Definition of Thysanocarpus
: a small genus of slender annual herbs (family Cruciferae) that have pinnatifid basal leaves, entire stem leaves, small white flowers, and an ovate or orbicular one-seeded winged silicle and are widely distributed in dry upland areas of the Pacific coast of North America — see fringepod
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Origin and Etymology of thysanocarpus
New Latin, from thysan- + -carpus
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