A COMPARISON OF THE POLLEN WALL ULTRASTRUCTURE OF AUREOID AND NON-AUREOID SENECIO SPECIES (ASTERACEAE) IN NORTH-AMERICA

被引：10

作者：

BAIN, JF

WALKER, J

机构：

[1] Department of Biological Sciences, University of Lethbridge, Lethbridge, T1K 3M4, Alberta

来源：

PLANT SYSTEMATICS AND EVOLUTION | 1995年 / 195卷 / 3-4期

关键词：

ASTERACEAE; SENECIONEAE; SENECIO; AUREOID COMPLEX; PACKERA; POLLEN WALL; TEM; SYSTEMATICS;

D O I：

10.1007/BF00989296

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The structure of the pollen wall as revealed by transmission electron microscopy is presented for 29 species Senecio including 19 aureoid and ten non-aureoid species. The previous report of a helianthoid wall structure (exine with internal foramina) is confirmed for all the aureoid species examined while all of the non-aureoid taxa showed a senecioid pattern. The data provide support for the treatment of the aureoid complex as a distinct taxon.

引用

页码：199 / 207

页数：9

共 19 条

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