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Plants of Taiwan

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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: 599

     71. SAPINDACEAE 無患子科
    CHEN, CHING-HSIA

    Trees, shrubs, vines or rarely herbs. Leaves usually alternate, pinnately or palmately compound, rare simple; stipules none or in some climbing species present. Flower usually small, unisexual or bisexual, in racemes, panicles or corymbs, actinomorphic or commonly zygomorphic; calyx 4-5, imbricate or valvate sepals; petals 4-5 or wanting, often with hairs or scales at the base inside; hypogynous discs well developed, situated between petals and stamens; stamens usually 8-10, the filaments distinct or united at base; ovary superior, 2-4-celled, with one or more ovules in each cell; placentation axile or parietal, the style simple or divided. Fruit various, drupaceous or capsular, entire or lobed, sometimes winged. Seeds often arillate globose or compressed, albuminous or exalbuminous.
    About 150 genera and over 1,500 species, of wide distribution in the tropics and warm region.

    KEY TO GENERA
    1. Leaves simple, rare pinnate… 3. Dodonaea
    1. Leaves pinnate, rare simple.
    2. Annual herbaceous vine… 2. Cardiospermum
    2. Perennial woody shrub or tree.
    3. Fruit indehiscent.
    4. Flower zygomorphic; calyx and petal irregular… 1. Allophylus
    4. Flower actinomorphic; stamens situated on the disc.
    5. Seed not arillate… 9. Sapindus
    5. Seed arillate.
    6. Pericarp glabrate… 8. Pometia
    6. Pericarp cracked.
    7. Petals 5; calyx imbricate… 4. Euphoria
    7. Petals absent; calyx valvate… 7. Litchi
    3. Fruit a dehiscent capsule.
    8. Inflorescence panicle… 6. Koelreuteria
    8. Inflorescence cyme… 7. Eurycorymbus

    1. ALLOPHYLUS L. 止宮樹屬

    Small trees or shrubs. Leaves 1- or 3- foliolate; estipulate; leaflets entire or serrate. Inflorescence axillary racemes, simple or branched. Flower small, polygamo-dioecious, globose, shortly pedicellate, white or yellowish; sepals 4 in opposite pairs, hooded, membranaceous, widely imbricated, the two outer ones smaller; petals 4, the place of the fifth vacant, small or reduced, sometimes declinate, naked within or usually with 4 glands opposite the petals; stamens 8, inserted on the receptacle inside the disk; ovary usually 2-lobed and 2-celled; ovules in the cells solitary. Fruit indehiscent, usually 1-2-lobed, the lobes sugblobose, fleshy or dry. Seeds usually with one short fleshy aril.
    Species about 120, tropical and subtropical, chiefly America, some in Australia and India. One in Taiwan.

    1. Allophylus timorensis (DC.) Blume, Rumphia 3: 130. 1847; Li in Fl. Taiwan 3: 384. 1977. 止宮樹 Pl.309
    Schmidelia timorensis DC., Prodr. 1: 611. 1824.
    Allophylus cobbe auct. non Blume: Hayata in Journ. Coll. Sci. Univ. Tokyo 30(1): 64. 1911; Icon. Pl. Form. 1: 151. 1911.