秦岭鼠尾草 qin ling shu wei cao

Herbs erect, viscid-villous. Stems ca. 18 cm, spreading villous at base, apex glandular pilose. Leaves pinnate, with petiolulate incised-serrate leaflets; basal leaves 3-foliolate, terminal leaflet ca. 1.2 × 1.1 cm, base truncate to rounded, lateral leaflets ovate, ca. 6 × 5 mm, apex obtuse; mid stem leaves 5-foliolate, terminal leaflets subrhombic, ca. 1.8 × 1.2 cm, lateral leaflets ca. 1.5 × 0.6 cm. Verticillasters 6-flowered, widely spaced, in few-branched panicles; bracts lanceolate, slightly shorter than pedicels. Pedicel ca. 1/3 as long as calyx. Calyx tubular, ca. 5 mm in flower, subcampanulate, ca. 7 mm in fruit, densely glandular hairy, finely 10-veined; upper lip broadly triangular, margin entire, apex acute; lower lip longer than upper lip, teeth narrowly triangular, apex mucronate. Corolla purple, ca. 7 mm, slightly exserted; tube included, without hairy annulus inside; upper lip entire, short falcate; lower lip pilose, middle lobe ca. 2 × as long, ca. 1.5 × as wide as lateral lobes, circular, concave. Stamens included; filaments longer than arcuate connectives, lower arms ca. 1/3 as long as upper. Style exserted. Nutlets dark green, oblong-ellipsoid, less than 2 mm, adaxially ribbed, smooth, shiny (specimens not seen).

* Gansu, Shaanxi.