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FOC | Family List | FOC Vol. 6 | Caryophyllaceae

9. Sagina Linnaeus, Sp. Pl. 1: 128. 1753.

漆姑草属 qi gu cao shu

Lu Dequan; Richard K. Rabeler

Herbs annual, biennial, or perennial, small. Stems often caespitose, procumbent or ascending, slender. Leaves linear or subulate, basally connate; stipules absent. Flower solitary, axillary or terminal, rarely in cymes, small, pedicellate; bracts immediately subtending calyx absent. Sepals 4 or 5. Petals 4 or 5, sometimes absent, white, usually shorter than sepals, rarely equal, margin entire, rarely slightly emarginate. Stamens 4 or 5, sometimes 8 or 10. Ovary 1-loculed; ovules numerous; styles 4 or 5, alternating with sepals. Capsule ovoid to globose, 4- or 5-valved; valves opposite sepals. Seeds numerous, reniform, minute, tuberculate or smooth; embryo curved.

About 30 species: mainly in N temperate regions, a few species in the subtropics; four species in China.

1 Flowers 4-merous; seeds grooved   1 S. procumbens
+ Flowers 5-merous; seeds grooved or not.   (2)
2 (1) Pedicel and sepals without glandular hairs; seeds reniform-triangular, grooved   2 S. saginoides
+ Pedicel and sepals glandular pubescent; seeds reniform-globose, not grooved.   (3)
3 (2) Seeds sharply tuberculate   3 S. japonica
+ Seeds with short linear striae   4 S. maxima

Lower Taxa


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