腺叶醉鱼草 xian ye zui yu cao

Buddleja delavayi var. tomentosa Comber; B. glabrescens W. W. Smith; B. heliophila W. W. Smith; B. heliophila var. adenophora Handel-Mazzetti; B. heliophila var. angustifolia C. Marquand; B. heliophila var. pubescens C. Marquand.

Shrubs or small trees, 1--6 m tall. Branches subterete, glabrous or stellate tomentose, soon glabrescent; nodes slightly inflated. Petiole to 5 mm; leaf blade ovate to very narrowly elliptic, 4--16 X 1.5--6.5 cm, both surfaces stellate tomentose to almost glabrous, abaxially often with some glandular hairs, base cuneate to decurrent, margin usually entire or repand-dentate, apex acuminate, lateral veins 4--7 pairs and abaxially conspicuous. Inflorescences terminal and axillary, paniculate cymes, 4--12 X 3--7 cm; peduncle stellate tomentose. Calyx campanulate, 2.5--5 mm; lobes triangular, 0.5--1.5 mm, outside stellate tomentose or glabrous, apex acuminate. Corolla rose pink to lavender, 1.1--1.6 cm, outside sparsely to densely stellate tomentose and often with some glandular hairs; tube 10--13.5 X 1.5--2 mm, inside with a few scattered glandular hairs; lobes suborbicular, 2--4.5 mm, inside glabrous. Stamens inserted slightly above middle of corolla tube, included; anther sessile or subsessile, ovate to triangular, 1.5--2 mm. Ovary ovoid, 1.5--2 mm, glabrous or stellate tomentose. Style short; stigma clavate. Capsules ellipsoid, 4--10 X 2--4 mm, glabrous or partially stellate tomentose. Seeds narrowly elliptic, ca. 2 mm, winged all around. Fl. Jan-Apr.

* Forest edges, thickets in valleys, along trails in mountains; 2000--3000 m. Xizang, Yunnan.