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ShareScore release 0.9.0
Dataset results
219 results for “Asclepias”
Asclepias syriaca L. (BR0000012456239)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Short-term effects of the control of an invasive plant Asclepias syriaca: secondary invasion of other neophytes instead of the recovery of native species
<p>Data sets to article: "Short-term effects of the control of an invasive plant <em>Asclepias syriaca</em>: secondary invasion of other neophytes instead of the recovery of native species".</p> <p>We studied the impact of <em>Asclepias syriaca</em>, a non-native herb species, on basic soil attributes and vegetation composition in sandy grasslands and the effect of mechanical control of this species. The <em>Asclepias </em>invasion changed the vegetation composition, but not the studied soil attributes. The shot-term cutting suppressed <em>Asclepias</em>, but instead of the recovery of native species, secondary invasion by other alien species occurred.</p>
Differential impacts of land use change on multiple components of common Milkweed (Asclepias syriaca) pollination success
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Characterizing the nectar microbiome of the non-native tropical milkweed, Asclepias curassavica, in an urban environment
<p>In increasingly urban landscapes, the loss of native pollen and nectar floral resources is impacting ecologically important pollinators. Increased urbanization has also brought about the rise of urban gardens which introduce new floral resources that may help replace those the pollinators have lost. Recently, studies have shown that the microbial communities of nectar may play an important role in plant-pollinator interactions, but these microbial communities and the floral visitors in urban environments are poorly studied. In this study we characterized the floral visitors and nectar microbial communities of <i>Ascelpias curassavica</i>, a non-native tropical milkweed commonly, in an urban environment. We found that the majority of the floral visitors to <i>A. curassavica</i> were honey bees followed closely by monarch butterflies. We also found that there were several unique visitors to each site, such as ants, wasps, solitary bees, several species of butterflies and moths, Anna's hummingbird, and the tarantula hawk wasp. Significant differences in the nectar bacterial alpha and beta diversity were found across the urban sites, although we found no significant differences among the fungal communities. We found that the differences in the bacterial communities were more likely due to the environment and floral visitors rather than physiological differences in the plants growing at the gardens. Greater understanding of the impact of urbanization on the nectar microbiome of urban floral resources and consequently their effect on plant-pollinator relationships will help to predict how these relationships will change with urbanization, and how negative impacts can be mitigated through better management of the floral composition in urban gardens.<br> </p>
Data from: Trait responses to AM fungi are stronger and more consistent than fixed differences among populations of Asclepias speciosa
Premise of the study: Arbuscular mycorrhizal (AM) fungi can promote plant growth and reproduction, but other plant physiological traits or traits that provide defense against herbivores can also be affected by AM fungi. However, whether responses of different traits to AM fungi are correlated, and whether these relationships vary among plants from different populations is unresolved. Methods: We assessed whether different populations of the perennial forb, Asclepias speciosa, grown from seed collected from different environmental conditions across its distributional range respond differently to AM fungi, and if the responses of six growth and defense traits are correlated. Key Results: Although there was strong genetic differentiation in mean trait values among populations, AM fungi consistently increased expression of most growth and defense traits across all populations. Responses of biomass and root:shoot ratio to AM fungi were positively correlated, suggesting that plants that are more responsive to AM fungi allocated more biomass belowground. Responses of biomass and trichome density to AM fungi were negatively correlated, indicating a trade-off in responsiveness between a growth and defensive trait. Conclusions: Our results suggest that while there is substantial population differentiation in many traits of A. speciosa, populations respond similarly to AM fungi, and both positive and negative correlations among trait responses occur.
Asclepias viridis (Asclepiadaceae) - fruit - lateral or general close-up
Image of Asclepias viridis (Asclepiadaceae) - fruit - lateral or general close-up
Asclepias purpurascens (Asclepiadaceae) - leaf - basal or on lower stem
Image of Asclepias purpurascens (Asclepiadaceae) - leaf - basal or on lower stem
Asclepias purpurascens (Asclepiadaceae) - whole plant - in flower - general view
Image of Asclepias purpurascens (Asclepiadaceae) - whole plant - in flower - general view
Asclepias purpurascens (Asclepiadaceae) - inflorescence - whole - unspecified
Image of Asclepias purpurascens (Asclepiadaceae) - inflorescence - whole - unspecified
Asclepias verticillata (Asclepiadaceae) - fruit - as borne on the plant
Image of Asclepias verticillata (Asclepiadaceae) - fruit - as borne on the plant
Asclepias incarnata (Asclepiadaceae) - stem - showing leaf bases
Image of Asclepias incarnata (Asclepiadaceae) - stem - showing leaf bases
Asclepias incarnata (Asclepiadaceae) - inflorescence - whole - unspecified
Image of Asclepias incarnata (Asclepiadaceae) - inflorescence - whole - unspecified
Asclepias incarnata (Asclepiadaceae) - leaf - on upper stem
Image of Asclepias incarnata (Asclepiadaceae) - leaf - on upper stem
Asclepias incarnata (Asclepiadaceae) - inflorescence - lateral view of flower
Image of Asclepias incarnata (Asclepiadaceae) - inflorescence - lateral view of flower
Asclepias purpurascens (Asclepiadaceae) - inflorescence - frontal view of flower
Image of Asclepias purpurascens (Asclepiadaceae) - inflorescence - frontal view of flower
Asclepias incarnata (Asclepiadaceae) - inflorescence - lateral view of flower
Image of Asclepias incarnata (Asclepiadaceae) - inflorescence - lateral view of flower
Asclepias incarnata (Asclepiadaceae) - whole plant - in flower - general view
Image of Asclepias incarnata (Asclepiadaceae) - whole plant - in flower - general view
Asclepias exaltata (Asclepiadaceae) - whole plant - in flower - general view
Image of Asclepias exaltata (Asclepiadaceae) - whole plant - in flower - general view
Asclepias exaltata (Asclepiadaceae) - inflorescence - lateral view of flower
Image of Asclepias exaltata (Asclepiadaceae) - inflorescence - lateral view of flower
Asclepias variegata (Asclepiadaceae) - inflorescence - whole - unspecified
Image of Asclepias variegata (Asclepiadaceae) - inflorescence - whole - unspecified
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