Fabaceae
豆科
特徵描述
[ Leguminosae 豆科 ]
作者
HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI
型態特徵
Herbs, shrubs, or trees. Leaves stipulate and usually alternate, pinnate or digitately compound, or simple, sometimes with the rachis ending in a tendril. Inflorescence variable, axillary, leaf-opposed or terminal, mostly pseudoracemose or panicled, bracts and bracteoles usually both present; flowers usually irregular, hermaphroditic, rarely regular or polygamous; sepals 4–5, connate or free, often unequal, sometimes combined into 2 lips; petals 5, rarely fewer by reduction, usually free and unequal; stamens normally 10, perigynous or hypogynous, rarely fewer or indefinite; filaments free or variously connate; anthers 2-celled, generally longitudinally dehiscent; ovary free; style simple, cylindrical, usually declinate, stigma capitate, terminal or oblique; ovules one or more on the ventral suture. Fruit usually a dry, dehiscent legume, typically dehiscent by one or both sutures into two valves, or indehiscent, sometimes jointed and separating into 1-seeded joints. Seeds usually exalbuminous; cotyledons foliaceous or amygdaloid, with a straight or inflexed acumbent radicle.
屬
Genera about 650, species over 18,000, cosmopolitan. About 60 genera and 170 species in Taiwan.
參考文獻
- Huang, S. F. & T. C. Huang. 1987. Taiwania 32(1): 11-118.
- Huang, T. C. et al. 1992. Taiwania 36(4): 318-395.
- Li, H. L. 1963. Livingston Publ. Comp. Pennsylvania 329-362.
- Liu, T. S. 1960. College of Agriculture, National Taiwan University, Taipei. (1): 483-551.
- Ohashi, H. et al. 1984. The science reports of the Tohoku Imperial University. Fourth Series, Biology (38): 277-334. (Sci. Rep. Tohoku Univ. 4. Biol.)
- Ohashi, H. et al. 1985. The science reports of the Tohoku Imperial University. Fourth Series, Biology (39): 53-66. (Sci. Rep. Tohoku Univ. 4. Biol.)
- Ohashi, H. et al. 1988. The science reports of the Tohoku Imperial University. Fourth Series, Biology (39): 191-248. (Sci. Rep. Tohoku Univ. 4. Biol.)
- Ohashi, H. et al. 1991. The science reports of the Tohoku Imperial University. Fourth Series, Biology (40): 1-37. (Sci. Rep. Tohoku Univ. 4. Biol.)
- HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI. 1993. Flora of Taiwan, second edition 3: 160. (Fl. Taiwan 2nd edit.)
Caesalpinia 蘇木屬
作者
HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI
型態特徵
Erect trees, shrubs or woody pricikly climbers. Leaves stipulate, pinnate, stipellate. Flowers showy, yellow, in copious axillary racemes; calyx deeply cleft, with the disc confined to its base, the lobes imbricated, the lowest the largest, cucullate; petals spreading, usually orbicular, with a distincty claw, the uppermost smaller than the others; stamens 10, free, declinate; anthers oblong, uniform, versatile; ovary sessile or subsessile, few-ovuled; style filiform, sometimes clubbed at the tip, the stigma terminal. Pods oblong or ligulate, thin and flat, or thicker and subturgid, indehiscent or deshiscent, smooth or spiny.
Species about 100, tropical and subtropical; four native species and several cultivated ones in Taiwan.
