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of 43
pro vyhledávání: '"R. M. Polhill"'
Autor:
R. M. Polhill
Publikováno v:
Bothalia: African Biodiversity & Conservation, Vol 14, Iss 3/4, Pp 1020-1021 (1983)
FLORA OF TROPICAL EAST AFRICA
Externí odkaz:
https://doaj.org/article/666d0ff5544f49beb54ebac34de6f697
Leguminosae subfamily Papilionoideae.
Publikováno v:
Nordic Journal of Botany. 5:221-224
Preparatory to the publication of the Flora of Ethiopia, the following new species and combinations are made: Loranthaceae: Plicosepalus robustus Wiens & Polh., P. ogadenensis M. Gilbert, P. acaciae (Zucc.) Wiens & Polh., P. meridianus (Danser) Wiens
Publikováno v:
Kew Bulletin. 53:993
The preparation of the account of the family Myricaceae for the Flora of Tropical East Africa necessitates a number of new combinations with their transfer to the genus Morella Lour.; D. Killick has made new combinations for the South African species
Autor:
R. M. Polhill, D. Wiens
Publikováno v:
Novon. 7:274
Four new species of Loranthaceae and three new species of Viscaceae are described, namely Agelanthus bipartitus Balle ex Polhill & Wiens, A. pilosus Polhill & Wiens, Englerina cordata Polhill & Wiens, and Oedina congdoniana Polhill & Wiens in Loranth
Autor:
R. M. Polhill, Jon C. Lovett
Publikováno v:
Kew Bulletin. 50:417
There are about 25 species in the genus Ormocarpum, with 17 species mostly confined to Africa (Lock, 1989), of which one, 0. sennoides (Willd.) DC., has an Asian subspecies (subsp. sennoides). A number of the African species have fairly restricted di
Autor:
L. Constance, R. M. Polhill
Publikováno v:
Taxon. 39:258
Publikováno v:
Botanical Journal of the Linnean Society. 79:259-266
Free amino acids in seeds of 22 species of Crotalaria (Leguminosae) which grow in South America, Asia and Australasia have been identified. The position of these species in recent classifications of the genus is assessed on the basis of the distribut
Autor:
F. A. Bisby, R. M. Polhill
Publikováno v:
New Phytologist. 72:727-742
SUMMARY This paper indicates one way in which taximetrics can contribute to the taxonomic work currently being carried out in herbaria and universities. Taximetric and orthodox studies of African species of Crotalaria L. (Leguminosae) carried out sep
Publikováno v:
New Phytologist. 69:117-131
SUMMARY Mitotic metaphase plates of fifty-seven species of Crotalaria have been studied to determine the chromosome number and compare the size and shape of the chromosomes. The predominance of 2n= 16 is confirmed, but 2n= 14 is general in Section In