Literature

The list of literature:

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  • Bruyns, P. V. (1982b). Notes on Huernia namaquensis. Cact. Succ. J. Gr. Brit. 44: 83-86.
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  • Bruyns, P. V. (1989). Miscelaneous notes on Stapeliae. Bradleya 7: 66-67.
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  • Bruyns, P. V. (1993). A revision of Hoodia and Lavrania (Asclepiadaceae - Stapelieae). Botanische Jahrbücher fiir Systematik, 115: 145-270.
  • Bruyns, P. V. (1995). A re-assessment of the genera Tridentea Haw. and Tromotriche Haw. South African Journal of Botany, 61: 180-208.
  • Bruyns, P. V. (1999a). The relationships of Huerniopsis and Piaranthus (Apocynaceae Asclepiadoideae) with a critical revision of the species. Bot. Jahrb. Syst., 121 (3): 311-402.
  • Bruyns, P. V. (1999b). The systematic position of Quaqua (Apocynaceae Asclepiadoideae). Systematic Botany, 24: 379-397.
  • Bruyns, P. V. (1999c). A systematic assessment of Ophionella (Apocynaceae; Asclepiadoideae; Stapeliae). Bot. J. Linn. Soc., 131 (4): 383-398.
  • Bruyns, P. V. (2000). Baynesia, a New Genus of Stapeliad from the Northwestern-Most Corner of Namibia (Apocynaceae). Novon 10 (4): 354-358.
  • Bruyns, P. V. (2001). New combinations in the genus Orbea. Aloe 37 (4): 72-76.
  • Bruyns, P. V. (2002a). A Monograph of Orbea and Ballyanthus (Apocynaceae - Asclepiadoideae - Ceropegieae). Systematic Botany Monographs 63: 1-190.
  • Bruyns, P. V. (2002b). The Southern African genera of the stapeliads. Aloe 39 (3&4): 52-63.
  • Bruyns, P. V. (2002c). A new species of Stapeliopsis from Namaqualand and a new combination in Stapeliopsis (Apocynaceae - Asclepiadoideae - Ceropegieae). Aloe 39 (3&4): 80-82.
  • Bruyns, P. V. (2005). Stapeliads of Southern Africa and Madagascar. Umdaus Press, Hatfield, South Africa.
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  • Bruyns, P. V. (2010). Huernia humpatana (Apocynaceae), a new species from southern Angola. South African Journal of Botany 76: 585–587
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  • Bruyns, P. V., Meve U. (1995). The generic position of Caralluma dodsoniana (Asclepiadaceae). Edinburgh J. Bot. 52(2): 195–203.
  • Bruyns, P. V., Miller A. G. (2002). Socotrella, a New Genus of Stapeliad (Apocynaceae-Asclepiadoideae) from the Island of Socotra. Novon 12(3): 330-333.
  • Cels, F. (1866). Huernia thuretii. Hort. Franç.: 73-74, t. 3.
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  • Dioli, M. (2002). Two new species of Pseudolithos P. R. O. Bally (Apocynaceae; Asclepiadoideae) from the Horn of Africa. Kew Bull. 57: 985-988.
  • Dioli, M. (2003). Observations on two newly described species of Pseudolithos from the Horn of Africa: Pseudolithos gigas M. Dioli and Pseudolithos harardherianus M. Dioli. Cact. Succ. J. (U. S.) 75 (2): 56-59.
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  • Dyer, R. A., Hardy, D. S. (1968). The Relationship of Echidnopsis columnaris, A New Combination. Cact. Succ. J. (U. S.) 40 (5): 206-207.
  • Endlicher, S. L. (1838). Asclepiadaceae, Genera Plantarum, Vienna.
  • Field, D. V. (1980). A New Huernia (Asclepiadaceae) from Saudi Arabia, with Notes on Related Species. Kew Bull. 35 (4), 753-757.
  • Gilbert, M. G. (1975). The genus Huernia in Ethiopia. Cact. Succ. J. (U. S.) 47 (1): 6-13.
  • Gilbert, M. G. (1990). A review of Caralluma R. Br. and its segregates. Bradleya, 8: 1-32.
