Roella amplexicaulis Wolley-Dod

Erect, rigid. Leaves crowded, imbricate, recurved, rotund-ovate, sharply serrate on the upper part, ciliate on the lower, apiculate. Bracts orbicular. Flowers white or pale blue, 3-8 in terminal heads. Flowering from November to April. Distribution and habitat: Endemic to the Cape Peninsula, on sandstone slopes.

Roella prostrata E.Mey. ex A.DC.

Erect or sprawling. Leaves linear, ciliate, midrib prominent beneath, axillary clusters of smaller leaves present. Flowers white or pale blue, solitary at branch tips. Flowering from December to March. Distribution and habitat: Hopefield to Caledon, on sandy flats.

Roella spicata L.f.

Erect or diffuse. Leaves crowded, linear, axillary clusters of smaller glabrous leaves often present. Bracts leaf-like, broad at the base. Flowers white, in terminal or lateral heads aggregated into a spike-like inflorescence. Flowering from January to March. Distribution and habitat: Genadendal to Port Elizabeth where it occurs on rocky mountain slopes.

Roella uncinata Cupido

Perennial herb, tufted, up to 10 cm tall. Leaves linear, uncinate, scattered to densely imbricate, glabrous, margins ciliate, 1 or 2 pairs of teeth near apex; bracts leaf-like. Flowers 1 –4, terminal, white or pale blue. Flowering from November to February. Distribution and habitat : Endemic to Hermanus where it grows on sandstone slopes.