foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.8 (2001)              | Family List  Brassicaceae  PDF Olimarabidopsis  PDF   |  eFloras.org Link Font:+ Big | - Small
   52. Olimarabidopsis  Al-Shehbaz et al.
无苞芥属   wu bao jie shu
  

  

Herbs annual. Trichomes short-stalked or sessile, malpighiaceous and 3- or 4-rayed stellate. Stems erect or ascending. Basal leaves petiolate, not rosulate, simple, entire or rarely pinnatisect. Cauline leaves sessile, auriculate, entire or dentate. Racemes few to several flowered, ebracteate. Fruiting pedicels ascending, divaricate, or reflexed. Sepals oblong, erect, glabrous or pubescent, base of lateral pair not saccate. Petals yellow or yellowish white, slightly longer than sepals; blade oblanceolate, apex obtuse; claw absent. Stamens 6, slightly tetradynamous, rarely 4; filaments not dilated at base; anthers oblong, apex obtuse. Nectar glands confluent and subtending bases of all stamens. Ovules 18-60 per ovary. Fruit dehiscent siliques, linear, terete, sessile; valves with a distinct midvein, pubescent with submalpighiaceous and/or short-stalked, stellate trichomes, smooth; replum rounded; septum complete, perforated, or reduced to a rim; style obsolete or to 1 mm; stigma capitate, entire. Seeds uniseriate, wingless, oblong, plump; seed coat reticulate, slightly mucilaginous or not mucilaginous when wetted; cotyledons incumbent.

Three species: C and SW Asia, E Europe; two species in China.

  
1Septum complete; fruit 1.5-3.2(-4) cm; seeds (15-)20-40(-60) per fruit1  O. pumila    无苞芥
+Septum perforate or reduced to a rim; fruit 0.4-1(-1.5) cm; seeds 5-18(-20) per fruit2  O. cabulica    喀布尔无苞芥
   
   Lower Taxon
  • Olimarabidopsis pumila  (Stephan) Al-Shehbaz et al.  无苞芥
  • Olimarabidopsis cabulica  (J. D. Hooker & Thomson) Al-Shehbaz et al.  喀布尔无苞芥