|
|
|
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
| Related Links (opens in a new window) |
|
Treatments in Other Floras @ www.efloras.org
Other Databases
|
|
|
|
|
|
|
|
|
