植物分类学报

• 研究论文 •    下一篇

柳兰广布种在中国的变异式样及其分类学

1陈家瑞, 2彼得·霍克, 2彼得·雷文   

  1. 1(中国科学院植物研究所,北京) 2(美国密苏里植物园,圣路易斯)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1988-04-18 发布日期:1988-04-18
  • 通讯作者: 陈家瑞

Variation Patterns and Systematics of the Widespread Species Epilobium angustifolium L.(Onagraceae) in China

1Chen Chia-Jui, 2Hoch Peter C., 2Raven Peter H.   

  1. 1 (Institute of Botany, Academia Sinica, Beijing) 2 (Missouri Botanical Garden, St. Louis, Missouri, USA)
  • Received:1900-01-01 Revised:1900-01-01 Online:1988-04-18 Published:1988-04-18
  • Contact: Chen Chia-Jui<

摘要:

Abstract: Cytological, morphological, and geographical studies of Epilobium angustifolium in China reveal two partly distinct, partly overlapping entities that are best treated as subspe- cies.  The diploid (n=18) subsp. angustifolium has smaller, triporate pollen grains, typically glabrous stems and leaves, and smaller leaves and flowers, and occurs in colder, more northern areas, and at higher elevations in overlap zones.  The tetraploid (n=36) subsp. circumva- gum has larger pollen with a mixture of quadriporate  pollen  grains,  pubescent  stems  and leaves, and larger leaves and flowers, and occurs in warmer parts of southern China and at lower elevations.  We report 11 chromosome counts, six diploid and five tetraploid, includingthe first reported tetraploids in Asia.

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