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

3. Stachys strictiflora C. Y. Wu, Acta Phytotax. Sin. 10: 220. 1965.

直花水苏 zhi hua shui su

Herbs erect, rhizomatous, perennial, usually densely pilose throughout. Stems 30-60 cm, slender, branches few or none. Petiole 0.7-1.5 cm; leaf blade ovate-cordate, 3-5 × 2-3 cm, adaxially bullate, base cordate, margin crenate, apex acute. Verticillasters 2-6-flowered, widely spaced; floral leaves short petiolate or subsessile, triangular-oblong to ovate, base shallowly cordate to subrounded, apex acute; bracteoles few, linear, ca. 2 mm. Pedicel less than 1 mm. Calyx campanulate, ca. 7 mm, pilose, glandular, 10-veined, accessory veins inconspicuous; teeth subequal, ca. 3 mm, glandular puberulent outside, finely pilose inside. Corolla reddish, sparsely puberulent; tube ca. 9 mm, base saccate; upper lip straight, ovate, ca. 3.5 mm, margin entire; lower lip spreading, ca. 4 × 5 mm; middle lobe trapeziform, emarginate; lateral lobes ovate, ca. 1.5 mm wide. Stamens reaching middle of upper lip of corolla; filaments puberulent, apex slightly dilated. Ovary dark brown, glabrous. Style nearly included. Fl. Jun-Jul.

* Grassy slopes; 2100-3400 m. Yunnan.

1 Calyx teeth ovate-lanceolate, spinescent, conspicuously reflexed; corolla ca. 1.2 cm; plants densely pilose throughout   3a var. strictiflora
+ Calyx teeth ovate-triangular, acute, nearly straight; corolla more than 1.5 cm; plants densely villous throughout   3b var. latidens

Lower Taxa


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