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Pollen morphology and seed surface features of the genus Dactylicapnos Wall. (Papaveraceae)
Tong, W; Ai, TM
关键词Dactylicapnos Pollen Morphology Surface Feature Of Seed
刊名ACTA PHYTOTAXONOMICA SINICA
2003-03-01
41期:2页:180-186
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Plant Sciences
研究领域[WOS]Plant Sciences
英文摘要

Pollen grains and seed surface features of the four species in the genus Dactylicapnos Wall. (Papaveraceae) from China were studied under light microscope (LM) and scanning electron microscope (SEM). Pollen grains are usually subspheroidal in shape, and 6-pantocolpate, with the diameter being 29.2 - 50.8 mum. Although pollen grains of the four species studied have many common features, they show some interspecific differences. Depending on the difference of the species, the colpi are distinct ( D. roylei (Hook. f. et Thoms.) Hutch.), or indistinct ( D. scandens (D. Don) Hutch. and D. lichiangensis (Fedde) Hand.-Mazz.) to obscure ( D. torulosa (Hook. f. et Thorns.) Hutch.); the membrane is verrucate ( D. scandens) to tuberculate ( D. roylei, D. lichiangensis and D. toralosa), with some tubercles being united to block in pollen grains of D. roylei; the exine surface is indistinctly rugulate ( D. scandens and D. lichiangensis) to densely tuberculate ( D. torulosa). Seeds in the four species are usually black in color, and dull or lustrous, and show quite different surface features among the species. The seed surface is verrucate in D. scandens, twisted-striate in D. torulosa, densely spinulose in D. lichiangensis, and finely reticulate in D. roylei. These results are very helpful in distinguishing between the species in the genus, and support its independence as a separate genus from Dicentra Borckh.

语种中文
WOS记录号WOS:000185182600003
引用统计
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/52779
专题北京大学药学院
作者单位Peking Univ, Sch Pharm, Beijing 100083, Peoples R China
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Tong, W,Ai, TM. Pollen morphology and seed surface features of the genus Dactylicapnos Wall. (Papaveraceae)[J]. ACTA PHYTOTAXONOMICA SINICA,2003,41(2):180-186.
APA Tong, W,&Ai, TM.(2003).Pollen morphology and seed surface features of the genus Dactylicapnos Wall. (Papaveraceae).ACTA PHYTOTAXONOMICA SINICA,41(2),180-186.
MLA Tong, W,et al."Pollen morphology and seed surface features of the genus Dactylicapnos Wall. (Papaveraceae)".ACTA PHYTOTAXONOMICA SINICA 41.2(2003):180-186.
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