滇南艾 dian nan ai

Artemisia burmanica Pampanini f. latifolia Pampanini; A. dubia Wallich ex Besser f. tonkinensis Pampanini.

Subshrubs, 150-200 cm tall or more, densely gray or yellowish pubescent, or glabrescent. Lowermost leaves: leaf blade ovate, 7-12 × 5-6 cm, pinnatipartite or -cleft; segments 2(or 3) pairs, oblong or oblong-elliptic, rarely with 1 or 2 serrations. Middle stem leaves: petiole 4-10 mm; leaf blade 6-10 × 1.5-3 cm, 3(-5)-lobed, apical lobe elliptic, lateral lobes 15-25 × 5-8 mm, apically acuminate and mucronulate. Uppermost leaves and leaflike bracts entire. Synflorescence a broad panicle. Capitula many, nodding. Involucre oblong or ovoid-oblong, 1.5-2.5(-3) mm; phyllaries sparsely pubescent, sometimes glabrescent. Marginal female florets 5-7. Disk florets 12-16, bisexual. Achenes oblong. Fl. and fr. Sep-Dec or Mar.

Grasslands, slopes, shrublands, forest margins, canyons; 800-2300 m. S and SW Yunnan [Bhutan, N India, N Myanmar, N Thailand, N Vietnam].