Erica longifolia

Very variable bushy heath, usually with sharply pointed, rigid, linear leaves. Flower tubular, constricted slightly at mouth, from 1 to 2 cm long, varying from white to green, yellow, brown, pink, red or purple, sometimes bi-coloured; anthers without awns. Blooms most of the year.

Sources:

Ericas of South Africa (D.Schumann, G. Kirsten & E. G. H. Oliver) 1992: p. 52.