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FOC | Family List | FOC Vol. 13 | Araliaceae

17. Macropanax Miquel, Bonplandia (Hannover). 4: 139. 1856.

大参属 da shen shu

Trees or shrubs, evergreen, hermaphroditic (?or functionally andromonoecious), unarmed. Leaves simple, palmately lobed, or palmately compound and leaflets 3-7, margin entire or serrate; stipules absent or connate into a short lamina within petiole or absent. Inflorescence a terminal panicle of umbels; secondary axes with a terminal umbel of bisexual flowers, sometimes also with lateral umbels of smaller, later flowering (?functionally male) flowers; bracts small, caducous. Pedicels articulate below ovary, often minutely bracteolate. Calyx entire or 5-toothed. Petals 5, valvate. Stamens 5. Ovary 2(or 3)-carpellate; styles united into a column or partially free apically. Fruit a drupe, subglobose or ovoid, sometimes laterally compressed (especially when dry). Seeds semiterete or laterally compressed; endosperm uniform, ruminate or rugose.

About 20 species: S and SE Asia; seven species (five endemic) in China.

1 Styles united to ca. 3/4 their length, branches free apically.   1 M. rosthornii
+ Styles united throughout, forming an unbranched column, stigmas sessile   (2)
2 (1) Inflorescence glabrous throughout (occasionally pubescent in M. undulatus when young, but then leaflets with entire margins)   (3)
+ Inflorescence densely shortly pubescent throughout   (4)
3 (2) Mature fruit 8-9 mm in diam.; calyx teeth and stamens 7-10.   6 M. decandrus
+ Mature fruit 5-6 mm in diam.; calyx teeth and stamens 5(or 6).   7 M. undulatus
4 (2) Stems and calyx pubescent; leaflets with 4-6 pairs of secondary veins.   5 M. paucinervis
+ Stems and calyx glabrous; leaflets with 6-10 pairs of secondary veins   (5)
5 (4) Terminal leaflet elliptic, ca. 2 × as long as wide, base rounded to broadly cuneate; petiole 3-7 cm.   2 M. chienii
+ Terminal leaflet narrowly elliptic or oblong to slightly obovate, 2.4-4 × as long as wide, base narrowly acute to cuneate; petiole (8-)10-17 cm   (6)
6 (5) Leaflets (3-)5(-7); fruit ellipsoid to oblong, height greater than diam..   3 M. dispermus
+ Leaflets 3 or 4; fruit broadly ovoid, height not greater than diam..   4 M. serratifolius

Lower Taxa


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