Nectar: Its Production and Functions in Trumpet Creeper
- 25 July 1975
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 189 (4199), 289-291
- https://doi.org/10.1126/science.189.4199.289
Abstract
Studies of the trumpet creeper, Campsis radicans (L.) Seem. (Bignoniaceae), reveal five distinct nectary systems, a phenomenon never before reported among temperate zone plants. Ant activity, centered around the four extrafloral systems, clearly demonstrates the ant-guard symbiosis usually associated only with tropical or subtropical species. Floral nectar, an attractant for hummingbird and bumblebee pollinators, differs chemically from the ant-attracting nectar produced extraflorally.Keywords
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