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Erythrina Zeyheri
''Erythrina zeyheri'', commonly known as the ploughbreaker, is a deciduous, geoxylic subshrub and member of the Fabaceae, which is endemic to southern Africa. It grows no more than 60 cm tall and occurs naturally in the higher altitude grasslands of South Africa's central plateau, and that of adjacent Lesotho.Reports of its occurrence in Botswana and Zimbabwe are suspect, see: They favour deep clay soil in the vicinity of creeks and marshes, and often form colonies. Its specific name commemorates the 19th century botanist, Karl Zeyher. Description It is a geoxylic plant, sometimes called an "underground tree", that produces annual stems, some 50 to 60 cm long. It has glabrous, leathery, trifoliolate leaves with large leaflets. The rachis and main leaf venation, which are prominently raised below, are armed with recurved spines on both leaf surfaces. The petioles and stems are likewise armed to discourage browsers. The shoots and leaves are deciduous, dying away dur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Henry Harvey
William Henry Harvey, FRS FLS (5 February 1811 – 15 May 1866) was an Irish botanist and phycologist who specialised in algae. Biography Harvey was born at Summerville near Limerick, Ireland, in 1811, the youngest of 11 children. His father Joseph Massey Harvey, was a Quaker and prominent merchant. William started his education at Ballitore School in County Kildare and by the age of 15 had already established algae as his over-riding interest.Papenfuss, G.F. 1976. pp.21–46. Landmarks in Pacific North American Marine Phycology. ''in'' Abbott, I.A. and Hollenberg, G.J. 1976. ''Marine Algae of California''. Stanford University Press, California. After leaving school he joined the family business. Harvey was an authority on algae and bryophytes (mosses), and author of ''A Manual of the British Algae'' (1841), ''Phycologia Britannica'' (4 vols., 1846–51), ''Nereis Boreali-Americana.'' (3 parts 1852–85) and '' Phycologia Australica'' (5 vol., 1858–63). He spent several ye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
