Orobanche solmsii C. B. Clarke

Differs from Orobanche alba Steph. by its 2-fid calyx-segments and different corolla lips.

Biennial or perennial, (15-) 30-45 cm tall, often robust,c.2 cm thick below, pubescent pale yellowish-brown; scales 12-15 (-25) mm long, lanceolate. Spikes 10-20 (-25) cm long, dense. Bracts ± as long as or exceeding the flowers, narrow, lanceolate; bracteoles absent. Calyx half as long as the corolla, 2-segmented, each segment 2-fid to the middle with lanceolate teeth. Corolla usually 14-18 mm long, yellow, puberulous, curved with crenulate lobes. Stamens inserted down below the corolla tube; filaments and anthers glabrous. Stigma 2-lobed. Capsule 5-6 (-7) mm long, oblong-ovoid.

Herbs perennial or biennial, 15-20 cm tall, densely white villous and glandular pubescent. Stems 10-15 cm. Leaves lanceolate or long lanceolate, 2-2.5 cm X 3-4 mm, along with bracts and calyx densely white villous and glandular pubescent at margin and abaxially, apex long acuminate. Inflorescences spicate, 5-10 X 2.5-3 cm; bract lanceolate or narrowly lanceolate, usually longer than flowers, 1.2-1.6 cm X 2-3 mm, apex acuminate; bractlets absent. Calyx ca. 9 mm, 2-parted to base; segments 2-lobed; lobes linear, longest ca. 5 mm, shorter ones 2.5-3 mm. Corolla yellow, 1.3-2 cm, curved, densely glandular pubescent abaxially; upper lip emarginate, lower lip shorter than upper; lobes subrounded, dentate, villous. Filaments inserted near base of corolla tube, ca. 8 mm, sparsely pubescent basally, glabrescent upward; anthers oblong, 1.4-1.8 mm, glabrous. Pistil 1-1.2 cm; ovary oblong. Style ca. 6 mm, sparsely pubescent; stigma 2-lobed. Capsule oblong, ca. 10 X 3-5 mm. Seeds oblong, ca. 0.4 X 0.2 mm. Fl. May-Jun, fr. Jun-Aug.

Pakistan, Himalaya (Kashmir to Nepal).

Distribution: Himalayas, Kashmir, Pakistan, Pamir-Alai, Turcomania.

S Xinjiang, W and SE Xizang [Bhutan, Kashmir, Nepal, Pakistan, Sikkim].

3400 m

Waste places and forests; ca. 2700 m.

Orobanche solmsii là loài thực vật có hoa thuộc họ Cỏ chổi. Loài này được C.B. Clarke mô tả khoa học đầu tiên năm 1884.

长苞列当（学名：Orobanche solmsii）为列当科列当属下的一个种。产中国西藏西部和东南部，巴基斯坦、克什米尔地区和喜马拉雅也有分布。生于海拔2700米的林下荒地，寄生于独活属植物根上。