江西马先蒿 jiang xi ma xian hao

Herbs perennial, 70--80 cm tall. Stems erect, branched or not, with 2 lines of hairs. Leaves pseudo-opposite, often alternate apically; petiole 1--2.5 cm; leaf blade long ovate to lanceolate-oblong, 2--4 cm, abaxially subglabrous, adaxially sparsely pubescent, pinnatifid to pinnatipartite; segments 4--9 pairs, oblong to obliquely triangular-ovate, margin lobed or double dentate. Inflorescences racemose, short; bracts leaflike, shorter than flowers. Pedicel ± curved, densely pubescent. Calyx ca. 7 mm, glandular pubescent, deeply cleft anteriorly; lobes 2, equal, entire, apex acute. Corolla 2--2.2 cm; tube ca. 1.2 cm; galea falcate, 8--9 mm, with 1 fine marginal tooth on each side at apex; lower lip ca. 8 X 7 mm, ciliate. Filaments glabrous. Fl. Aug--Sep, fr. Sep--Oct.

* Rocks of sunny slopes, among shrubs on mountain summits; 1500--1700 m. Jiangxi (Wukung Shan), Zhejiang.