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    台灣植物誌 第二版  Flora of Taiwan, 2nd edition    Vol. 3

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    台灣植物誌第二版  Flora of Taiwan, 2nd edition  3: 160

     57. LEGUMINOSAE 豆科
    HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

    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.
    Genera about 650, species over 18,000, cosmopolitan. About 60 genera and 170 species in Taiwan. Keys to genera and species commonly cultivated are included(*), but only the native or naturalized species are accounted in the present work.

    LITERATURE

    Huang, S. F. & T. C. Huang 1987. A taxonomic treatment of the Papilionoideae of Taiwan, Taiwania 32: 11-118.
    Huang, T. C. et al. 1992. A catalogue of the TAI-Herbarium, National Taiwan University. Part 1. Leguminosae. Taiwania 36(4): 318-395.
    Li, H. L. 1963. Woody Flora of Taiwan. Livingston Publ. Comp. Pennsylvania. P. 329-362.
    Liu, T. S. 1960. Illustrations of Native and Introduced Ligneous Plants of Taiwan. College of Agriculture, National Taiwan University, Taipei. vol. 1, p. 483-551.
    Ohashi, H. et al. 1984-1991. Taxonomic studies on the Leguminosae of Taiwan I-IV. Sci. Rep. Tohoku University 4th ser. (Biol.) 38: 277-334, 1984; 39: 53-66, 1985; 39: 191-248, 1988; and 40: 1-37, 1991.

    KEY TO SUBFAMILIES
    1. Petals valvate; flowers regular… 1. Mimosoideae
    1. Petals imbricate; flowers irregular.
    2. Flowers not papilionaceous slightly unequal, the upper innermost in bud… 2. Caesalpinioideae
    2. Flowers papilionaceous; petals unequal, the upper outermost in bud… 3. Papilionoideae

    SUBFAMILY 1. MIMOSOIDEAE 含羞草亞科

    Four genera are indigenous and five genera are either newly introduced or naturalized in Taiwan.

    KEY TO GENERA OF MIMOSOIDEAE
    1. Stamens indefinite; pods not woody.
    2. Stamens free; pods ligulate or oblong… 1. Acacia