Closely branched spreading shrub 1-1·5 m. tall. Branchlets slender, glab., length of internodes 3-6 × diam. Lvs erecto-patent, c. 2.5-3 cm. × 5 mm., linear-lanceolate, subcoriac., rather pale green, more glossy on upper surface; lf-bud without sinus; lamina only slightly narrowed to base, subacute, glab., entire, margins very smooth as in H. subalpina. Infls lateral, simple, up to 5-6 × 1·5 cm. in fr., less in fl., peduncle short. Bracts narrow, ciliolate, = or < pedicels. Calyx-lobes c. 1·5 mm. long, subacute, with narrow pale border. Corolla white, tube < calyx, lobes c. 2 mm. long. Capsule erect, c. 4 × 2.5 mm.