foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.8 (2001)              | Family List  Brassicaceae  PDF Sisymbriopsis  PDF   |  eFloras.org Link Font:+ Big | - Small
   49. Sisymbriopsis  Botschantzev & Tzvelev
假蒜芥属   jia suan jie shu
  

  

Herbs annual, biennial, or perennial. Trichomes simple and stalked, 1- or 2-forked or dendritic. Stems erect or ascending, sometimes decumbent. Basal leaves petiolate, not rosulate, simple, pinnately lobed or coarsely dentate, rarely subentire. Cauline leaves petiolate or subsessile not auriculate, entire, dentate, or pinnatifid. Racemes several flowered, bracteate or ebracteate. Fruiting pedicels erect, ascending, divaricate, or rarely recurved. Sepals oblong, erect, glabrous or pubescent, base of lateral pair not saccate. Petals white or pink, longer than sepals; blade obovate, spatulate, or oblanceolate, apex obtuse; claw obscurely distinct. Stamens 6, slightly tetradynamous; filaments dilated or not dilated at base; anthers ovate or oblong, apex obtuse or apiculate. Nectar glands confluent and subtending bases of all stamens. Ovules 15-50 per ovary. Fruit dehiscent siliques, linear, latiseptate, ± rectangular in cross section, sessile; valves with a prominent midvein and 2 marginal veins and less prominent, reticulate lateral veins, pubescent or rarely glabrescent, torulose; replum rounded; septum complete; style obsolete or to 1 mm; stigma capitate, entire or 2-lobed. Seeds uniseriate, wingless or distally margined, oblong, slightly flattened; seed coat minutely reticulate, not mucilaginous when wetted; cotyledons obliquely accumbent.

Five species: China, Kyrgyzstan, Tajikistan; four species (three endemic) in China.

  
1Trichomes simple, flattened; petals 6-10 × 3-5 mm; fruiting pedicels 7-18(-25) mm4  S. yechengica    叶城假蒜芥
+At least some trichomes branched, not flattened; petals 2-4 × 0.6-1.5 mm; fruiting pedicels 0.5-5(-6) mm.(2)
   
2(1)Plants perennial; inflorescence bracteate; anthers apex obtuse3  S. shuanghuica    双湖假蒜芥
+Plants annual; inflorescence ebracteate; anthers apex apiculate.(3)
   
3(2)Fruit glabrescent or sparsely pubescent with crisped forked trichomes to 0.4 mm; stigma subentire or slightly 2-lobed; fruiting pedicels stout; sepals sparsely pubescent with crisped forked trichomes1  S. mollipila    绒毛假蒜芥
+Fruit densely villous with straight forked trichomes to 1 mm; stigma deeply 2-lobed; fruiting pedicels slender; sepals densely villous with straight simple trichomes2  S. pamirica    帕米尔假蒜芥
   
   Lower Taxon
  • Sisymbriopsis mollipila  (Maximowicz) Botschantzev  绒毛假蒜芥
  • Sisymbriopsis pamirica  (Y. C. Lan & Z. X. An) Al-Shehbaz et al.  帕米尔假蒜芥
  • Sisymbriopsis shuanghuica  (K. C. Kuan & Z. X. An) Al-Shehbaz et al.  双湖假蒜芥
  • Sisymbriopsis yechengica  (Z. X. An) Al-Shehbaz et al.  叶城假蒜芥