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Items Authored or Edited by Colin Walker

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Number of items: 117.

Walker, Colin (2019). Agave lophantha. New Zealand Cactus & Succulent Journal, 72(2) pp. 15–17. file

Walker, Colin (2019). Kalanchoe arborescens - a Madagascan giant. Sedum Society Newsletter(130) pp. 81–84. file

Walker, Colin (2019). Aloe elegans - an Ethiopian/Eritrean endemic? Haworthiad, 33(2) pp. 32–37. file

Walker, Colin C.; Smith, Gideon F. and Figueiredo, Estrela (2019). Notes on the taxonomy, iconography, and ecology of Aloe pluridens Haw. (Asphodelaceae: Alooideae), an endemic species from southeastern South Africa. Bradleya, 37 pp. 60–72. file

Walker, Colin C. (2019). Two shrubby Madagascan kalanchoes. New Zealand Cactus & Succulent Journal, 72(1) pp. 5–9. file

Walker, Colin; Smith, G.F.; Crouch, N.R. and Condy, Gillian (2019). Caputia tomentosa. Flowering Plants of Africa, 66 pp. 168–178. file

Walker, Colin C. and Mace, Suzanne (2019). Aloe erensii, Aloe jucunda and a new cultivar. CactusWorld, 37(1) pp. 13–19. file

Walker, Colin; Smith, G.F.; Figueiredo, E.; Klopper, R.R.; Crouch, N.R. and Condy, Gillian (2019). Aloidendron barberae. Flowering Plants of Africa, 66 pp. 8–21. file

Walker, Colin C. (2018). Flowering of Agave nickelsiae. CactusWorld, 36(4) pp. 290–291. file

Walker, Colin C. (2018). Two rare Bolivian endemic cacti. New Zealand Cactus & Succulent Journal, 71(3) pp. 14–17. file

Walker, Colin (2018). Beaucarnea RUSCACEAE. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants. Berlin, etc.: Springer Verlag.

Walker, Colin (2018). Nolina RUSCACEAE. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants. Berlin: Springer Verlag.

Walker, Colin C. (2018). Aloe littoralis - a review of this widespread African species. Haworthiad, 32(3) pp. 60–64. file

Walker, C. C. (2018). Dracaena RUSCACEAE. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants (SUCCPLANTS). Springer Verlag.

Walker, Colin (2018). Cordyline LAXMANNIACEAE. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants. Berlin: Springer Verlag. restricted access item, not available for direct download

Walker, Colin (2018). Laxmanniaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants. Berlin: Springer Verlag. restricted access item, not available for direct download

Walker, Colin (2018). Dasylirion (Ruscaceae). In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants. Berlin: Springer Verlag. restricted access item, not available for direct download

Walker, Colin C. (2018). Two choice African Sansevierias: S. hargeisana and S. hallii. New Zealand Cactus & Succulent Journal, 71(2) pp. 4–8. file

Walker, Colin C. (2018). Guest editorial. CactusWorld, 36(2) p. 88. file

Walker, Colin C. and Vanden Bon, Alice (2018). Aloe pearsonii - a unique species in habitat and in cultivation. CactusWorld, 36(1) pp. 33–40. file

Walker, Colin C. (2018). Echinocereus pensilis updated. New Zealand Cactus & Succulent Journal, 71(1) pp. 14–15. file

Walker, Colin (2018). Stapelia gigantea - "der Goliath dieser Gattung". Avonia, 36(2) pp. 124–125. filefile

Walker, Colin C. (2018). The stapeliads of Philip Miller at the Chelsea Physic Garden. Asklepios, 125 pp. 12–17. restricted access item, not available for direct download

Walker, Colin C. (2017). Two stapelias: Stapelia gigantea and S. schinzii var. angolensis. New Zealand Cactus & Succulent Journal, 70(3) pp. 6–8. file

Walker, Colin (2017). Two architectural agaves: A. victoriae-reginae and A. nickelsiae. Cactus and Succulent Journal of NSW, 31(1) pp. 9–13. file

Walker, Colin C. (2017). Aloe tomentosa – eine Art mit ungewöhnlichen, behaarten Blüten aus dem Jemen. Sukkulenten, 103(7-8) pp. 29–37. file

Walker, Colin C. (2017). Introducing the genus Phedimus. New Zealand Cactus & Succulent Journal, 70(2) pp. 4–7. file

Walker, Colin C. (2017). A tale of two Ethiopian aloes: Aloe jacksonii & A. elkerriana. Haworthiad, 31(2) pp. 31–32. file

