Covariation of flower traits and bird pollinator assemblages among populations of Kniphofia linearifolia (Asphodelaceae)

Plant Systematics and Evolution

Volumn 294, Issue 3, 2011, Pages 199-206

  Brown, Mark ^a   Downs, Colleen T ^a   Johnson, Steven D ^a  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

Bird pollination; Honeybee; Nectar; Pollination morphotypes; Red hot poker

Indexed keywords

APIS MELLIFERA; APOIDEA; ASPHODELACEAE; AVES; KNIPHOFIA;

EID: 79959495104     PISSN: 03782697     EISSN: 16156110     Source Type: Journal    
DOI: 10.1007/s00606-011-0443-1     Document Type: Article

References (38)

1. Alexandersson R, Johnson SD (2002) Pollinator-mediated selection on flower-tube length in a hawkmoth-pollinated Gladiolus (Iridaceae). Proc R Soc Lond B 269: 631-636.
2. Anderson B, Johnson SD (2009) Geographical covariation and local convergence of flower depth in a guild of fly-pollinated plants. New Phytol 182: 533-540.
3. Baker I, Baker HG (1982) Some chemical constituents of floral nectars of Erythrina in relation to pollinators and systematics. Allertonia 3: 25-37.
4. Botes C, Johnson SD, Cowling RM (2008) Coexistence of succulent tree aloes: partitioning of bird pollinators by floral traits and flowering phenology. Oikos 117: 875-882.
5. Botes C, Johnson SD, Cowling RM (2009) The birds and the bees: using selective exclusion to identify effective pollinators of African Aloes. Int J Plant Sci 170: 151-156.
6. Boyd A (2002) Morphological analysis of Sky Island populations of Macromeria viridiflora (Boraginaceae). Syst Bot 27: 116-126.
7. Boyd A (2004) Breeding system of Macromeria viridiflora (Boraginaceae) and geographic variation in pollinator assemblages. Am J Bot 91: 1809-1813.
8. Brown M, Downs CT, Johnson SD (2009) Pollination of the red hot poker Kniphofia caulescens by short-billed opportunistic avian nectarivores. S Afr J Bot 75: 707-712.
9. Brown M, Downs CT, Johnson SD (2010) Pollination of the red-hot poker Kniphofia laxiflora (Asphodelaceae) by sunbirds. S Afr J Bot 76: 460-464.
10. Bruneau A (1997) Evolution and homology of bird pollination syndromes in Erythrina (Leguminosae). Am J Bot 84: 54-71.
11. Campbell DR, Waser NM, Price MV (1996) Mechanisms of hummingbird-mediated selection for flower width in Ipomopsis aggregata. Ecology 77: 1463-1472.
12. Codd LE (1968) The South African species of Kniphofia. Bothalia 9: 367-513.
13. Cruden RW (1997) Implications of evolutionary theory applied to pollination ecology. Acta Horta 437: 27-51.
14. Cruden RW, Toledo VM (1977) Oriole pollination of Erythrina brevifolia (Leguminosae): evidence for a polytypic view of ornithophily. Plant Syst Evol 126: 393-403.
15. Fenster CB, Armbruster WS, Wilson P, Dudash MR, Thomson JD (2004) Pollination syndromes and floral specialization. Annu Rev Ecol Evol Syst 35: 375-403.
16. Ford CM, Johnson SD (2008) Floral traits, pollinators and breeding systems in Syncolostemon (Lamiaceae). Plant Syst Evol 275: 257-264.
17. Galen C (1989) Measuring pollinator-mediated selection on morphometric floral traits: bumblebees and the alpine sky pilot, Polemonium viscosum. Evolution 43: 882-890.
18. Galen C (1996) Rates of floral evolution: adaptation to bumblebee pollination in an alpine wildflower, Polemonium viscosum. Evolution 50: 120-125.
19. Harder LD, Johnson SD (2009) Darwin's beautiful contrivances: evolutionary and functional evidence for floral adaptation. New Phytol 183: 530-545.
20. Hargreaves AL, Johnson SD, Nol E (2004) Do floral syndromes predict specialization in plant pollination systems? An experimental test in an "ornithophilous" African Protea. Oecologia 140: 295-301.
21. Herrera J (2005) Flower size variation in Rosmarinus officinalis: individuals, populations and habitats. Ann Bot 95: 431-437.
22. Johnson SD (1996) Pollination, adaptation and speciation models in the Cape flora of South Africa. Taxon 45: 59-66.
23. Johnson SD (1997) Pollination ecotypes of Satyrium hallackii (Orchidaceae) in South Africa. Bot J Linn Soc 123: 225-235.
24. Johnson SD (2004) An overview of plant-pollinator relationships in Southern Africa. Int J Trop Insect Sci24: 45-54.
25. Johnson SD, Nicolson SW (2008) Evolutionary associations between nectar properties and specificity in bird pollination systems. Biol Lett 4: 49-52.
26. Johnson SD, Steiner KE (1997) Long-tongued fly pollination and evolution of floral spur length in the Disa draconis complex (Orchidaceae). Evolution 51: 45-53.
27. Johnson SD, Steiner KE (2000) Generalization versus specialization in plant pollination systems. Trends Ecol Evol 15: 140-143.
28. Johnson SD, Steiner KE (2003) Specialized pollination systems in southern Africa. S Afr J Sci 99: 345-348.
29. Johnson SD, Hargreaves AL, Brown M (2006) Dark, bitter-tasting nectar functions as a filter of flower visitors in a bird-pollinated plant. Ecology 87: 2709-2716.
30. Johnston MO (1991) Natural selection on floral traits in two species of Lobelia with different pollinators. Evolution 45: 1468-1479.
31. Kephart S, Theiss K (2003) Pollinator-mediated isolation in sympatric milkweeds (Asclepias): do floral morphology and insect behavior influence species boundaries? New Phytol 161: 265-277.
32. Nattero J, Cocucci AA (2007) Geographical variation in floral traits of the tree tobacco in relation to its hummingbird pollinator fauna. Biol J Linn Soc 90: 657-667.
33. Ramdhani S, Barker NP, Baijnath H (2006) Phylogenetics of the genus Kniphofia Moench (Asphodelaceae). In: Ghazanfar SA, Beentje HJ (eds) Taxonomy and ecology of African plants, their conservation and sustainable use. Royal Botanic Gardens, Kew, pp 559-573.
34. Ramdhani S, Barker NP, Baijnath H (2008) Exploring the Afromontane centre of endemism: Kniphofia Moench (Asphodelaceae) as a floristic indicator. J Biogeogr 35: 2258-2273.
35. Robertson JL, Wyatt R (1990) Evidence for pollination ecotypes in the yellow-fringed orchid, Platanthera ciliaris. Evolution 44: 121-133.
36. Symes CT, Nicolson SW (2008) Production of copious dilute nectar in the bird-pollinated African succulent Aloe marlothii (Asphodelaceae). S Afr J Bot 74: 598-605.
37. Symes CT, Human H, Nicolson SW (2009) Appearances can be deceiving: pollination in two sympatric winter-flowering Aloe species. S Afr J Bot 75: 668-674.
38. Wilson A, Ward D, Brown M, Johnson SD (2009) Seed production in a threatened Aloe is not affected by bird exclusion or population size. Plant Ecol 203: 173-182.