Roella latiloba A.Dc.

A shrublet 15-30 cm. high, erect, with ascending branches. Leaves 4-5 mm. long, usually squarrose, linear, ciliate near the base. Flowers solitary. Bracts few, like the leaves but with linear pinnate teeth. Calyx longer than the bracts, the lobes broadly triangular, 6-7 mm. long, 3-4 mm. wide, acute, externally densely covered with short stout hairs, hairy inside, the edges slightly revolute near the top, usually with 1-2 teeth lower down. Corolla pale blue or white, concolorous, 1-1-5 cm. long, the lobes twice as long as the tube.