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FOC | Family List | FOC Vol. 17 | Lamiaceae | Nepeta

18. Nepeta sibirica Linnaeus, Sp. Pl. 2: 572. 1753.

大花荆芥 da hua jing jie

Dracocephalum sibiricum (Linnaeus) Linnaeus; Moldavica elata Moench; M. sibirica (Linnaeus) Moench ex Steudel; Nepeta macrantha Fischer.

Herbs perennial. Stems numerous, ca. 40 cm, puberulent, glandular. Petiole 3-7 mm, 1.5-1.7 cm in basal leaves; leaf blade triangular-oblong to triangular-lanceolate, 3.4-9 × 1.2-2.2 cm, adaxially sparsely puberulent, abaxially densely yellow glandular, veins pubescent, base shallowly cordate, margin denticulate, apex acute. Verticillasters lax, on apical part of stem, 9-15 cm; peduncle 5-8 mm; bracts linear, 2.5-3 mm, pubescent, ciliate. Pedicel ca. 1 mm. Calyx 9-10 mm, densely glandular pubescent, throat very oblique; teeth joined for 1/3-1/2 their length, lanceolate-triangular, apex acuminate; teeth of lower lip separated to base, longer, narrower, apex acute. Corolla blue or bluish, 2-2.9 cm, sparsely pubescent; tube nearly straight, narrow, abruptly dilated into throat ca. 6 × 6 mm; lobes of upper lip ca. 1/2 as long as upper lip, elliptic, apex obtuse; middle lobe of lower lip reniform, deeply sinuate, margin coarsely crenate; lateral lobes ovate to ovate-triangular. Nutlets unknown. Fl. Aug-Sep.

Hillsides; 1800-2700 m. Gansu, Nei Mongol, Ningxia, Qinghai [Mongolia, Russia]

Source of an essential oil. Cultivated as an ornamental.


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