台湾马先蒿 tai wan ma xian hao

Pedicularis refracta (Maximowicz) Maximowicz var. transmorrisonensis (Hayata) Hurusawa.

Herbs annual, 25--30(--40) cm tall, ± woody at base. Stems unbranched, internodes to 8 cm, with 4 lines of hairs. Leaves in whorls of 4; petiole ca. 3 mm; leaf blade ovate-oblong to lanceolate-oblong, to 2 X 1 cm, abaxially pubescent and slightly scurfy, adaxially sparsely pubescent, pinnatipartite to nearly pinnatisect; segments 5--7 pairs, oblong-triangular, cuspidate-dentate, teeth callose. Inflorescences racemose, interrupted basally; bracts leaflike. Pedicel 1--2 mm, glabrous. Calyx 1/2 cleft anteriorly, white villous; tube 4.5--5.5 X ca. 2.5 mm; lobes 5, unequal, ca. 0.5 mm, posterior one triangular, lateral lobes obscure. Corolla red; tube slightly decurved basally, 7--9 mm, slightly expanded apically; galea erect, 5--6 mm, front nearly truncate; lower lip spreading, margin erose, middle lobe ovate, much smaller than lateral lobes. 2 filaments sparsely pubescent at base, 2 glabrous. Capsule 3/5 enclosed by accrescent calyx, short lanceolate-triangular, ca. 1 cm. Seeds dark, ca. 1 X 0.7 mm.

* Taiwan.