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4. Huodendron Rehder, J. Arnold Arbor. 16: 341. 1935.
山茉莉属 shan mo li shu
Trees or shrubs, deciduous. Winter buds naked. Leaves alternate; stipules absent; leaf blade margin entire or serrate. Inflorescences terminal or axillary, paniculate or subcorymbose; bracts and bracteoles small, early deciduous. Flowers small, bisexual. Calyx tube adanate to ovary, 5-toothed. Petals 5, bases slightly coherent, free, imbricate or valvate, revolute after anthesis. Stamens 8--10, exserted; filaments slightly adnate to petals; anthers oblong, connective produced beyond locule into a conspicuous 2- or 3-dentate appendage. Ovary half inferior, 3- or 4-locular; ovules numerous per locule, erect, placentation axile. Fruit capsular, ovoid, 1/3--2/3 surrounded by calyx, 3- or 4-locular, loculicidally dehiscent. Styles 3--5, partly connate; stigma capitellate. Seeds numerous, flattened; seed coat thin, reticulate, fringed on both sides; embryo straight.
Four species: E Asia; three species in China.
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Leaves abaxially densely gray tomentose, adaxially glabrous |
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3 Huodendron tomentosum |
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Leaves glabrous or only veins sparsely pubescent. |
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(2) |
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| 2 (1) |
Inflorescences and fruit glabrous; styles connate to middle; leaves glabrous; reticulate veins conspicuously raised on both surfaces when dry |
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1 Huodendron tibeticum |
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Inflorescences and fruit gray stellate tomentose; styles connate almost to apex; leaves pubescent only on veins; reticulate veins raised only on abaxial surface |
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2 Huodendron biaristatum |
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Lower Taxa
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