All Floras      Advanced Search
FOC Vol. 17 Page 100 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 17 | Lamiaceae | Scutellaria

85. Scutellaria scordifolia Fischer ex Schrank, Denkschr. Bayer. Bot. Ges. Regensburg. 2: 55. 1822.

并头黄芩 bing tou huang qin

Herbs rhizomatous. Stems purplish, erect, 12-36 cm tall, subglabrous to upwardly curved pubescent or densely strigose especially upward. Petiole 1-3 mm, pubescent; leaf blade linear to triangular-ovate, 1.5-3.8 × 0.2-1.4 cm, adaxially glabrous, densely strigose, or densely appressed pubescent, abaxially sparsely appressed puberulent except on veins or sparsely pubescent along midrib and veins, sometimes subglabrous, glandular or not, margin shallowly dentate or occasionally subentire. Racemes poorly defined, terminal, secund; bracteoles needlelike, ca. 1 mm, inserted near base of pedicels in pairs. Flowers axillary. Pedicel 2-4 mm, pubescent. Calyx 3-4 mm, pubescent outside, ciliate, to 4.5 mm in fruit; scutellum ca. 1 mm, to 2 mm in fruit. Corolla blue-purple, 2-2.2 cm, pubescent outside, glabrous inside; tube saccate-geniculate in front, base ca. 2 mm wide, gradually dilated to 6.5 mm wide at throat; middle lobe of lower lip circular-ovate, ca. 7 mm wide, apex emarginate; lateral lobes ovate, ca. 2.5 mm wide, apex emarginate. Nutlets black, ellipsoid, ca. 1.5 × 1 mm, tuberculate, adaxially umbonate near base. Fl. Jun-Aug, fr. Aug-Sep.

Deciduous broad-leaved forests, pine forests, marshy grasslands, grassy slopes; 0-2100 m. Gansu, Hebei, Heilongjiang, Henan, Liaoning, Nei Mongol, Qinghai, Shaanxi, Shanxi [Japan, Mongolia, Russia]

1 Stems subglabrous or hairy only on angles.   (2)
+ Stems uniformly densely strigose or upwardly curved pubescent especially apically.   (4)
2 (1) Stems subglabrous or angles with sparse, upwardly curved puberulent hairs; leaves triangular-ovate to lanceolate, 4-14 mm wide.   (3)
+ Stem angles sparsely retrorse puberulent; leaves lanceolate-linear to linear, 0.2-0.6 cm wide   85d var. ammophila
3 (2) Adaxial leaf surface glabrous   85a var. scordifolia
+ Adaxial leaf surface sparsely appressed puberulent   85b var. puberula
4 (1) Stems and adaxial leaf surfaces densely strigose   85c var. wulingshanensis
+ Stems and adaxial leaf surfaces densely appressed pubescent   85e var. villosissima

Lower Taxa


Flora of China @
Browse by
Advanced Search

Flora of China Home




 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |