According to Flora Zambesiaca[FZ]
Primulaceae, F. K. Kupicha. Flora Zambesiaca 7:1. 1983
- Pilose creeping herbs with leafy stems.
- Leaves petiolate, alternate, orbicular, coarsely lobed and toothed.
- Racemes few–flowered, extra–axillary, short–peduncled; flowers pedicellate and bracteate, inconspicuous.
- Calyx segments 5, free or somewhat accrescent, persistent.
- Corolla campanulate, with 5 lobes 1/3–1/2 the length of the corolla.
- Stamens 5, oppositipetalous; filaments short, connate below into a continuous ring fused at the base to the corolla–tube; anthers apiculate.
- Ovary multiovulate.
- Capsule globose, dehiscent by 5 apical valves or indehiscent, many–seeded.
- Seeds angular, blackish, papillose.
According to Flora of Tropical East Africa[FTEA]
Primulaceae, P. Taylor. Flora of Tropical East Africa. 1958
- Pubescent herbs, creeping and rooting at the nodes or more or less acaulescent
- Leaves petiolate, alternate, ovate to orbicular, coarsely lobed and toothed
- Flowers small, pedicellate, bracteate, in few-flowered short extra-axillary sessile or pedunculate racemes; bracts linear, situated at or near the base of the pedicels
- Calyx-segments 5 (rarely and abnormally up to 7) ± ovate, acute, ciliate, sometimes somewhat accrescent
- Corolla campanulate; lobes 5, about 1/3 of the length of the corolla, sometimes ciliate
- Stamens shortly connate at the base into a ring which is adnate to the corolla; filaments short; anthers apiculate
- Ovary globose, setulose
- Capsule globose, dehiscing by 5 short cartilaginous valves, or indehiscent
- Seeds 3angled, minutely papillose
- The genus is confined to the mountains of tropical Africa
- It is very closely related to Cortusa L. with a few species in central Europe and Asia.
First published in J. Proc. Linn. Soc., Bot. 7: 205 (1863)
-  Govaerts, R. (1995) World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne
-  P. Taylor in Kew Bull. 13: 146 (1958).
-  Weim. in Svensk Bot. Tidskr. 30: 36 (1936).
-  Pax & Knuth in Engl. Pflanzenr. 4, 237, Primulac.: 222 (1905)
-  —F.T.A. 3: 488
-  in Journ. Linn. Soc., Bot. 7: 205 (1864).
Flora of Tropical East Africa
Flora of Tropical East Africa
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families (2017). Published on the internet at http://www.ipni.org and http://apps.kew.org/wcsp
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