It is an erect or prostrate, annual or perennial herb, often with a woody base, which grows as wasteland herb everywhere. Stems are 0.4-2m in length, pilose or puberulent. Leaf blades are elliptic, ovate, or broadly ovate to orbiculate, obovate-orbiculate, or broadly rhombate, 1-20 × 2-6cm, adpressed-pubescent abaxially and adaxially. Inflorescences to 30cm; bracts membranous; bracteoles long-aristate, spinose; wings attached at sides and base. Flowers have 4 or 5 tepals, length is 3-7mm; pseudostaminodes with margins fimbriate at apex, often with dorsal scale.