  • Gilbert, M. G. (1993). Notes on the Ceropegiae (Asclepiadaceae) of Ethiopia. Nordic J. Bot. 22 (2): 209.
  • Goyder, D. & Al-Hemaid F. M. A. (2009). The identity of the Saudi Arabian species Huernia haddaica Hemaid. Asklepios 106: 27-28.
  • Haworth A. H. (1812). Synopsis Plantarum Succulentarum. Taylor, London.
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  • Jahandiez, E., Maire, R. (1934). Catalogue des plantes du Maroc Vol. 3: 582.
  • Lamb, E., Lamb, B. M. (1958). Huernia hallii sp. nov. Natl. Cact. & Succ. J. 13: 57.
  • Lavranos, J. J. (1961). A new species of Huernia from Bauchi, Nigeria. J. S. African Bot. 27: 233-235.
  • Lavranos, J. J. (1963). Two new species of Huernia from South-Western Arabia. J. S. African Bot. 29: 97-101.
  • Lavranos, J. J. (1964). On a Huernia from Nigeria and a Caralluma from southwestern Arabia. J. S. African Bot. 30: 25.
  • Lavranos, J. J. (1971a). Notes on the succulent flora of northeast Africa and southern Arabia, part 1. Cact. Succ. J. (U. S.) 43 (1): 9-11.
  • Lavranos, J. J. (1971b). Notes on the succulent flora of northeast Africa and southern Arabia, part 2. Cact. Succ. J. (U. S.) 43 (2): 60-61.
  • Lavranos, J. J. (1982). A new species of Huernia (Asclepiadaceae) from Namies, Bushmanland, South Africa. Cact. Succ. J. (U. S.) 54 (3): 99-100.
  • Lavranos, J. J. (1993a). A new species of Caralluma (Asclepiadaceae-Stapeliae) from Somalia. Cact. Succ. J. (U. S.) 65 (5): 246-247.
  • Lavranos, J. J. (1993b): Two new species of Echidnopsis (Asclepiadaceae - Stapelieae) from Socotra; Cact. Succ. J. (U. S.) 65 (6), 293-295.
  • Lavranos, J. J. (1998). Angolluma lenewtonii A New Species from Northern Kenya, Asklepios 73, 15-16.
  • Lavranos, J. J. (1984). A new species of Pachycymbium (Asclepiadaceae: Stapelieae) from the north eastern Transvaal, Republic of South Africa. J. Cact. Succ. Soc. Amer 56 (5): 196-197.
  • Lavranos, J. J., Bleck, M. B. (1985). Notechidnopsis – a new stapeliad genus from South Africa. Cact. Succ. J. (U. S.) 57 (6): 253-257.
  • Lavranos, J. J., Mies, B. A. (2001). Pseudolithos mccoyi (Asclepiadaceae-Stapelieae) a Significant New Species from the Sultanate of Oman. Asklepios 82: 27-30.
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  • Leach, L. C. (1975). The lectotype species of Stapelia L. and the reinstatement of Orbea Haw. (Asclepiadaceae). Kirkia 10: 287-291.
  • Leach, L. C. (1976). A preliminary review of the prominently papillose Huernia species (Asclepiadaceae). J. S. African Bot. 42 (4): 439-487.
  • Leach, L. C. (1978). A contribution towards a new classification of Stapelieae (Asclepiadaceae) with a preliminary review of Orbea Haw. and descriptions of three new genera. Excelsa Taxonomic Series, 1: 1-75.
  • Leach, L. C. (1980). A revision of Tridentea Haw. (Asclepiadaceae). Excelsa Taxonomic Series, 2: 1-68.
  • Leach, L. C. (1984). A revision of Tromotriche Haw. (Asclepiadaceae). South African Journal of Botany, 50: 549-562.
  • Leach, L. C. (1985). A revision of Stapelia L. (Asclepiadaceae). Excelsa Taxon. Ser. 3: 1-157.
  • Leach, L. C. (1986). The identity of Huernia concinna, Excelsa 12: 94-97.
