Thursday, May 28, 2015

May 28 Wisconsin's Desert


Out in the Driftless area, pockets of sand-dominated land that face the hot afternoon sun create xeric conditions that support sand prairies. These prairies feel different than the wetter prairies many of us are used to, but the harsh conditions support unique life, including an unlikely Wisconsin plant- the prickly pear cactus. Prickly pears grow in many places, and Wisconsin has two species, the more common eastern prickly pear (Opuntia humifusa) and the state-threatened brittle prickly pear (O. fragilis). We arrived too early for the yellow flowers on these spiky plants, but the buds look ready to bloom soon. Luckily, some hairy puccoons (Lithospermum caroliniense) were showing their yellow flowers already.

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