Walker, Colin C. (2017). Aloe mitriformis subsp. distans: the small mitre aloe. New Zealand Cactus and Succulent Journal, 70(1) pp. 4–7. file

Walker, Colin C. (2017). Aloe pulcherrima - a beautiful Ethiopian endemic. CactusWorld, 35(2) pp. 131–135. file

Walker, Colin C. (2017). A new intergeneric hybrid: xGastonialoe 'Gordon Rowley'. CactusWorld, 35(1) pp. 21–22. file

Walker, Colin C. (2017). Agave victoriae-reginae and its close relatives. CactusWorld, 35(3) pp. 159–166. file

Walker, Colin C. (2017). My first flowering of Aloe reynoldsii. Haworthiad, 31(3) pp. 70–71. file

Walker, Colin C. (2017). CactusTalk: More dragon tree tales. CactusWorld, 35(4) pp. 287–288. file

Walker, Colin (2016). Aloe tomentosa - a species with unusual hairy flowers from the Yemen. CactusWorld, 34(3) pp. 153–158. file

Walker, Colin (2016). Aloe vera on Lanzarote. New Zealand Cactus & Succulent Journal, 69(2) pp. 20–23. file

Walker, Colin C. (2016). A couple of Curios. Northants News, 27(1) pp. 5–7. file

Walker, Colin (2015). Beaucarnea updated. CactusWorld, 33(4) pp. 267–272. file

Walker, Colin and Smith, Gideon F. (2015). Eric Judd - South African Aloe artist. CactusWorld, 33(1) pp. 59–63. restricted access item, not available for direct download

Walker, C. C.; Klopper, R. R.; Smith, G. F. and Condy, Gillian (2015). Aloe succotrina (Asphodelaceae). Flowering Plants of Africa, 64 pp. 26–40. file

Walker, Colin (2015). The origin and predominance of Aloe vera. CactusWorld, 33(4) pp. 276–277. file

Walker, Colin (2015). Dasylirion wheeleri. Northants News, 26(3) pp. 7–8. file

Walker, Colin (2014). Aloe hardyi - a rare South African cremnophyte. CactusWorld, 32(4) pp. 289–292. restricted access item, not available for direct download

Walker, Colin (2014). More changes in Haworthia. CactusWorld, 32(4) p. 304. restricted access item, not available for direct download

Walker, Colin (2014). More change in Aloe, Haworthia and their close relatives. CactusWorld, 32(2) pp. 138–139. restricted access item, not available for direct download

Walker, Colin (2014). All change in Dracaena and Sansevieria. CactusWorld, 32(2) pp. 140–141. restricted access item, not available for direct download

Walker, Colin (2014). All change in Aloe and Haworthia. Cactus and Succulent Journal of NSW, 29(4) pp. 78–80. restricted access item, not available for direct download

Walker, Colin and Thorburn, Marjorie (2014). The World's biggest cactus flowers. Northants News, 25(3) pp. 12–13. restricted access item, not available for direct download

Walker, Colin (2014). Aloe cremnophila and Aloe jacksonii - cliff-dwellers from the Horn of Africa. Northants News, 25(2) pp. 14–16. file

Walker, Colin (2013). All change in Aloe and Haworthia. CactusWorld, 31(4) p. 297. restricted access item, not available for direct download

Walker, Colin (2013). Two Kenyan sansevierias of Peter Bally. Northants News, 24(2) pp. 6–7. restricted access item, not available for direct download

Walker, Colin (2012). A cholla cactus and a grasshopper. CactusWorld, 30(4) pp. 233–234. restricted access item, not available for direct download

Walker, Colin (2011). Agaves through the ages. Cactus and Succulent Journal of NSW, 27(8) pp. 153–156.

Walker, Colin (2011). The name game. Cactus and Succulent Journal of NSW, 27(8) pp. 170–177.

Walker, Colin (2011). Macaronesian memories. The succulents of the Canary Islands, Morocco and Madeira. Cactus and Succulent Journal of NSW, 27(8) pp. 182–186.

Smith, G.F.; Walker, Colin and Figueiredo, E. (2011). What's in a name: an update on epithets used in Aloe L. (Asphodelaceae). Bradleya, 29 pp. 179–181. file

Carter, S.; Lavranos, J. J.; Newton, L. E. and Walker, C. C. (2011). Aloes – The definitive guide. London: Kew Publishing in association with the British Cactus and Succulent Society.

