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FOC | Family List | FOC Vol. 6 | Caryophyllaceae | Arenaria

1. Arenaria subgen. Arenaria

无心菜亚属 wu xin cai ya shu

Herbs annual or perennial. Stems single or sparsely caespitose, prostrate to diffuse or erect. Leaf blade usually lanceolate to ovate, rarely linear or subulate, herbaceous, rarely leathery. Inflorescence various, terminal or axillary, sometimes reduced to 1–3 flowers. Petals white, often shorter than sepals. Sepals not incrassate or only slightly so at base.

At least 106 species: centered in Europe but extending to Africa, Asia, and North America; six species (two endemic) in China.

McNeill (Notes Roy. Bot. Gard. Edinburgh 24: 79–155. 1962) subdivided Arenaria subgen. Arenaria into 11 sections, four of which occur in China: A. sect. Arenaria (species no. 1); A. sect. Rotundifoliae McNeill (loc. cit.: 113); species nos. 2 and 3); A. sect. Rariflorae F. N. Williams (Bull. Herb. Boissier 3: 602. 1895; species nos. 4 and 5); and A. sect. Compressae McNeill (loc. cit.: 118; species no. 6).

Lower Taxa


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