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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: 977

     104. ALANGIACEAE 八角楓科
    LU, SHENG-YOU

    Trees or shrubs, sometimes spiny. Leaves alternate, simple, entire or lobed, estipulate. Flowers bisexual, actinomorphic, bracteate, in axillary cymes. Calyx-lobes 4-10, tooth-like or obsolete. Petals as many as the calyx-lobes valvate, linear to lorate, sometimes basally coherent. Stamens as many as petals or 2-4 times as many, distinct, arising from an enlarged disc; anthers 2-celled, dehiscing longitudinally. Ovary inferior, commonly 1- or rarely 2-celled, the ovule solitary, pendulous; style and stigma simple, or of 2-3 lobes. Fruit a drupe, usually crowned with the calyx-lobes, Seed with straight embryo and copious endosperm.
    Monogeneric.

    1. ALANGIUM Lam. 八角楓屬

    Characters of the family.
    About 22 species mostly in the tropical region. One species in Taiwan.

    1. Alangium chinense (Lour.) Rehder in Sargent, Pl. Wilson. 2: 552. 1916; Li in Fl. Taiwan 3: 906. f. 861. 1977. 華八角楓 Pl.487, Photo 83
    Stylidium chinense Lour., Fl. Cochinch. 220. 1790.
    Alangium taiwanianum Masamune in Trans. Nat. Hist. Soc. Form. 28: 435. 1938.
    Alangium chinense var. taiwanianum (Masamune) Koidz. in Acta Phytotax. Geobot. 8: 261. 1936.
    Alangium platanifolium auct. non Harms.: Li, Woody Fl. Taiwan 637. 1963.
    A small tree or shrub, the branchlets pubescent when young, soon glabrous. Leaves ovate to cordate, 8-20 cm long, 5-12 cm broad, acuminate, oblique at base, entire or with a few shallow lobes, glabrous above, tufted pubescent at the axils of veins beneath, strongly 3-5-nerved at base; petioles reddish, 4-6 cm long. Inflorescence in axillary 3-15-flowered cymes; flowers about 2 cm long; calyx short-dentate; petals valvate, 6-8, lanceolate, about 10 mm long; stamens as many as petals. Fruit ovoid, about 7 mm long.
    Eastern Asia. In Taiwan, from low to medium altitudes in exposed places and edges of forests.
    MIAOLI: Lu 24096. NANTOU: Wushe, Lu 24097. TAITUNG: Tianlangchyaus, Lu 24098. HUALIEN: Taroko, Lu 24099.