Perennials 25–60 cm tall; rhizome horizontal or ascending; stolons short, ascending. Leaves with obtuse tip and densely papillose-serrulate margins, hairy to densely hairy. Lower bract leaf-like, usually shorter than inflorescence. Inflorescence of mostly pedunculate clusters. Peduncles smooth, usually with short secondary branches. Capsule shorter than perianth. Seeds ovoid-subglobular, 0.6–0.8 mm wide; appendage almost invisible, less than 0.1 mm, hyaline.