Description

Key Characters:

Growth Form: Shrubs or small trees, 1–6 m tall.

Stems: Branchlets terete (cylindrical) or nearly 4-angled, stellate tomentose.

Roots:

Leaves: Leaves simple. Opposite. Blades narrowly elliptic, narrowly ovate, or less often ovate or elliptic, 2--25 X 0.7--9 cm. Apex acuminate to rarely acute or obtuse. Base decurrent. Lower surfaces stellate tomentose; upper surfaces slightly bullate, stellate tomentulose, and often with glandular hairs but glabrescent. Margins entire or less often serrate. Lateral veins 8--13 pairs. Petioles 0.2--2 cm. Stipules present, sometimes leaflike.

Flowers: Inflorescences terminal and in axils of apical leaves, paniculate or thyrsoid cymes, 3--25 X 2--12 cm. Flowers perfect. Calyx campanulate, 2.5--4 mm, outside stellate tomentose and mostly with glandular hairs, inside usually glabrous; 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 X 1.2--1.6(--2) mm, inside pilose above base; lobes suborbicular, 2--2.5 X 1.8--2.2 mm. Stamens inserted just below corolla mouth, included; anthers oblong, 1--1.2 mm. Ovary superior, ovoid, 1.2--2 X 0.8--1.2 mm, stellate pubescent and with glandular hairs except for glabrous base. Stigma clavate, 1--1.5 mm.

Fruit: Capsules ellipsoid; 4--7 X 2--3 mm; stellate pubescent; glabrescent. Seeds oblong; 1--1.2 mm; winged at both ends.

Ploidy: 2n = 38

Habitat:

Elevation Range: