Stachys oblongifolia

長葉水蘇

Stachys oblongifolia Benth.

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Benth., Plantae Asiaticae Rariores 1: 64. 1830. (Pl. Asiat. Rar.)

Forbes & Hemsl., The journal of the Linnean Society of London. Botany 26: 301. 1890. (J. Linn. Soc., Bot.)

Stachys subargentea Hayata

Hayata, Icones Plantarum Formosanarum 8: 94. 1919. (Icon. Pl. Formos.)
Stachys leptopoda Hayata

Hayata, Icones Plantarum Formosanarum 8: 93. 1919. (Icon. Pl. Formos.)
Stachys oblongifolia Benth. f. leptopoda (Hayata) Kudo

Kudo, Memoirs of the Faculty of Science and Agriculture Taihoku Imperial University 2: 188. 1929. (Mem. Fac. Sci. Agr. Taihoku Imp. Univ.)

herb

Herbs, to 50 cm tall, covered with septate hairs; stem square, branched, puberulent.
Leaves sessile or petiolate; petioles minutely hairy, 1–3 mm long; blades 3–7 cm long, 0.7–1.5 cm wide, narrowly ovate or oblong, base truncate or subcordate, apex obtuse.
Inflorescences of verticillate cymes forming terminal or axillary racemes, 8–12 cm long; foliaceous bracts 2–3 cm long on lower part of stem, 2–5 mm long on upper part of stem. Flowers pedicellate; pedicels ca. 1 mm long; calyx campanulate, puberulent, 5-toothed, 6–7 mm long, teeth equal, triangular, aristate; corolla tubular, bilabiate, minutely hairy on limb, glabrous or minutely hairy on outside of tube, with a ring of hairs inside, 5–6 mm long, upper lip obovate or oblong, lower lip 3-lobed, central lobe broadly ovate, 2 lateral lobes ovate or oblong; stamens 4, filaments minutely hairy.
Nutlets ovoid, truncate at apex.
in northeast India, Japan, Korea and mainland China.