Subshrub 1–1.5 m tall. Stems 4-angled, glabrous, scabrous or finely velvety. Leaves opposite, becoming alternate below inflorescence, sessile or shortly petiolate, lanceolate to narrowly lanceolate, serrate or biserrate, scabrous or velvety, glabrous; lamina 4–10 cm long. Inflorescence of 3–7-flowered dichasia; bracts lanceolate, 5–7 mm long, serrate; bracteoles membranous, linear-lanceolate, to 0.5 mm long, entire, deciduous, brown. Flowers 4-merous; pedicel 0.7–1.5 mm long. Sepals ovate to deltoid, 0.6–0.8 mm long. Petals 2.4–3.3 mm long, yellow-green to reddish. Stamens 8, 1.6–2 mm long. Ovary 4-angled, glabrous or tomentose; styles 4. Fruit ovoid to obpyriform, 2–2.5 mm long, 4-ribbed, smooth or weakly rugose between ribs, glabrous, scabrous or velvety.
Home