Are pollination “syndromes” predictive? Asian Dalechampia fit neotropical models

Scott Armbruster, Y. Gong, S. Huang

Research output: Contribution to journalArticlepeer-review


Using pollination syndrome parameters and pollinator correlations with floral phenotype from the Neotropics, we predicted that Dalechampia bidentata Blume (Euphorbiaceae) in southern China would be pollinated by female resin-collecting bees between 12 and 20 mm in length. Observations in southwestern Yunnan Province, China, revealed pollination primarily by resin-collecting female Megachile (Callomegachile) faceta Bingham (Hymenoptera: Megachilidae). These bees, at 14 mm in length, were in the predicted size range, confirming the utility of syndromes and models developed in distant regions. Phenotypic selection analyses and estimation of adaptive surfaces and adaptive accuracies together suggest that the blossoms of D. bidentata are well adapted to pollination by their most common floral visitors.
Original languageEnglish
Pages (from-to)135-143
Number of pages9
JournalThe American Naturalist
Issue number1
Publication statusPublished - 2011


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