Pedicularis megalochila Li

Herbs perennial, less than 15 cm tall, not drying black. Roots fascicled, ± fusiform. Stems single or cespitose, white strigose. Leaves mostly basal; petiole to 2 cm; leaf blade oblong-lanceolate, 2--5.5 X 0.8--1.3 cm, abaxially glabrescent, adaxially pubescent along midvein, pinnatifid to pinnatipartite; segments 6--14 pairs, triangular-ovate to ovate-oblong, margin double dentate. Stem leaves few, smaller than basal leaves; segments only 5 or 6 pairs. Inflorescences centrifugal, usually more than 1/2 as long as stems; bracts leaflike, much shorter than flowers. Pedicel to 1 cm, densely long pubescent apically. Calyx usually with purplish dots, 2/3 cleft anteriorly; tube to 8--9 mm; lobes 5, unequal, long white ciliate. Corolla yellow, with brown-red or purple beak or corolla red throughout; tube ± erect, 1.5--3.8 cm, pubescent; galea falcate apically; beak semicircular, to 1 cm; lower lip ca. 2 X 2.5 cm, middle lobe obcordate, emarginate or ligulate, not placed apically. Filaments pubescent or anterior pair densely villous and posterior pair glabrous. Fl. Jul--Aug, fr. Aug--Sep.

SE and SW Xizang [Bhutan, Myanmar]

Grassy slopes, among Rhododendron, alpine meadows, thickets; 3800--4600 m.

Pedicularis megalochila là loài thực vật có hoa thuộc họ Cỏ chổi. Loài này được H.L. Li mô tả khoa học đầu tiên năm 1948.

大唇马先蒿（学名：Pedicularis megalochila）是列当科马先蒿属的植物。分布在缅甸以及中国大陆的西藏等地，生长于海拔4,200米的地区，常生于草坡以及矮杜鹃丛林中。