Annual or biennial rosette herbs to 22 cm. Roots fibrous, tuber absent. Stem unbranched, extremely short, sometimes to 1 cm when growing in shade. Stipule pale brown, 3–7 mm, fused to petiole at base, deeply 3-fid, lobes laciniate, papery, persistent. Lea
Leaves all radical, rosulate, cuneate-spathulate, lamina equalling or exceeding the broad petiole. Stipules connate intra-axillary scarious fimbriate, half as long as petiole. Scape and pedicels glabrous; pedicels secund, about equalling the papillose fruiting calyx. Styles 5, undivided, slender; stigmas radiate-papillose. Placentas 5.
Predominantly a tropical species of wet places and marshy ground at very low altitudes, sometimes in areas of cultivation.
Used medicinally as a powerful rubifacient to ease muscle pain.
DC. Prod. i. 318.