Lallemantia
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Standard Cyclopedia of Horticulture |
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Lallemantia (J. L. E. Ave Lallemant, botanist of St. Petersburg). Labiatae. Annual or biennial herbs, of ornamental value for the flower-garden. From Dracocephalum the genus differs in the character of the upper lip, in which the lateral lobes are on the face of the middle lobe: glabrous or canescent: lvs. opposite, dentate, the upper ones passing into narrow sessile floral bracts: fls. small, blue; calyx tubular, 15-nerved, straight, 5-toothed; corolla-tube slender, included in calyx or somewhat exserted, the throat widening; corolla-limb 2- lipped; stamens 4, didynamous; style 2-lobed: nutlets ovoid.—Species 4, Asia. L. canescens, Fisch. & Mey. (Dracocephalum canescens, Linn.), is annual or biennial, 18 in.: lvs. narrow, long-petioled, the floral lvs. sessile: fls. blue, in whorls, with oblong ciliate bracts; corolla-tube exceeding calyx. Asia Minor, Persia. Variable; one form (var. albida, Voss) being white. July, Aug. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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