Perennial herbs. Stipules adnate to petiole and ± sheathing the stem. Leaves circular or reniform in outline, palmately lobed. Inflorescences axillary. Flowers small, bisexual, green or yellowish, usually 4-merous. Hypanthium urceolate, persistent, bearing around the constricted mouth 2 series of 4 elements: the outer ("epicalyx lobes") alternating with the inner ("calyx lobes"). Petals 0. Stamens usually 4. Achenes 1-8(-12), included within an inflated, membranous urceolate calyx. Worldwide: 250 species in northern temperate zones and on tropical mountains Burundi: 4 taxa. |
No image yet |
| Species | Content | |
| cryptantha Steud. ex A. Rich. | Description, Image | |
| ellenbeckii Engl.[Agg] | ||
| ellenbeckii Engl. subsp. nyikensis (De Wild.) R.A.Grah, | Description, Image | |
| kiwuensis Engl. | Description, Image |