This plant is densely glandular-hairy annual. Stems are erect, branched. Leaves are 1-3 x 0.2-0.4 cm,
lanceolate to narrowly elliptic, obtuse, attenuate at the base, short-petiolate. Pedicel is 3-8 mm. Calyx-lobes are 3 x 1 mm, elliptic, obtuse. Corolla is 6-7 mm, bluish-lilac, the throat white. Capsule is narrowly ovoid, attenuate at the apex. Seeds are 0.8 mm, cylindrical, striate, yellowish-brown.
Arabian Desert , Gebel Elba.
Egypt, Sudan, Arabia.
Sandy desert wadis and plains.
Annual.
Height: 10-30 cm.