Dwarf shrub, up to 0.4 m high. Stems decumbent or erect; whitish stellate-felted. Leaves sessile forming an interpetiolar ridge; blade narrowly linear, 15-45 x 1.5-2.5, narrowing gradually to base and apex, margins entire, both surfaces densely and finely yellowish grey stellate-felted. Flowers: verticils 2-flowered; calyx 5-8 mm long, densely and shortly grey stellate-felted; corolla with tube 6-8 mm long, upper lip 4 mm long, lower lip 6-7 mm long, pink to mauve or purple; Oct.-Jun.
Spreading or erect, branched shrublet, 0.2-0.4 m high; taproot strong, woody. Leaves sessile, forming interpetiolar ridges, channelled above, folding along midrib, linear 15-45 x 1.5-2.5 mm, narrowing gradually to apex and base, margins entire. Inflorescence of few to several 2 (4)-flowered verticillasters. Flowers pink to mauve or purplish. Calyx densely and shortly grey stellate-felted. Corolla: tube 6-8 mm long; upper lip ascending; lower lip horizontal. Flowering time all year.
An erect shrub. It grows 70 cm tall. The stems are woody at the base and branched. They have a dense white coating. The leaves are simple and without leaf stalks. They are oblong and spreading. The flowers are in groups of 2-10 in spikes at the top of the plant. They are arranged in rings. The flowers are 5 mm long and yellow or pink. The fruit is an oval nutlet.
Foetid, grey-felted shrublet, up to 0.5 m tall. Leaves sessile, linear, ± smooth, folded, both surfaces grey stellate-felted, entire. Flowers mainly in pairs in terminal leaf axils, calyx grey-felted, corolla pink to mauve.
Grey-felted shrublet to 40 cm. Leaves sessile, linear, folded. Flowers mainly in pairs, calyx grey-felted, corolla pink to mauve.