Buddleja paniculata Wallich

Shrub or small tree, 1–6 m tall. Branchlets subterete or subquadragular, stellate tomentose. Leaflike stipules sometimes present. Petiole up to 20 mm; leaf blade narrowly elliptic or narrowly ovate, less often ovate to elliptic, 2–25 × 0.7–9 cm, stellate tomentose beneath, upper surface slightly bullate, stellate tomentulose, and often with glandular hairs, but glabrescent; apex acuminate or less often acute, base decurrent into the petiole, margin entire or less often serrate in the larger leaves. Inflorescences terminal and in the axils of upper leaves, paniculate or thyrsoid if small, 3–25 × 2–12 cm. Calyx campanulate, 2.5–4 mm, outside stellate tomentose and mostly with glandular hairs; lobes triangular to broadly triangular, 0.3–1.2 mm. Corolla white, pink, or lavender, with an orange throat, 7–12 mm, outside stellate tomentose and with some glandular hairs; tube 6–10 × 1.2–2.0 mm, inside pilose above base; erect lobes suborbicular, 2–2.5 × 1.8–2.2 mm. Stamens inserted 1.5–3.0 mm below corolla mouth; anthers oblong, 1–1.2 mm. Ovary ovoid, 1.2–2 × 0.8–1.2 mm, stellate pubescent with glandular hairs, base glabrous. Stigma clavate, 1–1.5 mm. Capsules ellipsoid, 4–7 × 2–3 mm, stellate pubescent, glabrescent. Seeds oblong, 1–1.2 mm, winged at both ends. (Leeuwenberg 1979; Li & Leeuwenberg 1996).

Distribution  Bhutan Myanmar China Guangxi, Guizhou, Hunan, Jiangxi, Sichuan, Yunnan India north east Nepal Vietnam

Habitat In mountain on forest edges, in open woodlands and thickets; 500–3000 m asl.

USDA Hardiness Zone 8-10

RHS Hardiness Rating H4

Conservation status Not evaluated (NE)