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

33. Nepeta sessilis C. Y. Wu & S. J. Hsuan, Fl. Yunnan. 1: 577. 1977.

无柄荆芥 wu bing jing jie

Herbs perennial. Stems 50-80 cm, densely retrorse pubescent, sometimes intermixed with glandular puberulent hairs. Leaves sessile, largest on mid stem; leaf blade leathery, adaxially olive green, densely hirtellous, abaxially greenish, pubescent, with dark brown impressed glands, base cordate, margin undulate-crenate or shallowly serrate, apex obtuse to acute. Cymes dichotomous, 2-15-flowered, inserted in leaf axils of upper leaves; peduncle 3.5-4 mm; bracts and bracteoles linear, 1.5-3 mm, glandular pubescent. Pedicel ca. 1 mm, densely glandular pubescent. Calyx tubular, 7-9 × 1.6-2 mm, hirtellous, glandular puberulent, throat subregular; teeth subequal, oblong-lanceolate or lanceolate, 1.7-2 mm. Corolla blue, with white spots on middle lobe of lower lip, ca. 2.5 cm, puberulent; tube straight, base ca. 1.8 mm wide, narrowest part ca. 2 × as long as calyx, gradually dilated into throat to 9 × 6.5 mm; upper lip straight, ca. 2.5 mm; lower lip oblique or slightly spreading, ca. 6 mm, 3-lobed; middle lobe of lower lip cordate, margin bent inward, undulate, glabrous inside, base slightly swollen; lateral lobes semicircular, distinct. Nutlets dark brown, triquetrous, ovoid, ca. 2 × 1.3-1.6 mm, glabrous. Fl. Aug-Sep, fr. Sep-Oct.

* Mountain slopes, thickets; ca. 3100 m. Sichuan, Yunnan.


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