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

16. Nepeta coerulescens Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. ser. 3, 27:529. 1881.

蓝花荆芥 lan hua jing jie

Dracocephalum coerulescens (Maximowicz) Dunn; Nepeta thomsonii Bentham ex J. D. Hooker.

Herbs perennial. Stems 25-42 cm, pubescent. Petiole of basal leaves 3-10 mm, 0-2.5 mm in upper ones; stem leaf blade lanceolate-oblong, 2-5 × 0.9-2.1 cm, densely pubescent, adaxially olive green, abaxially greenish, glandular, base truncate to shallowly cordate, margin crenate-serrate, apex acute. Verticillasters on the apical 4 or 5(-10) stem nodes, in ovoid spikes 3-5 cm, to 8.5-12 cm when elongated; peduncle 0-2 mm; bracts bluish, as long as to longer than calyx, linear or linear-lanceolate, ciliate. Calyx 6-7 mm, hirtellous, yellow glandular, throat very oblique; teeth of upper lip broadly triangular-lanceolate, apex acuminate; teeth of lower lip linear-lanceolate. Corolla blue, 1-1.2 cm, puberulent; tube ca. 6 × 1.5 mm, abruptly dilated into throat 3-3.5 × ca. 4.5 mm; upper lip straight, ca. 3 mm, 2-lobed; lower lip ca. 6.5 mm, middle lobe inversely cordate, ca. 3 × 3.5 mm, apex emarginate; lateral lobes reflexed, semicircular, ca. 1.5 × 2 mm. Nutlets brown, ovoid, ca. 1.6 × 1.1 mm, glabrous. Fl. Jul-Aug, fr. Aug-Sep.

* Grassy slopes, stony, alluvial fans, ravine sides, thickets, grassy riverbanks; 3300-4800 m. Gansu, Qinghai, Sichuan, Xizang.


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