Description
Key Characters:
Growth Form:
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.
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.
Fruit:
Seeds oblong; 1--1.2 mm; winged at both ends.
Ploidy:
2n = 38
Habitat:
Elevation Range: