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Pedaliaceae R. Brown

胡麻科

Description from Flora of China

Herbs annual or perennial, rarely shrubs or trees, sometimes with swollen stems. Leaves opposite, sometimes alternate on upper part of stem, densely covered with 4-merous mucilaginous glands; stipules absent. Flowers zygomorphic, solitary, axillary, rarely in few-flowered cymes. Pedicel with extrafloral nectaries. Calyx (4 or)5-parted. Corolla bilabiate or obscurely so; lobes 5, imbricate. Stamens 4 and didynamous, sometime 2; staminodes usually 1; anthers 2-locular, dehiscing longitudinally. Disc fleshy. Ovary superior or rarely inferior, 2- or 4-locular; placentation axile; ovules 2 to numerous, anatropous. Style filiform; stigma 2-lobed. Fruit dehiscent or indehiscent, winged or usually with horns or hooks. Seeds 1 to many in each locule.

About 13 or 14 genera and 62-85 species: primarily tropical and subtropical parts of the Old World, especially Africa; two genera and two species in China.

Tao Deding. 1990. Pedaliaceae. In: Wang Wentsai, ed., Fl. Reipubl. Popularis Sin. 69: 63-66.

(Authors: Zhang Zhi-yun; Heidrun E. K. Hartmann)

Lower Taxa


 

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