Summary
Cyperus volkielloides, a minute annual species growing in ephemeral wetlands in western Tanzania, is described and illustrated. Its conservation status is assessed as endangered (EN B2ac(i,ii)).
Similar content being viewed by others
References
Bachman, S., Moat, J., Hill, A., de la Torre, J. & Scott, B. (2011). Supporting Red List threat assessments with GeoCAT: Geospatial Conservation Assessment Tool. Zookeys 150: 117 – 126.
Bauters, K., Larridon, I., Reynders, M., Asselman, P., Vrijdaghs, A., Muasya, A. M., Simpson, D. A. & Goetghebeur, P. (2014). A new classification for Lipocarpha and Volkiella as infrageneric taxa of Cyperus s.l. (Cypereae, Cyperoideae, Cyperaceae): insights from species tree reconstruction supplemented with morphological and floral developmental data. Phytotaxa 166: 001 – 032.
Bruhl, J. J. & Wilson, K. A. (2007). Towards a comprehensive survey of C3 and C4 photosynthetic pathways in Cyperaceae. Aliso 23: 99 – 148.
Darbyshire, I. (2008). Notes on the genus Dicliptera (Acanthaceae) in Eastern Africa. Kew Bull. 63: 361 – 383.
Goetghebeur, P. (1998). Cyperaceae. In: K. Kubitzki (ed.), The Families and Genera of Vascular Plants 4. Springer, Berlin.
Govaerts, R., Simpson, D. A., Bruhl, J. J., Egorova, T., Goetghebeur, P. & Wilson, K. L. (2007). World Checklist of Cyperaceae. Royal Botanic Gardens, Kew.
Haines, R. W. & Lye, K. (1983). Sedges and Rushes of East Africa. Eastern African Natural History Society, Nairobi.
Hoenselaar, K., Verdcourt, B. & Beentje, H. J. (2010). Cyperaceae. In: H. J. Beentje (ed.), Flora of Tropical East Africa. Royal Botanic Gardens, Kew.
Hooper, S. S. (1986). Volkiella (Cyperaceae), a Specialised Cyperoid Genus Re-Examined. Kew Bull. 41: 945 – 948.
IUCN (2012). IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland and Cambridge.
Larridon, I., Reynders, M., Huygh, W., Bauters, K., Van de Putte, K., Muasya, A. M., Boeckx, P., Simpson, D. A., Vrijdaghs, A. & Goetghebeur, P. (2011a). Affinities in C3 Cyperus lineages (Cyperaceae) revealed using molecular phylogenetic data and carbon isotope analysis. Bot. J. Linn. Soc. 167: 19 – 46.
____, ____, ____, ____, Vrijdaghs, A., Leroux, O., Muasya, A. M., Simpson, D. A. & Goetghebeur, P. (2011b). Taxonomic changes in C3 Cyperus (Cyperaceae) supported by molecular data, morphology, embryography, ontogeny and anatomy. Pl. Ecol. Evol. 144: 327 – 356.
____, Bauters, K., Reynders, M., Huygh, W., Muasya, A. M., Simpson, D. A. & Goetghebeur, P. (2013). Towards a new classification of the giant paraphyletic genus Cyperus (Cyperaceae): phylogenetic relationships and generic delimitation in C4 Cyperus. Bot. J. Linn. Soc. 172 (1): 106 – 126
____, ____, Huygh, W., Reynders, M. & Goetghebeur P. (2014). Taxonomic changes in C4 Cyperus (Cypereae, Cyperoideae, Cyperaceae): combining the sedge genera Ascolepis, Kyllinga and Pycreus into Cyperus s.l. Phytotaxa 166: 33 – 48.
Muasya, A. M., Vrijdaghs, A., Simpson, D. A., Chase, M. W., Goetghebeur, P. & Smets, E. (2009). What is a genus in Cypereae: phylogeny, character homology assessment and generic circumscription. Bot. Rev. 75: 52 – 66.
____, Viljoen, J.-A., Dludlu, M. N. & Demissew, S. (2014). Phylogenetic position of Cyperus clandestinus (Cypereae, Cyperaceae) clarified by morphological and molecular evidence. Nordic J. Bot. 32: 106 – 114.
Nelmes, E. (1955). Notes On Cyperaceae: XXXVI. New Annual Species of Pycreus from Tropical Africa. II. Kew Bull. 10: 91 – 92.
Phillips, S. M. (2000). A new species of Aristida (Poaceae) from Tanzania. Kew Bull. 55: 203 – 205.
WCSP (2015). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 16 February 2015.
Acknowledgements
AMM acknowledges receipt of a Bentham Moxon trust grant which funded travel to the U.K., during which the work describing this new species was undertaken.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Muasya, A.M., Vollesen, K. Cyperus volkielloides (Cyperaceae), a new ephemeral species from Tanzania. Kew Bull 70, 53 (2015). https://doi.org/10.1007/s12225-015-9607-4
Accepted:
Published:
DOI: https://doi.org/10.1007/s12225-015-9607-4