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Showing 1 to 11 of 11 for “"Proteas"”.
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Community ecology of small-mammal pollinated proteas
… cameras placed facing the inflorescences of SMP proteas. The results of this study confirmed that Protea canaliculata, Protea sulphurea and Protea humiflora are pollinated by small mammal pollinators. The evidence supporting this is that the afore-mentioned species have traits that correspond to …
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The effects of cloud moisture on Restions, Ericas and Proteas in the Cape Floristic region
Recent studies on the interception and utilization of occult precipitation (fog, cloud-borne mist and dew) have revealed that the direct wetting of foliage provides a water subsidy to plants of various ecosystem types. In this study, we investigate the presence of foliar uptake, and the effects of …
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Flowering in protea : a molecular and physiological study.
Proteas have been extensively cultivated and are grown as floricultural crop plants in many parts of the world, including South Africa. However, the factors that influence the initiation of flowering in Protea have not been identified. From data gathered by the Protea Atlas Project it is evident …
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Voorkoms van vrye aminosure in die genus Protea L
Die vrye aminosuurinhoud van Suider-Afrikaanse proteas het met enkele uitsonderings (Van Staden, 1966) min navorsers se aandag getrek. Die meeste ondersoeke was redelik oppervlakkig en slegs gegrond op papierchromatografie van 'n paar spesies, sodat 'n dieper studie nodig was. Miskien was die …
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Comparative water relations of indigenous and invasive Australian Proteaceae in fynbos
… was no significant difference between hakeas and proteas at the other sites. Transpiration rates of shoots and of whole trees were compared between Hakea sericea and Protea repens growing on Stellenboschberg northeast of Cape Town. Both measurements showed no real difference between the species …
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Small mammal pollination in Protea Witzenbergiana
… some features common to that of therophilous Proteas in the Cape Floristic Region, such as a cup-shaped, downwards-hanging inflorescence surrounded by red involucral bracts, which emits a yeasty, musky odour. The flowering season occurs in the winter and the plants occur in small, localized …
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Population genetics of South African Protea L. (Proteaceae) species associated with various pollinator guilds
… dispersal, but high outcrossing rates, in NMP proteas.
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Crypsis in non-flying mammal pollinated Proteaceae: novel adaptations and evidence of nectarivorous bird avoidance
A defining feature of the non-flying mammal pollinated (NMP) syndrome is inflorescence crypsis whereby flowers are close to the ground and somewhat hidden within the canopy. A number of species in the Cape Proteaceae are NMP, two of which were chosen as focal species for this study: Protea …
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The impacts of habitat fragmentation of Tsitsikamma fynbos, South Africa, on avian nectarivore presence, abundance, and pollination
… per unit area increased with patch size for proteas but decreased for ericas. Orange-breasted Sunbird abundance showed no relationship with erica nectar availability, while numbers of Southern Double-collared Sunbirds and Cape Sugarbirds increased with erica and protea nectar availability, …
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Life history and reproductive ecology of selected proteaceae in the mountain Fynbos Vegetation of the South-Western Cape
… by baboons or rodents reduced seed banks of the proteas but not LeucadendrOll xanthoconus. Seed banks at the age of 10 years, in terms of seeds per shrub were adequate for population replacement except for P. lacticolor. The studies in the second part found that the dynamics of the seed banks of …