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

2. Lycopus lucidus Turczaninow ex Bentham, Prodr. 12: 178. 1848.

地笋 di sun

Herbs perennial. Rhizomes swollen at apex, sometimes with enlarged stolons bearing scalelike leaves. Stems erect, 20-70 cm, usually unbranched, nodes ± tinged purple-red. Leaves subsessile or short petiolate, linear to oblong-lanceolate, ± arcuate, 4-8 × 1.2-2.5 cm, glabrous to minutely hispid-hirsute, abaxially impressed glandular, base attenuate, margin ± pinnatipartite to ± entire, apex acuminate. Verticillasters globose, 1.2-1.5 cm in diam.; bracteoles ovate to lanceolate, ciliolate, spinescent, outermost to 5 mm and 3-veined, inner ones 2-3 mm and 1-veined. Calyx ca. 3 mm, glabrous, glandular; teeth 5, lanceolate-triangular, ca. 2 mm, apex spinescent, ciliolate. Corolla white, ca. 5 mm, glandular, throat white pubescent, tube ca. 3 mm; limb indistinctly 2-lipped, upper lip subcircular; lower lip 3-lobed, middle lobe larger. Nutlets obovoid, 4-sided, ca. 1.6 × 1.2 mm, abaxially flattened, glandular, base subattenuate. Fl. Jun-Sep, fr. Aug-Nov.

Marshy areas, grasslands, streamsides; 300-2600 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Japan, Russia]

1 Stems slender, 20-50 cm tall; lower leaves elliptic to lanceolate, ± pinnatipartite; middle leaves serrate; upper leaves linear-lanceolate, ± entire   2c var. maackianus
+ Stems robust, 60-70 cm tall; leaves oblong- lanceolate, coarsely dentate-serrate.   (2)
2 (1) Stems glabrous or sparsely hirtellous on nodes; leaves glabrous   2a var. lucidus
+ Stems hirtellous along angles, densely hirsute on nodes; leaves densely minutely hispid- hirsute adaxially and on veins abaxially, margin ciliate   2b var. hirtus

Lower Taxa


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