Walker, Colin (2011). Foreword. In: Craib, Charles and Lavranos, John eds. The Bushman Candles. Bryanston, South Africa: Penrock Publications, x-xi. file

Walker, Colin (2010). Gilbert Westacott Reynolds: his study of Aloe and a bibliography of his work. Bradleya, 28, pp. 111–124. restricted access item, not available for direct download

Walker, Colin (2009). Editorial: Darwin and Kew anniversaries. Bradleya, 27 pp. 1–2. file

Walker, Colin (2008). A new name in Monsonia. CactusWorld, 26(4) pp. 248–249. restricted access item, not available for direct download

Walker, Colin C. (2008). Brachystelma bracteolatum Meve a rare Nigerian endemic. Asklepios, 103 pp. 19–22. restricted access item, not available for direct download

Walker, Colin C. (2007). Bradleya 25 and the Linnaean legacy. Bradleya, 25 pp. 1–8. restricted access item, not available for direct download

Walker, Colin (2005). A tale of two Arabian aloes. British Cactus & Succulent Journal, 23 pp. 175–179. restricted access item, not available for direct download

Walker, Colin C. (2005). xTavarorbea - another intergeneric hybrid stapeliad. Asklepios(92) pp. 7–8.

Walker, Colin (2004). Two succulent aroids. British Cactus & Succulent Journal, 22 pp. 185–187.

Walker, Colin (2004). A new intergeneric hybrid stapeliad. New Zealand Cactus & Succulent Journal, 57(4) 103-107 + cover.

Walker, Colin (2004). A history of succulent exploration in East and North-East Africa. In: The Succulent Plan Easte. restricted access item, not available for direct download

Walker, Colin (2003). Crassulaceae (Umbilicus). In: Eggli, Urs ed. Crassulaceae. Illustrated Handbook of Succulent Plants (6). Berlin: Springer-Verlag, pp. 364–367.

Walker, Colin (2002). James Harvey Callander and his rare publication: Cactus Culture for Amateurs (1906). Cactus and Succulent Journal (US), 74(3) pp. 121–126.

Walker, Colin (2002). Asteraceae (Baeriopsis). In: Eggli, Urs ed. Dicotyledons. Illustrated Handbook of Succulent Plants, 4. Berlin: Springer-Verlag, p. 20.

Walker, Colin (2002). Bombacaceae (Adansonia, Cavanillesia, Ceiba, Pseudobombax). In: Eggli, Urs ed. Dicotyledons. Illustrated Handbook of Succulent Plants (4). Berlin: Springer-Verlag, pp. 48–52.

Walker, Colin (2002). Oxalidaceae (Oxalis). In: Eggli, Urs ed. Dicotyledons. Illustrated Handbook of Succulent Plants. Berlin: Springer-Verlag, pp. 333–336.

Walker, Colin (2002). Urticaceae (Laportea, Obetia, Pilea). In: Eggli, Urs ed. Dicotyledons. Illustrated Handbook of Succulent Plants (4). Berlin: Springer-Verlag, pp. 447–450.

Walker, Colin (2002). Urticaceae (Laportea, Obetia, Pilea). In: Eggli, Urs ed. Zweikeimblaettrige Pflanzen (Dicotyledonen). Sukkulenten-Lexikon, 2. Stuttgart: Verlag Eugen Ulmer, pp. 478–480.

Walker, Colin (2001). Introducing the Nolinaceae. British Cactus & Succulent Journal, 19(4) pp. 214–221.

Smith, Gideon F. and Walker, Colin C. (2001). The botanical paintings of Mary Maud Page. Bradleya, 19 p. 124.

Walker, Colin (2001). Dracaenaceae (Cordyline, Dracaena). In: Eggli, Urs ed. Monocotyledons. Illustrated Handbook of Succulent Plants (1). Berlin: Springer-Verlag, pp. 258–261.

Walker, Colin (2001). Nolinaceae (Beaucarnea, Calibanus, Dasylirion, Nolina). In: Eggli, Urs ed. Monocotyledons. Illustrated Handbook of Succulent Plants (1). Berlin: Springer-Verlag, pp. 286–292.

Walker, Colin C. (2000). Canaries and kasbahs - the succulents of the Canary Islands and Morocco - Part 2. New Zealand Cactus & Succulent Journal, 53(3) pp. 70–77.

Walker, Colin C. (2000). Canaries and kasbahs - the succulents of the Canary Islands and Morocco. New Zealand Cactus & Succulent Journal, 53(2) pp. 36–49.

Walker, Colin C. and Downs, Philip E. (2000). John Medley Wood's Natal Asclepiads. Asklepios(79) pp. 3–9.

Walker, Colin C. (2000). Agave attenuata and some new cultivars. British Cactus & Succulent Journal, 18(2) pp. 95–98.

Walker, Colin (1999). Arabian asclepiads of Albert Deflers. Asklepios(76) pp. 23–32.

