POLLINATION OF NORTH-AMERICAN CACTI .4. POLLINATION OF THE SOUTHWESTERN OPUNTIAS

被引：43

作者：

GRANT, V ^{[1
]}

HURD, PD ^{[1
]}

机构：

[1] NATL MUSEUM NAT HIST,DEPT ENDOCRINOL,WASHINGTON,DC 20560

来源：

PLANT SYSTEMATICS AND EVOLUTION | 1979年 / 133卷 / 1-2期

关键词：

bee pollination; Cactaceae; flower beetles; Flower pollination; Opuntia;

D O I：

10.1007/BF00985876

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

This paper presents an overview of pollination systems in Opuntia sens. lat. in the southwestern United States. The floral syndrome of large, colorful, bowl-shaped, diurnal flowers is present in all of the prickly-pear species and most of the cholla (Cylindropuntia) species in this area. Pollination by medium-sized and large bees is established for some of the species with this floral syndrome and is predicted for the others. The same floral syndrome is widespread in Opuntia in other geographical areas.-Deviations from this floral syndrome occur in certain species of southwestern chollas, one of which has nocturnal disc-shaped flowers, and in several tropical American species groups or segregate genera with red hummingbird flowers. But such cases are relatively infrequent. Divergence between species with respect to floral syndrome and pollination system is not a common feature in the evolutionary pattern of Opuntia. © 1979 Springer-Verlag.

引用

页码：15 / 28

页数：14

共 34 条

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