Jamesbrittenia silenoides (Hilliard) Hilliard

Herbaceous perennial, woody caudex up to c. 25 mm in diam., stems several from the caudex, c. 200-500 mm long, erect, ascending or decumbent, well branched, the whole plant eventually bushy, clad in glistening glands, leafy on lower part. Leaves opposite, bases connate, becoming alternate upwards and then passing rapidly into small floral bracts, somewhat pseudofasciculate, primary leaves up to c. 25-32 x 6-20 mm, blade oblanceolate to ovate in outline, ± total length petiolar, pinnatisect to bipinnatisect, lobes narrowly oblong to narrowly oblanceolate, entire to few-toothed, both surfaces clad in glistening glands. Flowers many, solitary in the axils of uppermost leaves or bracts, producing lax racemes up to c. 150-200 mm long. Bracts up to c. 3-7 x 0.4-0.5 mm, linear, acute. Pedicels up to 5-7(-18) mm long. Calyx tube c. 0.2 mm long, lobes c. 2.7-4.6 x 0.7-0.9 mm, linear, acute to subobtuse, clad in glistening glands and glandular hairs c. 0.1 mm long. Corolla tube c. 20-21 x 2-2.5 mm in throat, cylindric, abruptly expanded near apex, limb c. 10-15 mm across lateral lobes, oblique, bilabiate, mouth somewhat compressed laterally, posticous lobes 5-6.7 x 2-3 mm, anticous lobe 4.5-6.5 x 2-4 mm, all lobes ± oblong, apex deeply bifid, the tips very acute, margins strongly revolute, glandular-puberulous outside, hairs c. 0.1 mm long, glistening glands as well especially on backs of lobes and upper half of inflated part of tube, occasionally a few glistening glands on upper surface of lobes, otherwise glabrous there, broad transverse band of clavate hairs in throat extending very briefly onto anticous lip, lobes brown or reddish-brown, thick-textured (no venation visible on upper surface). Stamens: posticous filaments 1.2-2 mm long, anthers 0.8-1.3 mm, anticous filaments 0.7-1 mm long, anthers 0.8-1.1 mm, all filaments bearded. Stigma c. 0.8-1 mm long. Style c. 16 mm. Ovary 2.2-2.5 x 1-1.2 mm. Capsules 7.5-8 x 2.5-3 mm, glistening glands all over. Seeds 0.5-0.6 x 0.3-0.5 mm.