Vachellia Karroo
''Vachellia karroo'', commonly known as the sweet thorn, common acacia, Karoo thorn, Cape gum or cockspur thorn, is a species of ''Vachellia'', native to southern Africa from southern Angola east to Mozambique, and south to South Africa. It is a shrub or small to medium-sized tree which grows to height of 12m. It is difficult to tell apart from ''Vachellia nilotica'' subsp. ''adstringens'' without examining the seed pods. The Botanical Society of South Africa has accepted a name change to ''Vachellia karroo''. Common names in various languages include ''doringboom'', ''soetdoring'', ''cassie'', ''piquants blancs'', ''cassie piquants blancs'', ''deo-babool'', ''doorn boom'', ''kaludai'', ''kikar'', ''mormati'', ''pahari kikar'', ''umga'' and ''udai vel''. Identification It is a shrub or small to medium-sized tree which grows to height of 12m. ''Vachellia karroo'' has a rounded crown, branching fairly low down on the trunk. It is variable in shape and size, reaching a maximu ...
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Friedrich Gottlob Hayne
Friedrich Gottlob Hayne (18 March 1763, Jüterbog – 24 April 1832, Berlin) was a German botanist, taxonomist, pharmacist and professor. Hayne showed an early interest in the plant world. From 1778 until 1796 he worked as a pharmacist in Berlin, and was acquainted with the botanist Carl Ludwig Willdenow of about the same age, who at the time was also a pharmacist in Berlin. From 1797 he worked on botanical and technical commissions for the factories department of the Prussian government. From 1801 to 1808 he worked in Schönebeck on the Elbe, where he was an assistant in the "Royal Prussian Chemical Factory" (later named 'Hermania'), which was founded in 1793 by pharmacist Carl Hermann Samuel and was the first German chemical factory. During his stay in Schönebeck he studied the chemical composition of plants and collected the flora of the region. After the Treaty of Tilsit in 1807, the Kingdom of Prussia lost about half of its territory, including all territory west of the El ...
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