BIOL 2P93 Lecture Notes - Lecture 30: Pelargonidin, Stamen, Passiflora
24 Jan 2016
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Bird + bat pollinated flowers make copious nectar. Bird-pollinated flowers make large amounts of thin nectar w/ little odor b/c sense of smell poorly developed in birds. Birds: strong sense of color, bright flowers visit regularly. Hibiscus, red columbine + scarlet passion flower). male anna"s. : pollen on bird"s forehead, which in contact w/ flower"s stigma. Bats mainly pollinate tropical plant flowers by getting their food from flowers have slender, elongated muzzles + long, extensible tongues, pollinated flowers are dull colored + open night. Normally hang down on long stalks below foliage/ on tree trunks = bats easily access them. Bat flowers make strong, fermenting odors/musty scents similar to those made by bats. Declining bat pop b/c fungal spores of geomyces destructans, which hurt hibernating bats. Fungus causes disease white-nose syndrome = killed million+ bats 4 years + threatening n. america most bat species w/ extinction. Bats essential to world"s forests: pollinating flowers + dispersing seeds for trees + plants.
