Fischer, E., Killmann, D. & Dhetchuvi, J-B.M.M. (2023) The family Zingiberaceae in Rwanda with description of two new species of Renealmia. Plant Ecology and Evolution 156(2) 225-238
Perennial herbs. Leafy stems in clumps from short rhizomes. Leaves distichous, with long sheathing bases forming a pseudostem, narrowly ovate to obovate, attenuate at the base into a pseudopetiole; ligule very short and stiff; sheaths sulcate, sometimes pitted or reticulate. Inflorescences paniculate, separate from the leafy shoots. Inflorescence-axis bearing oblong to ovate bracts, subtending small cincinni of 1-8 or more flowers, each subtended by a tubular bracteole. Calyx tubular, 3-fid at the apex, persistent in fruit. Corolla 3-lobed, adnate below to the androecial tube. Fruit a fleshy capsule which may be tardily dehiscent. Seeds shiny, striate, angular, surrounded by a fimbriate aril. Worldwide: About 93 species, mainly in South America and some in tropical Africa. DRC: 1 taxon. |
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| Species | Botanical divisions | Content |
| africana Benth. |