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

4. Lycopus cavaleriei H. Léveillé, Repert. Spec. Nov. Regni Veg. 8: 423. 1910.

小叶地笋 xiao ye di sun

Lycopus coreanus H. Léveillé; L. coreanus var. cavaleriei (H. Léveillé) C. Y. Wu & H. W. Li; L. europaeus Linnaeus var. sinensis H. Léveillé; L. maackianus (Maximowicz ex Herder) V. Komarov var. ramosissimus Makino; L. ramosissimus (Makino) Makino.

Rhizomes transverse, producing long underground stolons enlarged at apex, with scalelike leaves. Stems erect, 15-60 cm, puberulent to glabrous, nodes ± pubescent. Leaves sessile, oblong-obovate to ovate, 1.5-3 × 0.6-1.5 cm, subglabrous, glandular, base cuneate to cuneate-attenuate, margin undulate-dentate or irregularly crenate-dentate, apex acute. Verticillasters globose, 5-7 mm in diam.; bracteoles linear-subulate, ribbed, 1.5-2.5 mm, spinescent. Calyx 2.5-3 mm, puberulent, obscurely 10-15 veined; teeth 4 or 5, ca. 1 mm, triangular-lanceolate, apex spinescent. Corolla white, slightly exserted, 3-3.5 mm, limb glandular, intricately white ciliate inside; limb obscurely 2-lipped, lips ca. 1 mm, subequal; upper lip circular, emarginate, lower lobes subequal. Anterior stamens as long as corolla, posterior 2 lacking or reduced to filiform staminodes. Nutlets obovoid, 4-angled, adaxially slightly swollen, glandular; areolae basal, white. Fl. Jul-Aug, fr. Aug-Sep.

Hills, streamsides, field margins; 900-1700 m. Anhui, Guizhou, Jiangxi, Jilin, Sichuan, Yunnan, Zhejiang [Japan, Korea].


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