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716
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ShareScore release 0.9.0
Dataset results
716 results for “Oenothera”
Oenothera speciosa (Onagraceae) - whole plant - in flower - general view
Image of Oenothera speciosa (Onagraceae) - whole plant - in flower - general view
Oenothera speciosa (Onagraceae) - inflorescence - whole - unspecified
Image of Oenothera speciosa (Onagraceae) - inflorescence - whole - unspecified
Oenothera speciosa (Onagraceae) - whole plant - in flower - general view
Image of Oenothera speciosa (Onagraceae) - whole plant - in flower - general view
Oenothera speciosa (Onagraceae) - whole plant - in flower - general view
Image of Oenothera speciosa (Onagraceae) - whole plant - in flower - general view
Oenothera speciosa (Onagraceae) - inflorescence - frontal view of flower
Image of Oenothera speciosa (Onagraceae) - inflorescence - frontal view of flower
Oenothera Section Calylophus population genetic study
<p><strong>Premise</strong>: Animal pollinators play an important role in pollen dispersal. Differences in foraging patterns, flight distances and grooming behaviors are assumed to have consequences for genetic diversity of plants but are rarely tested explicitly. Here, we assess the role of pollinator functional groups with different foraging behaviors (hawkmoth and bee) in generating patterns of genetic diversity over similar geographic ranges for two closely related taxa.</p> <p><strong>Methods</strong>: This study focuses on two members of <em>Oenothera</em> section <em>Calylophus</em> that co-occur on gypsum outcrops throughout the Chihuahua Desert but differ in floral phenotype and primary pollinator: <em>Oenothera</em> <em>gayleana</em> (bee) and <em>O</em>. <em>hartwegii</em> subsp. <em>filifolia</em> (hawkmoth). We measured breeding system and floral traits in the greenhouse and conducted a population genetic study at the local (<13km; four populations) and landscape (60–440km; five populations) scales using 10–11 nuclear (pollen dispersal) and three plastid (seed dispersal) microsatellite markers. </p> <p><strong>Key Results</strong>: Both taxa were self-incompatible and floral traits were consistent with expectations for different pollinators. We found no evidence of genetic structure at the local scale, but at the landscape scale, <em>O</em>. <em>gayleana</em> showed greater differentiation and significant isolation by distance than <em>O</em>. <em>hartwegii</em> subsp. <em>filifolia</em>. The plastid data were consistent with gravity dispersal of seeds and suggest that pollen dispersal is the principal driver of genetic structure in both species.</p> <p><strong>Conclusions</strong>: We demonstrate that pollinator functional groups can impact genetic differentiation in different and predictable ways. Hawkmoths, with larger foraging distances, can maintain gene flow across greater spatial scales than bees.</p>
Linked collectors and determiners for: Lectotypification, epitypification and taxonomic notes on Oenothera fallax (Onagraceae).
Natural history specimen data linked to collectors and determiners held within, "Lectotypification, epitypification and taxonomic notes on Oenothera fallax (Onagraceae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6891cedd-85e1-4705-8062-92331c0baab3">https://bionomia.net/dataset/6891cedd-85e1-4705-8062-92331c0baab3</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6891cedd-85e1-4705-8062-92331c0baab3">https://gbif.org/dataset/6891cedd-85e1-4705-8062-92331c0baab3</a>. Formatted as a Frictionless Data package.
Oenothera sp. (BR0000011309086)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000015228345V)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000012291120)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000015228451V)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000011806707)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000012259090)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000015228338V)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000005407064)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000012563937)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000005254477)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000012566907)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000012375714)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Oenothera sp. (BR0000014459054)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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