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Gleason, H.A. & Cronquist, A. (1963) Manual of Vascular Plants of Northeastern United States and Adjacent Canada D. van Nostrand Co, Inc. Princetown New Jersey.
Perennial herbs with square stems. Leaves simple, opposite, usually aromatic. Flowers yellow on axillary spikes. Calyx 2-lipped, strongly 13-nerved, angular, the upper lip flattened, oblong, with 3 conspicuous nerves prolonged into the very short, broadly triangular lobes, the lower lip as long, cleft nearly to the base into narrow, subulate-tipped lobes; corolla tube up-curved, the upper lip concave, 2-lobed, lower lip with rounded lateral lobes and a longer median lobe. Fruit consisting of obovoid smooth nutlets. Worldwide: 4 species, native to Europe and Asia. Zimbabwe: 1 cultivated taxon. |
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| Species | Content |
| officinalis L. |
| Home | > | List of cultivated families | > | Lamiaceae | > | Melissa |