Much-branched shrub, up to 0.45 m high. Leaves at base opposite, alternate upwards, linear-lanceolate, entire, bristly hairy on margins and main vein, often glandular as well. Capitula radiate, solitary, long pedunculate; involucral bracts arranged in 2 rows, ± equal in size, outer ones with 3 depressed resin striae, shortly hairy and glandular. Ray florets blue. Disc florets yellow. Flowering time May, June. Pappus of barbellate bristles, present in both ray and disc florets. Cypselae narrowly elliptic, black, glabrous or shortly hairy.
Sparsely hairy shrublet to 45 cm. Leaves linear-oblong, almost glabrous, margins revolute. Flower heads radiate, solitary, yellow with blue rays.