All Floras      Search Specimen
Login | eFloras Home | Help
IBSC | Family List | Angiospermae | Apocynaceae

Parsonsia R. Br.

同心结属

Description from Flora of China

Lianas woody, latex white. Leaves opposite. Cymes corymbose or paniculate, dichotomous, terminal or axillary, pedunculate. Flowers small. Calyx with basal glands inside or 5-scaled. Corolla salverform, tube short, hairy inside distally, faucal scales absent, lobes overlapping to right. Stamens inserted at middle of corolla tube or at throat; filaments long, strongly intertwisted or geniculate; anthers narrowly sagittate, exserted, glutinous, connivent into a subcylindric cone, adherent to middle of pistil head, cells with an empty tail; disc 5-lobed or 5-scaled. Ovaries 2; ovules numerous in each carpel. Style filiform; pistil head thickened, apex entire or 2-cleft. Follicles 2, terete, parallel or divergent. Seeds linear or oblong, apex crowned with coma; endosperm scanty; cotyledons very narrowly oblong, flat, radicle superior.

About 50 species: SE Asia, Pacific Islands; two species in China.

Lower Taxa


 

Related Objects  

Flora of China  
  • PDF File
  • PDF

    IBSC @ efloras.org
    Browse by
    Family
    Genera
    Search by name

    Specimen Search

    People @ IBSC

     

     

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |