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3. Allmania R. Brown ex Wight, J. Bot. (Hooker). 1: 226. 1834.
砂苋属 sha xian shu
Herbs annual. Stem erect or ascending. Leaves alternate, petiolate, linear to obovate, margin entire. Heads terminal or axillary, composed of 3-7-flowered cymes, stalked or subsessile. Flowers bisexual; each flower with 1 bract and 2 bracteoles, scarious. Stamens 5; filaments basally connate into a short cup, pseudostaminodes absent; anthers 2-loculed. Ovary ovoid; ovule 1, erect; style filiform; stigma slightly 2-lobed. Utricles ovate, dehiscent by lid. Seeds black, subglobose, lenticular, with aril.
One species: tropical Asia.
Lower Taxon
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