Is leaf pubescence of Cape Proteaceae a xeromorphic or radiation-protective trait?

Australian Journal of Botany

Volumn 60, Issue 2, 2012, Pages 104-113

  Skelton, R P ^a   Midgley, J J ^a   Nyaga, J M ^a   Johnson, S D ^b   Cramer, M D ^a,c  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

^b UNIVERSITY OF KWAZULU NATAL   (South Africa)

^c UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY LAYER; CAPE FLORISTIC REGION; DICOTYLEDON; DROUGHT RESISTANCE; GAS EXCHANGE; GRAVIMETRY; HEAT FLUX; LEAF AREA; MORPHOTYPE; PHOTOCHEMISTRY; PHOTOINHIBITION; RAINFALL; STOMATA; SURFACE REFLECTANCE; TEMPERATURE EFFECT; WATER STRESS;

LEUCOSPERMUM CONOCARPODENDRON; PROTEACEAE;

EID: 84859410494     PISSN: 00671924     EISSN: None     Source Type: Journal    
DOI: 10.1071/BT11231     Document Type: Article

References (41)

1. Allsopp N, Stock WD (1994) VA mycorrhizal infection in relation to edaphic characteristics and disturbance regime in three lowland plant communities in the south-western Cape, South Africa. Journal of Ecology 82, 271-279. doi:10.2307/2261295
2. Benz BW, Martin CE (2006) Foliar trichomes, boundary layers, and gas exchange in 12 species of epiphytic Tillandsia (Bromeliaceae). Journal of Plant Physiology 163, 648-656. doi:10.1016/j.jplph.2005.05.008
3. Benzing DH, Henderson K, Kessel B, Sulak J (1976) The absorptive capacities of Bromeliad trichomes. American Journal of Botany 63, 1009-1014. doi:10.2307/2441760
4. Brodribb TJ, McAdam SAM, Jordan GJ, Feild TS (2009) Evolution of stomatal responsiveness to CO2 and optimisation of water-use efficiency among land plants. New Phytologist 183, 839-847. doi:10.1111/j.1469-8137.2009.02844.x
5. Close DC, McArthur C (2002) Rethinking the role of many plant phenolics -protection from photodamage not herbivores? Oikos 99, 166-172. doi:10.1034/j.1600-0706.2002.990117.x
6. Close DC, Davidson NJ, Shields CB, Wiltshire R (2007) Reflectance and phenolics of green and glaucous leaves of Eucalyptus urnigera. Australian Journal of Botany 55, 561-567. doi:10.1071/BT06037
7. Ehleringer J (1984) Ecology and ecophysiology of leaf pubescence in North American desert plants. In 'Biology and chemistry of plant trichomes'.(Eds E Rodriguez, PL Healey, I Mehta) pp. 113-132. (Plenum Press: New York)
8. Ehleringer J, Mooney HA (1978) Leaf hairs: Effects on physiological activity and adaptive value to a desert shrub. Oecologia 37, 183-200. doi:10.1007/BF00344990
9. Ehleringer J, Björkman O, Mooney HA (1976) Leaf pubescence: Effects on absorptance and photosynthesis in a desert shrub. Science 192, 376-377. doi:10.1126/science.192.4237.376
10. Farquhar GD, Ehleringer JR, Hubick KT (1989) Carbon isotope discrimination and photosynthesis. Annual Review of Plant Physiology and Plant Molecular Biology 40, 503-537. doi:10.1146/annurev.pp.40.060189.002443
11. Franks PJ, Beerling DJ (2009) Maximum leaf conductance driven by CO2 effects on stomatal size and density over geologic time. Proceedings of the National Academy of Sciences of the United States of America 106, 10343-10347. doi:10.1073/pnas.0904209106
12. Galley C, Linder HP, Zimmermann NE (2009) Pentaschistis (Poaceae) diversity in the Cape Mediterranean region: Habitat heterogeneity and climate stability. Global Ecology and Biogeography 18, 586-595. doi:10.1111/j.1466-8238. 2009.00468.x
13. Galmés J, Medrano H, Flexas J (2007) Photosynthesis and photoinhibition in response to drought in a pubescent (var. minor) and a glabrous (var. palaui) variety of Digitalis minor. Environmental and Experimental Botany 60, 105-111. doi:10.1016/j.envexpbot.2006.08.001
14. Hassiotou F, Evans JR, Ludwig M, Veneklaas EJ (2009) Stomatal crypts may facilitate diffusion of CO2 to adaxial mesophyll cells in thick sclerophylls. Plant, Cell & Environment 32, 1596-1611. doi:10.1111/j.1365-3040.2009.02024. x
15. Johnson HB (1975) Plant pubescence: An ecological perspective. Botanical Review 41, 233-258. doi:10.1007/BF02860838
16. Jordan GJ, Dillon RA, Weston PH (2005) Solar radiation as a factor in the evolution of scleromorphic leaf anatomy in Proteaceae. American Journal of Botany 92, 789-796. doi:10.3732/ajb.92.5.789
