Currently browsing: Items authored or edited by Colin Walker

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

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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.

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

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

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

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

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Walker, Colin (2020). Agave pablocarrilloi. New Zealand Cactus & Succulent Journal, 73(2) pp. 13–15.

Walker, Colin (2020). Beaucarnea Ruscaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants, 2 (2nd editio). Berlin: Springer Reference, pp. 1319–1328.

Walker, Colin (2020). Dasylirion Ruscaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants, 2 (2nd ed.). Berlin: Springer Reference, pp. 1329–1335.

Walker, Colin (2020). Dracaena Ruscaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants, 2. Berlin: Springer Reference, pp. 1337–1344.

Walker, Colin (2020). Nolina Ruscaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants, 2 (2nd ed.). Berlin: Springer Reference, pp. 1345–1351.

Walker, Colin (2020). Laxmanniaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants, 2 (2nd ed.). Berlin: Springer Reference, pp. 1293–1294.

Walker, Colin (2020). Cordyline Laxmanniaceae. In: Eggli, Urs and Nyffeler, Reto eds. Monocotyledons. Illustrated Handbook of Succulent Plants, 2 (2nd ed.). Berlin: Springer Reference, pp. 1295–1296.

Walker, Colin (2019). Two spectacularly spiny alluaudias. New Zealand Cactus & Succulent Journal, 72(3) pp. 5–8.

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

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

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

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.

Walker, Colin (2019). Foreword. In: Smith, Gideon F.; Figueiredo, Estrela and van Wyk, Abraham E. eds. Kalanchoe (Crassulaceae) in Southern Africa. London: Academic Press (Elsevier), ix-x.

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

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, 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.

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

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

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

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

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

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

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.

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

Walker, Colin (2005). A tale of two Arabian aloes. British Cactus & Succulent Journal, 23 pp. 175–179.

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 (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.

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.

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.

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.

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.

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 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. (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.

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