Results 21 to 30 of about 56 (43)

Epiphytism and pollinator specialization: drivers for orchid diversity? [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2004
Gravendeel B   +3 more
europepmc   +1 more source

What are the drivers of female success in food-deceptive orchids? [PDF]

open access: yesEcol Evol
Wróblewska A   +5 more
europepmc   +1 more source

Factors associated with a rust infection ( Sphenosphora saphena ) in an epiphytic orchid ( Tolumnia variegata )

open access: yesAmerican Journal of Botany, 1994
The interaction of a rust infection ( Sphenosphora saphena ) with the orchid Tolumnia ( Oncidium ) variegata was studied in northern Puerto Rico to determine which intrinsic
Elvia Janet Meléndez, James D. Ackerman
openaire   +2 more sources
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Patterns and Maintenance of Extraordinary Variation in the Caribbean Orchid, Tolumnia (Oncidium) variegata

Systematic Botany, 1991
Patterns of morphological variation within the Tolumnia variegata complex of Puerto Rico, Hispaniola, and Cuba are described. Univariate and multivariate analyses of population data obtained from fresh material collected in Puerto Rico and the Dominican Republic indicated that three a priori groups (Puerto Rican spring- and fall-flowering populations ...
James D Ackerman
exaly   +2 more sources

The effects of a rust infection on fitness components in a natural population of Tolumnia variegata (Orchidaceae)

Oecologia, 1993
The effects of a rust infection (Sphenosphora saphena, Basidiomycetes) on several fitness components of the orchid Tolumnia (Oncidium) variegata were quantified in a subtropical moist forest of Puerto Rico. Infected and uninfected plants of two size categories were observed and manipulated by increasing natural levels of fruit production to determine ...
E J, Meléndez, J D, Ackerman
exaly   +3 more sources

Variation in mycorrhizal performance in the epiphytic orchid Tolumnia variegata in vitro: the potential for natural selection

Evolutionary Ecology, 2005
Symbiotic seed germination is a critical stage in orchid life histories. Natural selection may act to favor plants that efficiently use mycorrhizal fungi. However, the necessary conditions for natural selection – variation, heritability, and differences in fitness – have not been demonstrated for either orchid or fungus.
J Tupac Otero   +2 more
exaly   +2 more sources

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