17. Jordan GJ, Weston PH, Carpenter RJ, Dillon RA, Brodribb TJ (2008) The evolutionary relations of sunken, covered, and encrypted stomata to dry habitats in Proteaceae. American Journal of Botany 95, 521-530. doi:10.3732/ajb.2007333
18. Kramer PJ, Boyer JS (1995) 'Water relations of plants and soils.' (Academic Press: San Diego)
19. Lamont BB, Groom PK, Cowling RM (2002) High leaf mass per area of related species assemblages may reflect low rainfall and carbon isotope discrimination rather than low phosphorous and nitrogen concentrations. Functional Ecology 16, 403-412. doi:10.1046/j.1365-2435.2002.00631.x
20. Linder HP (2003) The radiation of the Cape flora, southern Africa. Biological Reviews of the Cambridge Philosophical Society 78, 597-638. doi:10.1017/S1464793103006171
21. Martin TA, Hinckley TM, Meinzer FC, Sprugel DG (1999) Boundary layer conductance, leaf temperature and transpiration of Abies amabilis branches. Tree Physiology 19, 435-443.
22. Maxwell K, JohnsonGN(2000) Chlorophyll fluorescence - a practical guide. Journal of Experimental Botany 51, 659-668. doi:10.1093/jexbot/51.345.659
23. Meinzer F, Goldstein G (1985) Some consequences of leaf pubescence in the Andean giant rosette plant Espeletia timotensis. Ecology 66, 512-520. doi:10.2307/1940399
24. Mozafar A, Goodin JR (1970) Vesiculated hairs: A mechanism for salt tolerance in Atriplex halimus L. Plant Physiology 45, 62-65. doi:10.1104/pp.45.1.62
25. Nishiyama Y, Allakhverdiev SI, Murata N (2006) A new paradigm for the action of reactive oxygen species in the photoinhibition of photosystem II. Biochimica et Biophysica Acta - Bioenergetics 1757, 742-749. doi:10.1016/j.bbabio.2006.05.013
26. Nobel PS (2005) 'Physicochemical and environmental plant physiology.'(Elsevier Academic Press: Amsterdam)
27. Prochȩs ̧S , Cowling RM, du PreezDM(2005) Patterns of geophyte diversity and storage organ size in the winter-rainfall region of southern Africa. Diversity & Distributions 11, 101-109. doi:10.1111/j.1366- 9516.2005.00132.x
28. Rebelo T (2001) 'Proteas: A field guide to the proteas of southern Africa.'(Fernwood Press: Cape Town)
29. Richardson DM, Cowling RM, Bond WJ, Stock WD, Davis GW (1995) Links between biodiversity and ecosystem function in the Cape Floristic Region. In Mediterranean-type ecosystems: The function of biodiversity (Eds GW Davis, DM Richardson). pp. 285-333. (Springer-Verlag: Berlin)
30. Ripley BS, Pammenter NW, Smith VR (1999) Function of leaf hairs revisited: The hair layer on leaves of Arctotheca populifolia reduces photoinhibition, but leads to higher leaf temperatures caused by lower transpiration rates. Journal of Plant Physiology 155, 78-85. doi:10.1016/S0176-1617(99)80143-6
31. Rotondi A, Rossi F, Asunis C, Cesaraccio C (2003) Leaf xeromorphic adaptations of some plants of a coastal Mediterranean macchia ecosystem. Journal of Mediterranean Ecology 4, 25-35.
32. Rourke JP (1972) Taxonomic studies on Leucospermum R.Br. Journal of South African Botany 8(Suppl), 1-194.
33. Schuepp PH (1993) Tansley Review no. 59. Leaf boundary layers. New Phytologist 125, 477-507. doi:10.1111/j.1469-8137.1993.tb03898.x
34. Schulze RE (1997) 'South African atlas of agrohydrology and climatology.'(Water Research Commission: Pretoria)
35. Skaltsa H, Verykokidou E, Harvala C, Karabourniotis G, Manetas Y (1994) UV-B protective potential and flavonoid content of leaf hairs of Quercus ilex. Phytochemistry 37, 987-990. doi:10.1016/S0031-9422(00)89514-x
36. Smith M (1986) Camp's Bay reservoir revegetation. Honours Thesis, University of Cape Town.
37. Thimijan RW, Heins RD (1983) Photometric, radiometric, and quantum light units of measure: A review of procedures for interconversion. HortScience 18, 818-822.
38. Turner IM (1994) Sclerophylly: Primarily protective? Functional Ecology 8, 669-675. doi:10.2307/2390225
39. Verboom GA, Linder HP, Stock WD (2004) Testing the adaptive nature of radiation: Growth form and life history divergence in the African grass genus Ehrharta (Poaceae: Ehrhartoideae). American Journal of Botany 91, 1364-1370. doi:10.3732/ajb.91.9.1364
40. Witkowski ETF, Mitchell DT (1987) Variations in soil phosphorous in the Fynbos biome, South Africa. Journal of Ecology 75, 1159-1171. doi:10.2307/2260320
41. Wuenscher JE (1970) The effect of leaf hairs of Verbascum thapsus on leaf energy exchange. New Phytologist 69, 65-73.