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Are Hawkmoths The Mysterious Pollinators Of The Jamestown Lily?, W. John Hayden
Are Hawkmoths The Mysterious Pollinators Of The Jamestown Lily?, W. John Hayden
Biology Faculty Publications
“Hawkmoth flowers are easy to predict but difficult to document,” noted botanist Verne Grant in his comprehensive review of hawkmoth pollination systems in North America (Botanical Gazette 144: 439-449. 1983). Grant included Jamestown (atamasco) lilies (among other zephyr lily species) as examples of plants that are probably hawkmoth- pollinated, but for which the actual pollination mechanism remains undocumented.
Bloodroot Pollination: Bet-Hedging In Uncertain Times, W. John Hayden
Bloodroot Pollination: Bet-Hedging In Uncertain Times, W. John Hayden
Biology Faculty Publications
“Hurry up and wait.” The phrase that epitomizes life in the military or any other large, bureaucratic, organization, applies surprisingly well to bloodroot and similar ephemeral wildflowers. Each year these plants race to flower as early as possible to assure sufficient time for fruits to ripen and seeds to mature while sunshine is abundant at the forest floor, for all too soon the forest floor will be draped in shadows cast by the trees’ leafy canopy. Ephemerals do everything quickly: sprout, grow, flower, disperse seeds, and re-enter dormancy. But flowering in very early spring can be risky. Some days will …