forster, Char. Gen. Pl. 32. 1775.

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.


1 Leaves 3-5-pinnately compound.   2 P. fruticosa
+ Leaves 1- or 2-pinnately compound   (2)
       
2 (1) Flowers in heads, sessile; petiole with a short sheathing base, not clasping or alate.   4 P. nodosa
+ Flowers in umbels, distinctly pedicellate; petiole with an evident sheathing, alate base   (3)
       
3 (2) Leaflets 1-5, blades broadly elliptic to oblate or reniform, apex rounded, base shallowly cordate to convex (rarely rounded-truncate).   5 P. scutellaria
+ Leaflets 5-15, blades elliptic to oblong, base and apex obtuse to acute or acuminate   (4)
       
4 (3) Margins of leaflets entire to coarsely crenate.   1 P. cumingiana
+ Margins of leaflets sharply serrulate.   3 P. guilfoylei

Lower Taxa


 

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