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FOC | Family List | FOC Vol. 5 | Chenopodiaceae

41. Halimocnemis C. A. Meyer in Ledebour, Fl. Altaic. 1. 381. 1829.

盐蓬属 yan peng shu

Herbs annual, hairy or glabrous. Branches terete or 3-angled, stout. Leaves alternate, terete or semiterete, fleshy, apex obtuse or easily deciduous spinose mucronate. Flowers solitary in bract axils, bisexual, with 2 bractlets. Perianth segments 4 or 5, lanceolate, membranous, proximally hardened and usually connate into an urceolate tube, without an appendage, hairy or rarely glabrous. Disk entire. Stamens 4 or 5, inserted on disk; filaments filiform, compressed; anthers oblong, base free, apex with a vesicular appendage. Ovary ovoid, laterally compressed; ovule pendulous on long funicle; style slender; stigmas 2. Utricle broadly ovoid to globose; pericarp membranous, free from seed. Seed vertical, globose, laterally compressed; testa slightly fleshy, embryo planospiral; perisperm absent.

About 12 species: from the Black Sea region through the Caspian region to C Asia; three species in China.


1 Perianth segments and stamens 4; perianth tube basal surface with 4 radial ribs; plants densely pubescent mixed with jointed, villous hairs.   1 H. villosa
+ Perianth segments and stamens 5; perianth tube basal surface with 5 radial ribs, or segments not proximally connate; plants subglabrous or only pubescent.   (2)
       
2 (1) Bracts and bractlets shorter than or equaling perianth; anther appendage narrowly elliptic, distinctly narrower than anther; plants glabrous below, slightly pubescent above.   2 H. karelinii
+ Bracts and bractlets distinctly longer than perianth; anther appendage broadly ovate, subequaling or broader than anther; plants densely pubescent.   3 H. longifolia

Lower Taxa


 

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