foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.6 (2001)              | Family List  Caryophyllaceae  PDF Sagina  PDF   |  eFloras.org Link Font:+ Big | - Small
   9. Sagina  Linnaeus
漆姑草属   qi gu cao shu
  
Authors: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.

  
1Flowers 4-merous; seeds grooved1  S. procumbens    仰卧漆姑草
+Flowers 5-merous; seeds grooved or not.(2)
   
2(1)Pedicel and sepals without glandular hairs; seeds reniform-triangular, grooved2  S. saginoides    无毛漆姑草
+Pedicel and sepals glandular pubescent; seeds reniform-globose, not grooved.(3)
   
3(2)Seeds sharply tuberculate3  S. japonica    漆姑草
+Seeds with short linear striae4  S. maxima    根叶漆姑草
   
   Lower Taxon
  • Sagina japonica  (Swartz) Ohwi  漆姑草
  • Sagina procumbens  Linnaeus  仰卧漆姑草
  • Sagina maxima  A. Gray  根叶漆姑草
  • Sagina saginoides  (Linnaeus) H. Karsten  无毛漆姑草