Tufted, sts rhizomatous, herb up to c. 3 dm. tall, us. shorter, glab. to densely hairy. Lvs ∞, narrow-oblong in outline, on petioles c. 3 cm. long, sheathing at base. Lflts opp., upper ones rather close-set, ± (4)-5-6 × 5-8 mm., flabellate to broad oblong-ovate, truncate at base; teeth ∞, ± 1 mm. long, rounded triangular, acute. Peduncles slender to rather stout, up to ± 10 cm. long, ± clad in retrorse to patent hairs. Involucral bracts (5)-8-(10), ovate-oblong, up to ± 5 mm. long. Fls subsessile; rays elongating to ± 5 mm. in fr. Fr. glab., narrow-ovate in outline, c. 4 mm. long.