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

32. Nepeta dentata C. Y. Wu & Hsuan, Fl. Reipubl. Popularis Sin. 65(2): 589. 1977.

齿叶荆芥 chi ye jing jie

Nepeta atroviridis C. Y. Wu & Hsuan.

Herbs perennial. Stems ca. 80 cm, sparsely puberulent. Petiole 0.4-2.6 cm, sparsely hirtellous; leaf blade ovate oblong or triangular-lanceolate to lanceolate, 3.2-10.5 × (1-)1.6-6.5 cm, papery, sparsely hirtellous, adaxially olive green, abaxially greenish, densely yellow glandular, base rounded to cordate, margin coarsely crenate-dentate, apex acute to acuminate. Cymes 2-11-flowered, inserted on 6-10 apical stem and branch nodes, widely spaced; peduncle 3-15 mm; bracts and bracteoles linear, 1-1.5 mm. Pedicel 1-1.5 mm, glandular puberulent. Calyx purple-red throughout or abaxially, tubular, ca. 8.5 mm, ca. 2.5 mm in diam., glandular puberulent, throat oblique; posterior teeth 3-4 mm; anterior teeth 2, slightly shorter, narrowly lanceolate, base sparsely hirsute inside. Corolla blue-purple, ca. 2 cm, sparsely puberulent, yellow glandular; tube slender, base ca. 1 mm in diam., narrowest part ca. 1.5 × as long as calyx, gradually dilated into throat ca. 8 × 6 mm; upper lip straight, ca. 2 mm; lower lip oblique, ca. 8 mm; middle lobe concave, cordate, ca. 5 × 7 mm, not bearded inside; lateral lobes semicircular, ca. 1.5 × 3.5 mm. Nutlets brown, globose-ovoid, ca. 1.5 × 1.2 mm, adaxially ribbed, glabrous. Fl. and fr. Aug.

* Forests, thickets, grassy hillsides, gravelly terraces; 2100-3500 m. Xizang

Distinguished, in the original description, from Nepta everardi, by the coarsely crenate-dentate, ovate-oblong leaves.


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