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Dataset results
193 results for “Vitaceae”
Parthenocissus quinquefolia (Vitaceae) - inflorescence - lateral view of flower
Image of Parthenocissus quinquefolia (Vitaceae) - inflorescence - lateral view of flower
Parthenocissus quinquefolia (Vitaceae) - inflorescence - whole - unspecified
Image of Parthenocissus quinquefolia (Vitaceae) - inflorescence - whole - unspecified
Parthenocissus quinquefolia (Vitaceae) - whole tree (or vine) - general
Image of Parthenocissus quinquefolia (Vitaceae) - whole tree (or vine) - general
Parthenocissus quinquefolia (Vitaceae) - bark - of a large tree
Image of Parthenocissus quinquefolia (Vitaceae) - bark - of a large tree
Parthenocissus quinquefolia (Vitaceae) - bark - of a medium tree or large branch
Image of Parthenocissus quinquefolia (Vitaceae) - bark - of a medium tree or large branch
Parthenocissus quinquefolia (Vitaceae) - fruit - immature
Image of Parthenocissus quinquefolia (Vitaceae) - fruit - immature
Parthenocissus quinquefolia (Vitaceae) - inflorescence - whole - unspecified
Image of Parthenocissus quinquefolia (Vitaceae) - inflorescence - whole - unspecified
Parthenocissus quinquefolia (Vitaceae) - inflorescence - whole - unspecified
Image of Parthenocissus quinquefolia (Vitaceae) - inflorescence - whole - unspecified
Figure 2 in Taxonomic revision of Causonis (Vitaceae) in New Guinea
Figure 2. Distinctive characters in New Guinea Causonis. A and B, Tendrils: A, Causonis maritima; B, C. trifolia (adapted from Jackes, 1987). C–H, Seeds: C–E, Causonis trifolia (C, cross-section; D, ventral view; E, dorsal view); F–H, Causonis maritima (F, cross-section; G, ventral view; H, dorsal view). Drawn by A. Trias-Blasi.
Figure 1 in Taxonomic revision of Causonis (Vitaceae) in New Guinea
Figure 1. Map showing the distribution of Causonis australasica, C. maritima and C. trifolia in New Guinea.
Fig. 2 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 2 - Geographical distribution in Sicily of Vitis labrusca (green dots), V. ×instabilis (red dots), and V. ×koberi (blue dots).
Fig. 5 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 5 - Rootstocks of Vitis ×ruggerii '140 Ru' emerging from an abandoned vineyard in �cate (Photo: N.M.G. �rdenghi).
Fig. 1 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 1 - Geographical distribution in Sicily of Vitis rupestris (red dots), Vitis ×goliath (green dots), and Vitis ×ruggerii (blue dots).
Fig. 4 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 4 - Invasive stand of Vitis ×ruggerii '775 P' in �cate, with the first author posing for scale. The plant completely covers the fence of an olive grove and, on the extreme right, an almond tree (Photo: P. Cauzzi).
Fig. 3 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 3 - Vitis ×koberi in Sutera: a) invasive stand along the railway; b) leaf blades (Photos: N.M.G. Ardenghi).
Fig. 7 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 7 - Vitis rupestris: a) invasive monospecific stand in Mezzojuso; b) leaf blades (Photos: N.M.G. �rdenghi).
Fig. 6 in Alien grapes (Vitis, Vitaceae) in Sicily (Italy): novelties for the Sicilian and Mediterranean flora
Fig. 6 - Vitis ×ruggerii: a) typical entire leaf blades; b-c) cultivar '57 R' with lobed leaf blades (Photos: N. M. G. �rdenghi).
Herbarium specimen image of Vitaceae, part of the collection of Naturalis Biodiversity Center
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.
Data from: Dispersal is associated with morphological innovation, but not increased diversification, in Cyphostemma (Vitaceae)
Multiple processes - including dispersal, morphological innovation, and habitat change - are frequently cited as catalysts for increased diversification. We investigate these processes and the causal linkages among them in the genus Cyphostemma (Vitaceae), a clade comprising ~200 species that is unique in the Vitaceae for its diversity of growth habits. We reconstruct time-calibrated evolutionary relationships among 64 species in the genus using five nuclear and chloroplast markers, and infer the group's morphological and biogeographic history. We test for changes in speciation rate, and evaluate the temporal association and sequencing of events with respect to dispersal, habitat change, and morphological evolution using a Monte Carlo simulation approach. In Cyphostemma, neither dispersal nor morphological evolution is associated with shifts in speciation rate, but dispersal is associated with evolutionary shifts in growth form. Evolution of stem succulence, in particular, is associated with adaptation to local, pre-existing conditions following long-distance dispersal, not habitat change in situ. We suggest that the pattern of association between dispersal, morphological innovation, and diversification may depend on the particular characters under study. Lineages with evolutionarily labile characters, such as stem succulence, do not necessarily conform to the notion of niche conservatism and instead demonstrate remarkable morphological adaptation to local climate and edaphic conditions following dispersal.
Resolving the Tetrastigma loheri s.l. species complex (Vitaceae) in the Philippines: No evidence for recognizing more than one species
<p><i>Tetrastigma loheri</i> (Vitaceae) is a vine species native to Borneo and the Philippines. Because it is a commonly encountered forest species in the Philippines, <i>T. loheri</i> is potentially suitable for studying patterns of genetic diversity and connectivity among fragmented forest ecosystems in various parts of this country. However, previous research suggests that <i>T. loheri </i>is part of a species complex in the Philippines (i.e. the <i>T. loheri</i> s. l. complex) that potentially also contains Philippine plants identified as <i>T. diepenhorstii, T. philippinense, T. stenophyllum, </i>and <i>T. trifoliolatum</i>. This uncertainty about its taxonomic delimitation can make it challenging to draw conclusions that are relevant to conservation from genetic studies using this species. Here, we tested the hypothesis that <i>T. loheri</i> s.l. is composed of more than one species in the Philippines. For this, we used generalized mixed Yule coalescent (GMYC) and Poisson tree process (PTP) species delimitation models to identify clades within DNA sequence phylogenies of <i>T. loheri</i> s.l. that might constitute species within this complex. Although these methods identified several putative species, these are statistically poorly supported and subsequent random forest analyses using a geometric morphometric leaf shape dataset and several other vegetative characters did not result in the identification of characters that can be used to discriminate these putative species morphologically. Furthermore, the results of principal component and principal coordinates analyses of these data suggest the absence of morphological discontinuities within the species complex. Under a unified species concept that uses phylogenetic and morphological distinction as operational criteria for species recognition, we therefore conclude that the currently available data do not support recognizing multiple species in the <i>T. loheri</i> s.l. complex. This implies that <i>T. loheri</i> is best considered as a single, morphologically variable species when used for studying patterns of genetic diversity and connectivity in the Philippines.</p>
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