  • Leach, L. C. (1988). A revision of Huernia R. Br. (Asclepiadaceae). Excelsa Taxon. Ser. 4: 1-197.
  • Leach, L. C., Lavranos, J. J. (1963). A new species of Huernia from Mozambique. Kirkia 3: 38-40.
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  • Masson, F. (1796). Stapelieae Novae. London.
  • McCoy, T. A. (2003a). Echidnopsis oviflora T. A. McCoy und Echidnopsis specksii T. A. McCoy zwei bemerkenswerte neue Arten aus Ost-Afrika. Kakteen und andere Sukkulenten, 54 (8): 211-216.
  • McCoy, T. A. (2003b). Rhytidocaulon splendidum McCoy , a new species from southestern Yemen. Cactus and succulent journal (U. S.), 75 (4): 154-157.
  • McCoy, T. A., Orlando, G., (2003). Echidnopsis fartaqensis, a new species from southestern Yemen. Cactus and succulent journal (U. S.), 75 (3): 115-119.
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  • Meve, U., (1997). The genus Duvalia (Stapelieae). Springer-Verlag, Vienna.
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  • Mottram, R. (1996). The generic name Stapelia with conserved type. Asklepios 68: 35-36.
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  • Nel, G. C. (1935b). Caralluma umdausensis Nel sp. nova. Jahrb. Deutsch. Kakteen-Ges. 1: 22-23.
  • Nel, G. C. (1935c). Caralluma serpentina Nel sp. nova. Jahrb. Deutsch. Kakteen-Ges. 1: 23-24.
  • Nel, G. C. (1935d). Caralluma peschii Nel sp. nova. Jahrb. Deutsch. Kakteen-Ges. 1: 41-42.
  • Newton, L. E. (1993). A new stapeliad species from Tanzania, with comments on the status of the "ango-group" of Caralluma. J. Cact. Succ. Soc. Amer. 65: 196-199.
  • Newton, L. E. (1998). Two new stapeliads in Kenya. Asklepios 74: 23-25.
  • Newton, L. E., Lavranos, J. J. (1993). Huernia rosea: A new species from the Yemen. Cactus and succulent journal (U. S.), 65 (6): 279-280.
  • Niemeier, W. (2002). Vorgestellt: Frerea indica Dalzell, Synonym: Caralluma frerei Rowley. 8. Info-Brief der IG Ascleps. 10.
  • Orlando, G. & El Azzouni, M. (2014). Huernia pulchra, a new species from Somaliland (Northern Somalia). CactusWorld, 32 (2) 89-93.
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  • Plowes, D. C. H. (1993c). A New Account of Echidnopsis Hook. F. (Asclepiadaceae: Stapelieae). Haseltonia 1: 65-85.
  • Plowes, D. C. H. (1993d). Two New Stapeliads from Namibia, and Variation in Hodddia gordonii. Brit. Cact. Succ. J. 11(2): 56-59.
  • Plowes, D. C. H. (1993d). Anomalluma Plowes: A new generic name for Caralluma dodsoniana Lavranos (Stapelieae: Asclepiadaceae). Cactus and succulent journal (U. S.) 65 (4): 167-168.
  • Plowes, D. C. H. (1995a). Two new maroon-flowered species of Huernia R. Br. (Stapeliae: Asclepiadaceae). Asklepios 64: 20-22.
  • Plowes, D. C. H. (1995b). A reclassification of Caralluma R. Br. (Stapelieae: Asclepiadaceae). Haseltonia 3: 49-70.
  • Plowes, D. C. H. (1996a). The delineation of genera in the stapeliads. Aloe 33 (2 & 3): 34-40.
  • Plowes, D. C. H. (1996b). The distribution of succulent flora adjacent to the Red Sea. Aloe 33 (2 & 3): 67-70.
  • Plowes, D. C. H. (1996c). Larryleachia and Hoodia (Stapelieae: Asclepiadaceae): some new nomenclatural proposals. Excelsa 17: 3-28.
  • Plowes, D. C. H. (1996d). The nomenclatural status and typification of Desmidorchis Ehrenberg. Excelsa 17:  69-78.
