Mather Field Vernal Pools Butter-And-Eggs Or Common Owl's

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Mather Field Vernal Pools Butter-And-Eggs Or Common Owl's

Mather Field Vernal Pools common Butter-and-eggs or name Common Owl's-clover scientific name Triphysaria eriantha family Scrophulariaceae (figwort) habitat grassland (damp) plant 4 inches tall, size flower 0.8 to 1.3 cm long fun facts This plant is a hemi-parasite because it taps into the roots of © Carol Witham other plants to steal nutrients. description Member of the figwort family. The flowers are long tubes with three inflated (balloon-like) sacks near the top. In Butter-and-eggs, the sacks are bright yellow. Note that the multi-lobed bracts of Butter-and-eggs are purple. The other owl's- clovers at Mather Field have white tipped bracts or solid green bracts. life cycle Butter-and-eggs is an annual. It germinates in the middle of the winter, but does not grow very much until the weather begins to warm. Butter-and-eggs blooms in March and April. ecology Butter-and-eggs is a hemi-parasite on annual plants. The tips of its roots tap into the root system of the other plant to rob nutrients. Unlike the Vernal Pool Dodder (Cuscuta howelliana) which is a true parasite, the Triphysaria can only steal a portion of the nutrients it needs and has to make the rest through photosynthesis. Most Owl's-clovers require very specific environmental conditions for successful germination and growth. Some years there will be only a few plants and other years there might be millions! Very little is known about how Owl's- clovers are pollinated. investigate From the shape and coloration of the flower, Butter-and-eggs is probably insect pollinated. Can you figure out which insect pollinates it? Be sure to look at tiny crawling insects as well as flying ones! © .

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