"Many wind-pollinated trees have red stigmas, but up until now we didn't know why," said Renner, an honorary professor of biology in Arts & Sciences at Washington University in St. Louis and co ...

Vectors for pollination can be biotic (e.g., insects, bats, birds, humans) or abiotic (e.g., wind, water, self-pollination). The flower scent, shape and color, and the timing of bloom, can give ...

Hand-pollination can assist the bees in their work. (Courtesy of Planet Natural) Pollination occurs when pollen from a stamen, or male part, of a flower is transferred to the pistil, or female ...

Function of red stigmas in wind-pollinated flowers. ScienceDaily. Retrieved June 11, 2025 from www.sciencedaily.com / releases / 2025 / 02 / 250213144136.htm. Washington University in St. Louis.

Wind-pollinated flowers, like those of many trees and grasses, don’t produce a scent. Animal pollinators can carry pollen from one flower’s stigma to another flower’s ovule as they forage ...

Feature Insect-pollinated Wind-pollinated; Position of stamens: Enclosed within the flower so insects must make contact: Exposed so that wind can easily blow pollen away ...

Wind pollinated flowers are often very small and plain, like these grass flowers which can only be seen clearly under a microscope. Ruby E Stephens , Author provided Wind pollination has evolved ...

Wind-pollinated flowers, like those of many trees and grasses, don’t produce a scent. Animal pollinators can carry pollen from one flower’s stigma to another flower’s ovule as they forage ...

Feature Insect-pollinated Wind-pollinated; Position of stamens: Enclosed within the flower so insects must make contact: Exposed so that wind can easily blow pollen away ...