EcoFlora - Lithospermum tuberosum

Lithospermum tuberosum Rugel ex DC.
Family: Boraginaceae Tuberous Gromwell	Gleason & Cronquist Resources Vascular plants of NE US and adjacent Canada Stems 3-5 dm from tuberously thickened roots; basal lvs obovate-oblong, 5-10 cm, forming a rosette; cauline lvs much smaller, lanceolate to oblong or oblanceolate, obtuse or acute; fls ochroleucous, 6-8 mm, the cor-tube surpassing the cal; nutlets obovoid, 2-3 mm, white, sparsely pitted, otherwise smooth and shining. Woods; Ky. to Fla. and La. May, June. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
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