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36. Halogeton C. A. Meyer in Ledebour, Icon. Pl. 1: 10. 1829.
盐生草属 yan sheng cao shu
Herbs annual. Stem erect, much branched, glabrous or arachnoid hairy. Leaves alternate, sessile, terete, fleshy, base expanded, apex obtuse or aristate awned; leaf axil fascicular pilose. Flowers borne in axillary glomerules, bisexual and female (plants polygamous), with 2 bractlets. Perianth conic, 5-parted; segments lanceolate or broadly so, in fruit with a membranous wing near apex abaxially. Stamens 2 or 5; anthers oblong, without an appendage. Ovary ovoid, laterally compressed; style short; stigmas 2, filiform. Fruit a utricle, enclosed by perianth; pericarp membranous, adnate to seed. Seed vertical or horizontal, orbicular; testa membranous or subleathery; embryo spiral; perisperm absent.
About three species: N Africa, C and SW Asia, S Europe; two species in China.
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Branches arachnoid hairy when young; leaf apex obtuse, sometimes mucronate; flowers usually 2 or 3 per glomerule; stamens 5; seed horizontal. |
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2 H. arachnoideus |
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Branches not arachnoid hairy when young; leaf apex aristate awned, awn sometimes deciduous; flowers usually 4-6 per glomerule; stamens usually 2; seed vertical. |
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1 H. glomeratus |
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Lower Taxa
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