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4. Colona Cavanilles, Icon. 4: 47. 1798.
一担柴属 yi dan chai shu
Columbia Persoon.
Trees or shrubs. Leaves long petiolate; leaf blade ovate, usually hairy abaxially, basal veins 5-7, margin entire or serrulate, apex acute, sometimes 3-5-lobed. Inflorescences usually terminal, cymose paniculate. Bracts small; bracteoles present. Flowers bisexual. Sepals 5, free. Petals 5, glandular at base. Stamens many, free or in 5 bundles, borne on short androgynophore. Ovary 3-5-loculed; ovules 2-4 per locule; stigma thin, lobed or entire. Fruit a capsule, subglobose, 3-5-winged, septicidally dehiscent.
About 20 species: tropical Asia; two species in China.
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Leaf blade broadly obovate-orbicular or nearly orbicular, 11-20 cm wide, abaxially and adaxially roughly hairy; petiole 1.5-5.5 cm. |
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1 C. floribunda |
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Leaf blade oblong, 4-7 cm wide, abaxially stellate tomentose, adaxially glabrous; petiole 0.5-1 cm. |
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2 C. thorelii |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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