Pollen morphology of Parnassia L. (Parnassiaceae) and its systematic implications
Wu, D; Wang, H; Li, DZ; Blackmore, S
2005
发表期刊JOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
卷号47期号:1页码:2-12
摘要The pollen morphology of 28 species of Parnassia L. was investigated with light microscopy and scanning electron microscopy (SEM). The shape of pollen grains in this genus varies from subspheroidal to prolate in equatorial view and is three-lobed circular in the polar view. Pollen grains are usually radially symmetrical, isopolar, tricolporate or syntricolporate, with reticulate sculpture. The pollen characteristics among species are fairly similar to each other. Morphological information regarding the pollen grains shows that Parnassia is a natural genus. Based on exine ornamentation observed under SEM, three types of pollen grains were recognized: (i) type I, with foveolate-reticulate sculpture; (ii) type II, with a finely reticulate sculpture; and (iii) type III, with a coarsely reticulate sculpture. Most sections of this genus have one type of sculpture of pollen morphology, but Sect. Nectarotrilobos has three types of sculpture and Sect. Saxifragastrum has two types of sculpture. All three types of sculpture can be found in Southwest China, with species with the longest (Parnassia delavayi Franch.) and shortest (Parnassiafaberi Oliv.) colpi, implying that Southwest China is the center of diversification of the genus.
关键词Parnassia l Pollen Morphology Systematic Implications
学科领域Biochemistry & Molecular Biology ; Plant Sciences
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Plant Sciences
WOS类目Biochemistry & Molecular Biology ; Plant Sciences
WOS记录号WOS:000227090100001
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2988
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Lab Biodivers & Plant Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Royal Bot Gardens, Edinburgh EH3 5LR, Midlothian, Scotland
推荐引用方式
GB/T 7714
Wu, D,Wang, H,Li, DZ,et al. Pollen morphology of Parnassia L. (Parnassiaceae) and its systematic implications[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2005,47(1):2-12.
APA Wu, D,Wang, H,Li, DZ,&Blackmore, S.(2005).Pollen morphology of Parnassia L. (Parnassiaceae) and its systematic implications.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,47(1),2-12.
MLA Wu, D,et al."Pollen morphology of Parnassia L. (Parnassiaceae) and its systematic implications".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 47.1(2005):2-12.
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