大花列当 da hua lie dang

Orobanche eximia Harry Smith.

Herbs 16-18 cm tall. Stems erect, yellow-brown glandular pubescent. Leaves triangular or triangular-lanceolate, 0.8-1.2 cm X 3-5 mm, along with bracts, calyx, and corolla densely glandular pubescent abaxially. Inflorescences spicate, 5-10 cm; bract ovate-lanceolate, 1.2-1.4 cm X 6-7 mm; bractlets absent. Calyx ca. 1.3 cm, irregularly 2-parted; segments 2-lobed, sparsely pubescent adaxially; lobes lanceolate, 5-6 mm, 1-veined. Corolla yellow or blue, tubular-funnelform, 3.5(-5) cm; tube not constricted; upper lip entire; lower lip slightly shorter than upper; lobes subrounded, 5-6 mm, margin sinuate. Filaments 2-2.2 cm, base villous, sparsely glandular pubescent upward; anthers ovoid, 2.5-3 mm, villous. Pistil ca. 2.5 cm; ovary glandular pubescent. Style ca. 2 cm, glandular pubescent; stigma 2-lobed. Fruit and seeds unknown. Fl. May-Jun.

* N Sichuan (Wenchuan Xian).

Parasitic on species of Indigofera Linnaeus and Jasminum Linnaeus.