特徵描述
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, Taiwania 32(1): 11-118. 1987.
- Huang, T. C. et al., Taiwania 36(4): 318-395. 1992.
- Li, H. L., Livingston Publ. Comp. Pennsylvania 329-362. 1963.
- Liu, T. S, College of Agriculture, National Taiwan University, Taipei. 483-551. 1960.
- Ohashi, H. et al., The science reports of the Tohoku Imperial University. Fourth Series, Biology 277-334. 1984. (Sci. Rep. Tohoku Univ. 4. Biol.)
- Ohashi, H. et al., The science reports of the Tohoku Imperial University. Fourth Series, Biology 53-66. 1985. (Sci. Rep. Tohoku Univ. 4. Biol.)
- Ohashi, H. et al., The science reports of the Tohoku Imperial University. Fourth Series, Biology 191-248. 1988. (Sci. Rep. Tohoku Univ. 4. Biol.)
- Ohashi, H. et al., The science reports of the Tohoku Imperial University. Fourth Series, Biology 1-37. 1991. (Sci. Rep. Tohoku Univ. 4. Biol.)
- HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI, Flora of Taiwan, second edition 3: 160. . (Fl. Taiwan 2nd edit.)
Acacia 相思樹屬
作者
HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI
型態特徵
Spinose, prickly or unarmed shrubs or trees, erect or climbing. Leaves bipinnate, with minute leaflets or reduced to phyllodia. Flowers in globose heads or cylindrical spike-heads, hermaphroditic or polygamous, usually 5-merous; calyx campanulate or funnel-shaped, shortly toothed; petals exserted, united in the lower half; stamens free, indefinite, much exserted; anthers minute, not gland-crested; ovary stalked or sessile, many ovuled; style filiform, the stigma minute, capitate. Pods falcate or oblong, septate or non-septate, usually compressed and dry, dehiscent or indehiscent, rarely turgid or subcylindrical, the sutures straight or wavy, slightly thickened.
參考文獻
種列表
- Acacia angustissima
- Acacia arabica 阿拉伯樹膠
- Acacia auriculiformis 耳莢相思樹
- Acacia berlandieri
- Acacia caesia 藤相思樹
- Acacia catechu 兒茶
- Acacia confusa 相思樹
- Acacia cornigera 牛角相思樹
- Acacia dealbata 銀栲
- Acacia farnesiana 金合歡
- Acacia greggii
- Acacia hainanensis 海南羽葉金合歡
- Acacia hindsii
- Acacia juniperina
- Acacia leucophloea 白皮金合歡
- Acacia mangium 直幹相思樹
- Acacia mollissima 黑栲
- Acacia montana
- Acacia odoratissima
- Acacia pennata 羽葉金合歡
- Acacia pennatula ssp. parvicephala
- Acacia pycnantha 金栲
- Acacia saponaria
- Acacia sirissa
- Acacia sp.
- Acacia sphaerocephala
- Acacia spinescens
- Acacia stipulata
- Acacia sundra
- Acacia villosa