  • Plowes, D. C. H. (2003a). Huernia mccoyi Plowes, a new asclepiad from western Yemen. Cactus and succulent journal (U. S.) 75 (2): 81-83.
  • Plowes, D. C. H. (2003b). An examination of Stapeliopsis Pillans, Pectinaria Haw., and Ophionella Bruyns. Excelsa 20: 1-20.
  • Plowes, D. C. H. (2007a). Caralluma darfurensis Plowes sp. nov. – An intriguing new stapeliad from Sudan
    (Asclepiadoideae – Ceropegieae). Excelsa 21: 7-8, 10.
  • Plowes, D. C. H. (2007b). Two new stapeliads from Yemen. Excelsa 21: 9-14.
  • Plowes, D. C. H. (2008a). Pleuralluma Plowes, a new name for a unique Somali stapeliad. CactusWorld 26 (2): 97-99.
  • Plowes, D. C. H. (2008b). Stapeliads of Senegal. CactusWorld 26 (3): 151-158.
  • Plowes, D. C. H. (2008c). Angolluma taitica (Bruyns) Plowes comb. nov. Asklepios 103: 3-4.
  • Plowes, D. C. H. (2009a). The Transkei Orbea Saga. Asklepios 105: 9-18.
  • Plowes, D. C. H. (2009b). White-sloanea crassa (N. E. Br.) Chiov. - A remarkable stapeliad. Asklepios 106: 3-8.
  • Plowes, D. C. H. (2010). When is a Caralluma not a Caralluma? Asklepios 107: 3-22.
  • Plowes, D. C. H. (2012). New taxa in Huernia saudi-arabica complex. Asklepios 114: 3-15.
  • Plowes, D. C. H. (2013a). Caudanthera baradii (Lavranos & Newton) Plowes – a new rank and genus for a Yemeni stapeliad. Cact. & Succ. J. (U.S) 85 (2): 68-71.
  • Plowes, D. C. H. (2013b). Changes to Indian stapeliad genera:  Hutchinia Wight, and Pendulluma Plowes. CactusWorld 31 (2): 99-104.
  • Plowes, D. C. H. (2013c). Angolluma kulalensis Plowes – an overlooked new stapeliad from Kenya. CactusWorld 31 (3): 209-211.
  • Plowes, D. C. H. (2013d). Echidnopsis kohaitoensis Plowes sp. nov. – A new stapeliad from Eritrea. CactusWorld 31 (3): 213-215.
  • Plowes, D. C. H. (2013e). Ballyanthus major Plowes - solving a Somali stapeliad conundrum. CactusWorld 31 (4): 283-291.
  • Plowes, D. C. H. (2013f). Some New Name Combinations in the Stapeliads – Part 1. Asklepios 116: 3-25.
  • Plowes, D. C. H. (2013g). Orbea – an overview of its taxonomy and a list of included species. Bradleya 31: 159-164.
  • Plowes, D. C. H. (2014a). Small flowered Afro-Arabian species of Huernia. Haseltonia 19: 66–88.
  • Plowes, D. C. H. (2014b). Some New Name Combinations in the Stapeliads – Part 2. Asklepios 118: 5-18.
  • Plowes, D. C. H. (2014c). Piaranthus and Huerniopsis – investigating the taxonomy of a controversial complex. Bradleya 32: 118-144.
  • Plowes, D. C. H. (2014d). Pectinaria erinacea Plowes – a new stapeliad from the Northern Cape Province. Aloe 51 (1): 25-27.
  • Plowes, D. C. H. (2014e). Crenulluma collenetteae Plowes. CactusWorld 32 (4): 295-297.
  • Plowes, D. C. H., McCoy, T. A. (2003). Huernia khalidbinsultanii, a new species from the Kingdom of Saudi Arabia. Cactus and succulent journal (U. S.), 75 (1): 19-21.
  • Plowes, D. C. H., McCoy, T. A. (2008). Angolluma doddsiae Plowes & T. A. McCoy sp. nov. A new stapeliad from Kenya. Asklepios 103: 9-17.
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