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FOC | Family List | FOC Vol. 5 | Chenopodiaceae

29. Cornulaca Delile, Descr. Egypte, Hist. Nat. 206. 1813.

单刺蓬属 dan ci peng shu

Herbs annual or small shrubs. Stem and branches stout, not jointed. Leaves sessile, alternate, subulate or acicular, base expanded, apex pellucid; leaf axils fascicular villous. Flowers solitary or clustered in leaf axils, minute, bisexual, with 2 bractlets. Perianth segments 5, free or fused, apex with a free, membranous lobe; fruiting perianth enlarged, hardened, and bearing an acicular appendage abaxially, forming a narrowly conic spine, apex of segment remaining unchanged, persistent at junction of perianth and spine. Disk present or absent. Stamens up to 5; anthers narrowly oblong, appendage obscure or absent. Ovary ovoid; stigmas 2, filiform. Utricle enclosed in enlarged perianth, ovoid, slightly compressed; pericarp membranous, adnate to seed. Seed vertical; testa membranous; embryo conic-spiral; perisperm absent.

About six species: NW Africa (Egypt), SW Asia (Syria, Iran, Caspian region), China; one species (endemic) in China.

Lower Taxon


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