Erect annual to 30 cm high, aromatic, moderately pilose all over with weak gland-tipped and stiffer simple hairs. Leaves thin, ovate to elliptic, entire to sinuate or obtusely lobed; lamina 10–20 mm long; petiole slender, c. ½ length of lamina. Flowers sessile in small clusters forming a paniculate inflorescence with flexuose branches. Perianth spherical, c. 1 mm high. Tepals 4, erect, shortly pilose. Stamens 0–2. Fruiting perianth herbaceous; tepals navicular, c. 1.5 mm long, ± free. Pericarp transparent, adherent. Seed erect, lenticular, c. 0.6 mm diam., minutely puncticulate.