De Doorns / Hexriver Valley
The De Doorns Valley falls within the Worcester Div. and incorporates the catchment around the De Doorns valley. It is mainly given to table grape production, though minor but important patches of vegetation remain. This vegetation is highly threatened by expanding agriculture, road expansion and expanding townships.
Nodes
Drimia convallarioides
Drimia convallarioides
Drimia convallarioides
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Taxonomy term
Othonna
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Name derived from the Greek othone, a linen cloth or napkin, in allusion to the downy covering of some of the earlier known species. Doria Less. is not regarded as separable.
Oxalis
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From the Greek oxys = sharp, sour or acid and (h)als = salt. The plant is frequently consumed for its sour taste caused by the oxalic acid, particularly the flowering stalks of O. pes-caprae. In large quantities the oxalic acid inhibits digestion and in stock leads to the condition 'dikpens' or bloated belly.
Oxalis purpurea
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From the Latin purpureus = 'purple'
Oxalis zeyheri
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Named in honour of the renowned plant collector Carl (Karl) Ludwig Philipp Zeyher (1799-1858). One of South Africa's foremost botanical collectors who is synonymous with his collecting partner Ecklon. He began collecting in the Cape in 1822, undertook a major expedition to Kaffraria (the Eastern Cape) 1831-1832 and to the Transvaal from 1840-1842.
Pelargonium
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Gk. pelargos = a stork; referring to the beak of the fruit which resembles a stork’s bill (cf Geranium, Erodium).
Satyrium
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Referring to the two-horned satyr, a demigod in Greek mythology, half man, half goat; possibly from satyrion, a name used by Dioscorides and Pliny the Elder for an orchid, Aceras anthropophorum, from the presumed aphrodisiacal properties possessed by the plant. The satyrs were closely associated with Dionysius. The allusion is to the two-spurred lip.
Thesium
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Derivation uncertain. Gk. thes = a hired labourer. An ancient name for a species of Linaria, toad flax, used by Pliny the Elder. Georg Christian Wittstein traces this to the legendary hero Theseus, who slew the Minotaur and to whom Ariadne gave a wreath in which this plant was woven.
Trachyandra
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Gk. trachys = rough; andros = male. The thick filaments are usually hairy.
Ursinia
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Named in honour of Johann Ursinus of Regensburg, the author of Arboretum Biblicum. Sphenogyne R.Br. is not considered separable.
Watsonia
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For William Watson (1715–1787), English physician, apothecary, botanist and naturalist. He introduced the work of Linnaeus and his botanical classification system to Britain. He was the first scientist to observe the flash of light from the discharge of a Leyden jar and to show that electricity could pass through a vacuum and that it had a positive and negative charge; he coined the word ‘circuit’. His articles, entitled Experiments on the Nature of Electricity, appeared from 1745 onward in the Philosophical Transactions of the Royal Society, of which he became a member (1741) and vice president (1772). Both he and Benjamin Franklin discovered some of the same characteristics of electricity at the same time, but independently. The two men became friends.
Xiphotheca
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Gk. xiphos = sword; theka = case, capsule; referring to the shape of the pod.