Erica quadrangularis Salisb.

Erect shrub up to 45 cm (1 1/2 ft). Branches mostly spreading or divaricate, rarely subvirgate, puberulous. Leaves 4-nate, 1.5-3 mm long, usually spreading, linear, faintly sulcate, glabrous, the younger ciliate. Flowers 4-nate, numerous; peduncles about 2 mm long slender; bracts median to remote, minute, ciliate. Sepals 1-1.5 mm long, ovate or ovate-lanceolate, acute, subs carious, keel-tipped, glabrous, ciliate or naked. Corolla 2-2.5 mm long, broad-cyathiform, more rarely subcampanulate-cyathiform or the tube sometimes obconic, mostly widened at the mouth, sometimes tetragonous, dry, glabrous, white or rosy; lobes erect but variable in shape, 1/2-3/4 the length of the tube, the interstices acute. Anthers included, lateral, obliquely cuneate-oblong and 0.33 mm long in the type, to subtriangular with very rounded angles, 0.29 mm long and proportionately broader (the front view showing a greater width than length) in most other specimens, smooth and glabrous, appendiculate; pore3/4-7/8 the length of the cell; awns straight, narrow, rough-edged, about 1/2 the length of the cell. Ovary glabrous; style included; stigma capitate.