Calyx 3.5–4 mm. long, increasing to 6.5 mm. in fruit, 10-ribbed, shortly scabrid-pubescent without; lobes c. 1.5 mm. long, deltate, densely tomentose at margin and within.
Leaves usually in whorls of 3–4, 15–30(35) x 1-3.5 mm., linear to linear-lanceolate, undivided or rarely 3-fid, scabrid, margin revolute, strigose; midrib very prominent.
Bracteoles 2.5–5 mm. long, linear to linear-lanceolate, arising 0.25–0.5 mm. below base of calyx, long pubescent to hispid-strigose or subglabrous.
Flowers pink to lilac or lavender, or occasionally purplish, in whorls of 3–4 in long terminal racemes.
Capsule 4–5 mm. long, 3–3.5 mm. in diam., broadly ovoid to subglobose, emarginate, glabrous.
Pedicels 1.5–4.5 mm. long, increasing to 6.5 mm. in fruit.
Fertile anther thecae 2.8–3 x c. 1 mm., oblong.
Corolla 7–8 mm. long, limb 9–13.5 mm. in diam.
Robust erect shrub or woody herb 1-5 ft. high
Flowers pink or mauve with darker centre
Drying brown.