Compilation
Duosperma crenatum

Erect to decumbent or scrambling aromatic (when crushed) shrubby herb or shrub, to 2(?–3) m tall; bark peeling in papery strips; young stems glabrous to strigose-pubescent or sericeous-puberulous to -pubescent with broad shiny sometimes curly hairs. Leaves ovate to elliptic or slightly obovate, largest (2.5–)4–10.5≈1.5–5.5 cm, normally over twice as long as wide, apex drawn out into an acute to acuminate tip or acute to acuminate (rarely rounded), base attenuate to cuneate with a more or less distinct petiole to 1(–2) cm long, subglabrous to sparsely sericeous-puberulous or -pubescent (below densest along veins, above uniformly) with broad shiny hairs, margin crenate to dentate (rarely subentire); petiole sheath to 1(–2) mm long. Flowers in few- to many-flowered condensed axillary cymes, upwards gradually with fewer flowers and near apex often with some solitary flowers; outer bracts leafy, to 2.5 cm long; inner bracts to 1.5 cm long, constricted above a hyaline base and with widened apical part or lanceolate to narrowly ovate, glabrous or with scattered to dense broad shiny hairs along midrib and glabrous to sericeous or puberulous lamina, ciliate; bracteoles lanceolate to narrowly ovate or oblanceolate, to 1 cm long, acute to acuminate. Calyx 4–8(–11 in fruit) mm long, indumentum as bracts and bracteoles; tube 2.5–6 mm long; teeth narrowly triangular, acute to acuminate, dorsal 1–3 mm long, ventral 1–3 mm long of which the free part 0.5–1 mm long. Corolla white or creamy white with two red to purple patches on lower lip, 7–11 mm long, minutely sericeous-puberulous; tube 4–6 mm long of which the throat 1–2 mm; lips 2–5 mm long; lobes oblong, 1–1.5 mm wide, truncate to retuse; palate indistinctly pleated, without long stiff hairs. Filaments 2–4 mm long, with a few hairs near base; anthers 1–1.5 mm long, rounded, connective glabrous or with scattered glands. Dorsal stigma lobe about half as long as ventral. Capsule 6–8 mm long, obovoid. Seed ± 4 mm long. Fig. 38, 1–11, p. 250.