Heliotropium amplexicaule Vahl
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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
Boraginaceae
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Scientific Name
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Description
Species Description - Deep-rooted, diffusely branched, sparsely hirsute perennial 2–5 dm; lvs sessile, lanceolate to oblanceolate, the larger to 8 × 2 cm; spikes 2–5 on a naked common peduncle, each eventually 4–10 cm; cor blue or purple, shallowly lobed, 4–6 mm wide; fr depressed-ovoid, 2–3 mm, rough-tuberculate, separating into 2 halves, each half bilocular and 2-seeded, half-ovoid, truncate above, distended on the inner face over the seeds, the distal margin incurved and bearing 2 minute lobes; 2n=26, 28. Native of S. Amer., intr. as a weed in se. U.S., n. occasionally to Va. and Mo., or farther n. as a waif. (Cochranea anchusaefolia)