大序醉鱼草 da xu zui yu cao

Buddleja cylindrostachya Kraenzlin; B. hancokii Kraenzlin; B. henryi Rehder & E. H. Wilson var. hancockii (Kraenzlin) C. Marquand; B. hookeri C. Marquand, B. hosseusiana Kraenzlin; B. martii Schmidt.

Shrubs or small trees, 1--6 m tall. Branchlets 4-angled to 4-winged, stellate tomentose when young, glabrescent. Leaves sessile or subsessile; interpetiolar stipules leaflike, sometimes deciduous; leaf blade narrowly to very narrowly elliptic, 4--45 X 1--15 cm, abaxially densely stellate tomentose, adaxially stellate tomentose but glabrescent, base cuneate to decurrent into very short petiole or into leaf base, margin crenate-serrate, apex acuminate, lateral veins 16--26 pairs. Inflorescences terminal, spicate, dense or less often interrupted, 5--20 X 2.5--4 cm. Calyx campanulate, 3--6 mm, outside stellate tomentose and often with a few glandular hairs, inside glabrous; lobes triangular, 1.2--2.5 X 1--1.8 mm. Corolla mauve, purple, pinkish, or lilac, with an orange to red throat, 0.9--1.5 cm; tube cylindrical, 8--11 X 2--3.2 mm, outside stellate tomentose and often with a few glandular hairs, inside villous but basally glabrous; lobes suborbicular, 2--4 X 2--4 mm, inside glabrous. Stamens inserted slightly below corolla mouth; anthers oblong to narrowly triangular, 2--2.5 mm. Ovary ovoid, 2--4 X 1.5--2.5 mm, stellate tomentose and often with glandular hairs. Style 0.5--3 mm, basally stellate tomentose and with glandular hairs like ovary; stigma clavate. Capsules ellipsoid to narrowly ovoid, 7--10 X 3--4 mm, stellate tomentose, glabrescent. Seeds pale brown, 3--3.5 mm, with long wings at both ends. Fl. Mar-Sep.

Scrub on mountain slopes, river banks in forests; 900--3200 m. Guizhou, Sichuan, Xizang, Yunnan [Bangladesh, Bhutan, India, Myanmar, Sikkim, Thailand, Vietnam].