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The effects of floral display on pollinator visitation vary among populations of Phacelia linearis (Hydrophyllaceae)

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Individual plants in gynodioecious populations of Phacelia linearis (Hydrophyllaceae) vary in flower gender, flower size, and flower number. This paper reports the effects of variation in floral display on the visitation behaviour of this species' pollinators (mainly pollen-collecting solitary bees) in several natural and three experimental plant populations, and discusses the results in terms of the consequences for plant fitness.
creator Eckhart, V. M. (Faculty/Staff)
Title The effects of floral display on pollinator visitation vary among populations of Phacelia linearis (Hydrophyllaceae)
supporting host Grinnell College. Biology
Index Date 1991
Publisher Grinnell College
Genre Essays
Digital Origin born digital
Extent 15 pages
Media Type application/pdf
note Individual plants in gynodioecious populations of Phacelia linearis (Hydrophyllaceae) vary in flower gender, flower size, and flower number. This paper reports the effects of variation in floral display on the visitation behaviour of this species' pollinators (mainly pollen-collecting solitary bees) in several natural and three experimental plant populations, and discusses the results in terms of the consequences for plant fitness. The working hypotheses were: (1) that because female plants do not produce pollen, pollen-collecting insects would visit hermaphrodite plants at a higher rate than female plants and would visit more flowers per hermaphrodite than per female; and (2) that pollinator arrival rate would increase with flower size and flower number, the two main components of visual display. These hypotheses were generally supported, but the effects of floral display on pollinator visitation varied substantially among plant populations.
citation/reference Eckhart, V. M. (1991). The effects of floral display on pollinator visitation vary among populations of Phacelia linearis (Hydrophyllaceae). Evolutionary Ecology, 5(4), 370-384.
Language English
Topic Hydrophyllaceae
Topic Flowers
Topic Size
Topic Pollinators
Topic Bees
Keyword gynodioecy
Keyword phacelia linearis
Classification QK
Related Item Faculty Scholarship
Related Item Scholarship at Grinnell
Related Item Digital Grinnell
Identifier (hdl) http://hdl.handle.net/11084/26665
Identifier (u1) eckhart
Identifier (u2) BIO
Identifier (local) grinnell:26665
Access Condition Copyright to this work is held by the author(s), in accordance with United States copyright law (USC 17). Readers of this work have certain rights as defined by the law, including but not limited to fair use (17 USC 107 et seq.).
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