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

Nyssa Gronov. ex Linn.

蓝果树属

Description from Flora of China

Trees dioecious. Leaves often crowded near ends of branches, estipulate. Flowers unisexual, usually in heads or short racemes, in axil of a bract with 2 bracteoles. Male flowers 5-merous. Stamens 10, arranged in two alternate whorls; filaments linear; anthers 2-celled, dorsifixed, with lateral lengthwise slits; disk pulvinate. Female flowers (4 or)5-merous; staminodes usually present. Ovary inferior, 1(or 2)-loculed, 1-ovuled; style bifid, with stigmatic tissue at inside of stylar arms. Fruit drupaceous, ± laterally flattened, with persistent calyx and disk. n = 22 [in Nyssa javanica (Blume) Wangerin (Mehra & Bawainin, Evolution 23: 466-481. 1969)].

According to C. Q. Zhang (pers. comm.), most Chinese species of Nyssa are endangered and some of them may already have become extinct.

About 12 species: four in North America, one in Costa Rica, one from India to Malaysia, and seven (five endemic) in China.

Lower Taxa


 

Related Objects  

Flora of China  
  • Nyssa.pdf
  • PDF

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

    Specimen Search

    People @ IBSC

     

     

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