花楸叶马先蒿 hua chou ye ma xian hao

Herbs perennial, slightly pubescent. Stems curved, to 20 cm, slender. Basal leaves large, alternate or opposite; petiole to 4.5 cm; leaf blade lanceolate-obovate, pinnatisect; segments 6--13 pairs, ovate to oblong, to 1.8 cm X 8 mm, incised-double dentate, apex acute. Stem leaves similar to basal ones but smaller. Pedicel 3--8 mm. Calyx scarcely 1 cm, cleft anteriorly to middle of tube, 2--4-lobed. Corolla tube to 9.5 cm, pubescent; galea ± bent at a right angle apically; beak straight, short, inconspicuous; lower lip longer than galea, middle lobe smaller than lateral lobes, narrowly ovate, projecting. Filaments glabrous. Fl. Aug, fr. Sep.

* Mossy places in old growth Abies forests; ca. 3300 m. W Sichuan.