Walker, Colin (1999). A tale of dragons - the pachycaul species of Dracaena. British Cactus & Succulent Journal, 17(4) pp. 171–177.

Smith, G.F.; Walker, Colin and Condy, G. (1999). Senecio rowleyanus. Flowering Plants of Africa, 56 116-120, t.2160.

Walker, Colin (1997). A question of balance: when is a Caralluma a Caralluma and not a Caudanthera? Asklepios(72) pp. 12–13.

Walker, Colin (1997). A.A. Bullock and his asclepiad studies. Asklepios(72) pp. 20–24.

Walker, Colin (1997). Van Rheede and the first Ceropegia. Asklepios(71) pp. 26–34.

Burston, Colin; Martin, Ralph and Walker, Colin (1997). Obetia ficifolia - a pachycaul stinging nettle. British Cactus & Succulent Journal, 15(1) pp. 2–6.

Walker, Colin C. (1996). James Donn and the succulents of 'Hortus Cantabrigiensis'. Bradleya, 14 pp. 20–28.

Walker, Colin (1994). Echeveria setosa var. deminuta. British Cactus & Succulent Journal, 12(3) pp. 90–91.

Walker, Colin (1994). Robert Brown's contributions to asclepiad study. Asklepios(62) 20-34, plate 1.

Walker, Colin C. (1994). Frederick Scheer (1792-1868) of Kew. Kew Magazine, 11(2) pp. 74–81.

Walker, Colin (1994). Sansevierias make scents. British Cactus & Succulent Journal, 12 p. 92.

Jonkers, Bert and Walker, Colin C. (1993). The Asclepiads of Morocco - a short commentary. Asklepios(59) pp. 14–21.

Walker, Colin (1993). Pilea peperomioides - a Chinese member of the stinging nettle family. British Cactus & Succulent Journal, 11(4) pp. 98–99.

Walker, Colin (1992). A note on the Carallumas of Jordan. Asklepios(55) pp. 17–19.

Prendergast, Hew D.V. and Walker, Colin C. (1992). The argan - multipurpose tree of Morocco. Kew Magazine, 9(2) pp. 76–85.

Walker, Colin C. (1991). Aloe dumetorum Mathew & Brandham - a dwarf Kenyan endemic. British Cactus & Succulent Journal, 9(2) pp. 28–31.

Walker, C. C. and Thorburn, M. (1991). Kleinia (Senecio) anteuphorbium (L.)Haw. - a Moroccan endemic. Aloe, 28(1) pp. 18–22.

Walker, Colin C. (1990). Pelargonium ceratophyllum L'Herit: the antler-leaved stork's bill. British Cactus & Succulent Journal, 8 pp. 84–86.

Walker, Colin (1990). Trichosacme lanata Zucc. - a woolly Mexican asclepiad. Asklepios, 51 pp. 56–59.

Walker, Colin C. (1988). Cussonia paniculata: the mountain cabbage tree. British Cactus & Succulent Journal, 6(4) pp. 98–100.

Walker, C. C. (1988). xBrachypelia: a novel intergeneric hybrid. Asklepios, 43 pp. 83–86.

Walker, Colin C. and Thorburn, Marjorie (1987). The euphorbias of Gran Canaria, Canary Islands. The Euphorbia Journal, 4 pp. 32–47.

Walker, C. C. (1987). Pelargonium crassicaule L'Herit. Aloe, 24(2) pp. 32–34.

Walker, Colin (1987). Dischidia - an obscure organism? Asklepios, 40 pp. 75–80.

Walker, Colin (1986). More on Dischidia. Asklepios, 38 pp. 11–13.

Walker, Colin C. (1985). Adenia glauca: a 'lump' with an interesting life-style. British Cactus & Succulent Journal, 3(1) pp. 18–20.

Walker, C. C. (1985). Dischidia: an introduction to asclepiad ant plants. Asklepios, 35 pp. 3–11.

Walker, C. C. (1984). Cremnophila nutans: A Sedum under another name? British Cactus & Succulent Journal, 2(4) pp. 100–103.

Walker, C.C. (1983). Sarcostemma: leafless succulent lianas. Asklepios, 29 pp. 18–21.

Walker, C.C. (1983). The ciliated Orbea. Asklepios, 27 pp. 59–63.

Walker, C. C. (1982). Brachystelma: an introduction and checklist. Asklepios, 25 pp. 92–106.

Walker, Colin (1981). A new name in Brachystelma. Asklepios, 24 pp. 66–67.

Walker, Colin (1980). More on Tridentea Haw. Asclepiadaceae, 20 pp. 7–10.

This list was generated on Fri Aug 23 20:26:41 2019 BST.

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