The consequences of specialization for pollination in a rare South African shrub,Ixianthes retzioides (Scrophulariaceae)

Endemism and Speciation in the California Flora

G. Ledyard Stebbins, Jack Major · Ecological Monographs · 1965 · 433 citations

Life Sciences, Ecology, Evolutionary Biology +10

THE ECOLOGY OF OIL FLOWERS AND THEIR BEES

Stephen L. Buchmann · Annual Review of Ecology and Systematics · 1987 · 304 citations

Life Sciences, Ecology, Entomology +17

Floral Conservatism in Neotropical Malpighiaceae

William R. Anderson · Biotropica · 1979 · 189 citations

Life Sciences, Biology, Botany +17

Floral and pollinator divergence in two sexually deceptive South African orchids

Kim E. Steiner, V. B. Whitehead, Steven D. Johnson · American Journal of Botany · 1994 · 111 citations

Agriculture, Ecology, Plant Sciences +17

OIL FLOWERS AND OIL BEES: FURTHER EVIDENCE FOR POLLINATOR ADAPTATION

Kim E. Steiner, V. B. Whitehead · Evolution · 1991 · 107 citations · Full text

Life Sciences, Entomology, Zoology +11