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17,475 results for “taxonomic revision”
Fig. 50. Noronhia planifolia H in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 50. Noronhia planifolia H. Perrier ex Hong-Wa.
Fig. 47 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 47. Noronhia perrieriana Hong-Wa
Fig. 45 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 45. Photographs of Noronhia Stadtm. ex Thouars.
Fig. 28 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 28. Photographs of Noronhia Stadtm. ex Thouars
A. Noronhia louvelii H in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
A. Noronhia louvelii H. Perrier [Razanatsima 843]; B. Noronhia lowryi Hong-Wa [Lowry 5906].
Fig. 44 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 44. Noronhia orientalis Hong-Wa.
A in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
A. Noronhia olearia Hong-Wa [Hong-Wa 573]; B. Noronhia orientalis Hong-Wa [Hong-Wa 636].
Fig. 43 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 43. Photographs of Noronhia Stadtm. ex Thouars
Fig. 40 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 40. Photographs of Noronhia Stadtm. ex Thouars.
Fig. 33 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 33. Photographs of Noronhia Stadtm. ex Thouars
Fig. 41 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 41. Noronhia obcordifolia Hong-Wa.
Fig. 31 in A taxonomic revision of the genus Noronhia Stadtm. ex Thouars (Oleaceae) in Madagascar and the Comoro Islands
Fig. 31. Photographs of Noronhia Stadtm. ex Thouars
Data from: A taxonomic revision of Monopteryx (Leguminosae): a florally divergent and ancient papilionoid genus of large Amazonian trees
<p><span><em>Monopteryx</em> </span><span>is a </span><span>florally divergent genus of Dipterygeae, an early-branching papilionoid legume clade largely marked by winged papilionate floral architecture, expanded upper calyx lobes often assuming a wing-shaped orientation and petals differentiated into standard, wings, and a keel enclosing the basally connate stamens. In contrast to the remaining Dipterygeae genera, <em>Monopteryx</em> has differentiated petals but the marginally coherent keel with interlaced trichomes exposes the free stamens and the expanded calyx upper lobes are nearly entirely fused with a standard-like dorsal orientation. <em>Monopteryx</em> species are restricted to the Amazonian rainforests, where they have diversified since the last ~15 Ma, but the divergence of the genus is estimated to be as old as ~39 Ma. They grow as large buttressed trees usually with a uniquely "flying" architecture, which are arched from the trunk to the ground and separated from one another, unlike that found in any other species of leguminaceous trees. Its fruits are elastically dehiscent pods, and, in some species, they bear marginally crimped wings along the sutures. Our taxonomic revision of this ecologically and evolutionarily important, ancient genus includes an analysis of about 135 specimens from across 14 herbaria, including both type and historical collections, as well as recently collected samples from our extensive fieldwork across remote areas of the Amazon. Grounded on a densely-sampled dated molecular phylogeny of nuclear and plastid data, here we recognize three phylogenetically and morphologically distinct taxa: <em>M. angustifolia, M. inpae, </em>and M<em>. uaucu</em>. After a careful revision of their nomenclatural history, we also found that <em>M. inpae </em>was not validly published. We subsequently have provided typification of all names associated with species of the genus. This revision also includes morphological descriptions, illustrations, and distribution maps for all species. We also discuss the phylogenetic relationships between the species and the evolution of selected taxonomically key morphological characters in the context of the entire Diptergyeae clade.</span></p>
Fig. 1 in Taxonomic Revision and Classification of Extant Holococcolithophores Previously Placed in the Genus Anthosphaera Kamptner emend. Kleijne 1991
Fig. 1. Map of the sampling locations, where Anthosphaera was observed.
A taxonomic revision of the Argyrolobium robustum and A. transvaalense groups (Fabaceae) in southern Africa
<p><span>Previous studies on the genus <em>Argyrolobium </em>(Genisteae, Fabaceae) in southern Africa recognized a group of species defined by a suffrutescent habit, monomorphic flowers and leaves, and the plants not turning black when dried as 'section <em>A. transvaalense</em>'. A formal rank was never published for this group. Here a taxonomic study of this group is conducted, including comprehensive descriptions of and a key to the species, nomenclature, typifications, diagnostic characters, and geographical distribution. Based on an assessment of morphological characters, two groups can be recognised; 1) the <em>A. robustum</em> group that comprises four species with a herbaceous habit with up to 55-flowered inflorescences, flowers drying black or turning black when damaged, keel petals lacking pockets, and staminal sheaths fully open above, and 2) the <em>A. transvaalense</em> group comprising five species with a suffruticose habit with up to 24-flowered inflorescences, flowers becoming discoloured (darker coloured or brown) when dried, keel petals with pockets except in <em>A. megarhizum</em>, and staminal sheaths variously fused into a closed tube.</span></p>
Fig. 2 in Taxonomic revision of the southern African Colletes fasciatus species group (Hymenoptera: Colletidae)
Fig. 2. Rainfall seasonality in South Africa (after Garnas et al. 2016, modified).
Data from: A taxonomic revision of Monopteryx (Leguminosae): a florally divergent and ancient papilionoid genus of large Amazonian trees
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Data for: Phylogenetic placement and taxonomic revision of the enigmatic Brazilian genus Monochilus Fisch. & C. A. Mey. (Lamiaceae)
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Taxonomically revised dataset of acanthomorphic acritarch species of the Doushantuo Formation: dataset for rarefaction, NMDS, and network analysis
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Data for: A taxonomic revision of ten whitefish species from lakes Lucerne, Sarnen, Sempach, and Zug, Switzerland, with descriptions of seven new species (Teleostei, Coregonidae)
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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