Annual herbs. Leaves alternate, sessile. Flowers ± actinomorphic. Calyx with 4-5 accrescent lobes. Corolla campanulate, 4-5-lobed. Ovary inferior, 2-locular. Style 2-lobed; 2 glands sometimes present at the base of the style-lobes.
Capsule indehiscent.
Seeds numerous, sometimes with hair-like projections. Derivation of name: after Gunilla Thulin (1948-), wife of Swedish botanist Mats Thulin (1948-), who described the genus in 1974. (Clarke, Charters & Moll-Ed., 145, 2016). Worldwide: 2 species in tropical Africa and Madagascar Botswana: 2 taxa. |
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