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

38. Scutellaria pekinensis Maximowicz, Prim. Fl. Amur. 476. 1859.

京黄芩 jing huang qin

Herbs annual. Stems 24-40 cm tall, erect, 0.8-1.5 mm in diam., base purplish, subglabrous to densely pubescent. Petiole (0.3-)0.5-2 cm, base purplish; leaf blade ovate to triangular-ovate, 1.4-1.7 × 1.2-3.5 cm, herbaceous to membranous, base truncate to subrounded, margin shallowly obtuse dentate to incised dentate, apex acute to rounded. Racemes terminal, 4.5-11.5 cm; bracts minute, narrowly lanceolate, 3-7 × 1-2 mm, margin entire; lower bracts leaflike, longer, sparsely pubescent. Pedicel ca. 2.5 mm, densely antrorse white pubescent. Calyx ca. 3 mm, to 4 mm in fruit, pilose along veins or spreading glandular pubescent or densely pubescent; scutellum ca. 1.5 mm, to 4 mm in fruit. Corolla blue-purple, (1-)1.7-2.5 cm, glandular pubescent outside, glabrous inside, base slightly bent in front, throat to 5 mm wide; middle lobe of lower lip broadly ovate, slightly constricted at middle, apex emarginate; lateral lobes ovate. Nutlets chestnut or dark brown, ovoid, ca. 1 mm in diam., tuberculate, adaxially umbonate at base Fl. Jun-Aug, fr. Jul-Oct.

Stony and grassy slopes, wet valleys, forests, wet forested meadows; 100-2600 m. Anhui, Fujian, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jiangxi, Jilin, Nei Mongol, Shaanxi, Shandong, Sichuan, Zhejiang [Japan, Korea, Russia]

1 Stems and petioles subglabrous or sparsely pubescent.   (2)
+ Stems and petioles pubescent.   (3)
2 (1) Leaves membranous, glabrous or strigose adaxially, sparsely villous on veins abaxially; calyx veins pilose   38b var. ussuriensis
+ Leaves herbaceous, sparsely strigose or veins, finely pubescent abaxially; calyx glandular pubescent   38c var. transitra
3 (1) Stems and petioles densely pubescent, purplish throughout; leaves villous, veins densely pubescent abaxially   38d var. purpureicaulis
+ Stems and petioles sparsely antrorse white pubescent, purplish only at base; leaves sparsely appressed puberulent, densely so on abaxial veins.   (4)
4 (3) Corolla less than 2 cm; calyx densely pubescent; leaves shallowly obtuse dentate, without glands   38a var. pekinensis
+ Corolla to 2.5 cm; calyx glandular pilose and pubescent; leaves incised-dentate, conspicuously dark glandular   38e var. grandiflora

Lower Taxa


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