foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.19 (2011)              | Family List  Carlemanniaceae  PDF Silvianthus  PDF   |  eFloras.org Link Font:+ Big | - Small
   2. Silvianthus  J. D. Hooker Hooker’s Icon. Pl. 11: 36. 1868.
蜘蛛花属   zhi zhu hua shu
  

Quiducia Gagnepain.

  

Shrubs or subshrubs; stems hollow. Leaf margin shallowly dentate. Inflorescence a cyme, usually axillary, many flowered, dense, compact, headlike, shortly pedunculate or sessile. Flowers heterostylous. Corolla broadly funnelform, (4 or)5-lobed; lobes induplicate-valvate. Anthers dorsifixed near base, oblong; pollen grains 3-colpate. Disk ridged. Ovary with placentas at middle of septum; style prolonged; stigma oblong-fusiform. Fruit a 5-valved, slightly fleshy capsule. Seeds ovoid-oblong, slightly curved; testa spongy, longitudinally striate.

Two species: China, NE India, Laos, Myanmar, N Thailand, N Vietnam; two species in China.

  
1Calyx lobes relatively large, oblong to spatulate; corolla white; leaf blade drying membranous.1  S. bracteatus    蜘蛛花
+Calyx lobes relatively smaller, linear; corolla yellow or red; leaf blade drying papery.2  S. tonkinensis    线萼蜘蛛花
   
   Lower Taxon
  • Silvianthus bracteatus  J. D. Hooker  蜘蛛花
  • Silvianthus tonkinensis  (Gagnepain) Ridsdale  线萼蜘蛛花