Valerianella umbilicata (Sull.) Alph.Wood
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Caprifoliaceae
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Scientific Name
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Description
Species Description - Infl loosely fld, with elongate branches; cor white, 3–5 mm; its lobes 1–2 mm; fr trimorphic, 3–5 mm, 2 forms near orbicular in dorsal (abaxial) view, the fertile locule ovoid, the sterile ones much dilated, their lateral walls relatively firm, ± incurved on the adaxial side, the ventral walls very thin and membranous, soon ruptured to expose a deep and narrow or shallow and broad adaxial pit; in the third type the sterile locules not expanded, together forming an ovoid, medially grooved protuberance hidden from abaxial view by the fertile locule. Local from s. N.Y. and s. Ont. to Ill., s. to N.C. and Tenn. May, June. (V. intermedia; V. patellaria)