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393 results for “New Hybrids”
FIGURE 1. Laelia halbingeriana. A. Flowering plant. B. Flower. C. Labellum and column from side. D. Dorsal sepal. E. Petal. F. Lateral sepal. G. Labellum. H. Column, ventral view. I in A new species and a new natural hybrid of Laelia (Orchidaceae) from Oaxaca, Mexico
FIGURE 1. Laelia halbingeriana. A. Flowering plant. B. Flower. C. Labellum and column from side. D. Dorsal sepal. E. Petal. F. Lateral sepal. G. Labellum. H. Column, ventral view. I. Column apex, ventral view after removal of the pollinarium. J. Ovary and column, longitudinal section. K. Anther. L. Pollinarium. Drawn by Rolando Jiménez-Machorro from Guzmán sub Soto 7934.
FIGURE 4 in A new species and a new natural hybrid of Laelia (Orchidaceae) from Oaxaca, Mexico
FIGURE 4. Distribution of Laelia anceps, L. halbingeriana, L. superbiens and L. ×oaxacana. Symbols indicate point locality records of each species; colours indicate potential distribution areas according to the best models obtained with GARP (see text).
FIGURE 2 in A new species and a new natural hybrid of Laelia (Orchidaceae) from Oaxaca, Mexico
FIGURE 2. Taxa of Laelia discussed in the text. A–C. Laelia superbiens (Chiapas, Miller s.n., AMO). A. Flower. B. Close-up of labellum and column. C. Ventral view of column apex. D–F. Laelia halbingeriana (Oaxaca; D–E from Salazar et al. 6695; F from Jones s.n.). D. Flower. E. Close-up of labellum and column. F. Ventral view of the column apex. G. Flowers of Laelia anceps (Oaxaca, Salazar et al. 6685). H. Flower of Laelia ×oaxacana (Oaxaca, Lau sub Hágsater 9359). Photographers: Eric Hágsater (A, B); Edward W. Greenwood (C, F); Gerardo A. Salazar (D, E, G); Rolando Jiménez-Machorro (H).
Two new hybrid populations expand the swordtail hybridization model system
<p>Natural hybridization events provide unique windows into the barriers that keep species apart as well as the consequences of their breakdown. Here we characterize hybrid populations formed between the northern swordtail fish Xiphophorus cortezi and X. birchmanni from collection sites on two rivers. We use simulations and new genetic reference panels to develop sensitive and accurate local ancestry calling in this novel system. Strikingly, we find that hybrid populations on both rivers consist of two genetically distinct subpopulations: a cluster of pure X. birchmanni individuals and one of phenotypically intermediate hybrids that derive ~85-90% of their genome from X. cortezi. Simulations suggest that initial hybridization occurred ~150 generations ago at both sites, with little evidence for contemporary gene flow between subpopulations. This population structure is consistent with strong assortative mating between individuals of similar ancestry. The patterns of population structure uncovered here mirror those seen in hybridization between X. birchmanni and its sister species, X. malinche, indicating an important role for assortative mating in the evolution of hybrid populations. Future comparisons will provide a window into the shared mechanisms driving the outcomes of hybridization not only among independent hybridization events between the same species but also across distinct species pairs.</p>
FIGURE 3 in Ionopsis × atalibae (Orchidaceae, Oncidiinae), a new natural hybrid from the Brazilian Amazon
FIGURE 3. Ionopsis satyrioides (right) and I. utricularioides (left) occurring in sympatry in the population studied. Note both species growing on the same phorophyte.
FIGURE 1 in Ionopsis × atalibae (Orchidaceae, Oncidiinae), a new natural hybrid from the Brazilian Amazon
FIGURE 1. Ionopsis × atalibae. A. Habit. B. Flowers. C. Perianth parts. D. Labellar callus. E. Column in side view. F. Column in ventral view. G. Dorsal view of the anther cap. H. Ventral view of the anther cap. I. Pollinarium. Photographed by A. H. Krahl.
FIGURE 2. Comparison between I in Ionopsis × atalibae (Orchidaceae, Oncidiinae), a new natural hybrid from the Brazilian Amazon
FIGURE 2. Comparison between I. × atalibae (A–C), I. satyrioides (D–F) and I. utricularioides (G–I).
FIGURE. Cumulative number of ferns and lycophytes, including varieties and hybrids, that were added to the Honduran flora since 1975 (A). Cumulative number of authors contributing to the addition of new records to the flora since 1975 (B). in Ferns and Lycophytes of Honduras: A new annotated checklist
FIGURE. Cumulative number of ferns and lycophytes, including varieties and hybrids, that were added to the Honduran flora since 1975 (A). Cumulative number of authors contributing to the addition of new records to the flora since 1975 (B).
FIGURE 2 in Spiranthes bightensis (Orchidaceae), a New and Rare Cryptic Hybrid Species Endemic to the U. S. Mid-Atlantic Coast
FIGURE 2. Morphospace visualization based on two foliar and four floral characters (Table 1): S. bightensis (n = 19, closed circles), S. cernua (n = 16, open circles), S. odorata (n = 10, triangles).
FIGURE 5 in Spiranthes bightensis (Orchidaceae), a New and Rare Cryptic Hybrid Species Endemic to the U. S. Mid-Atlantic Coast
FIGURE 5. Distribution map of S. bightensis, highlighting population loss over time. A. Collections made pre-1890's–present (the hypothesized original distribution of S. bightensis). B. 1900–present. C. 1950–present. D. 2000–present. Prepared by Elizabeth Gjieli, NYBG GIS Lab.
FIGURE 3 in Spiranthes bightensis (Orchidaceae), a New and Rare Cryptic Hybrid Species Endemic to the U. S. Mid-Atlantic Coast
FIGURE 3. Line drawing of S. bightensis. A. Habit and leaf detail. B. Inflorescence. C. Inflorescence detail. D. Floral bract and flower. E–M. Dissected flower. E. Dorsal sepal. F. Dorsal petal. G. Lateral sepal. H. Labellum, flattened. I. Labellum and column in natural position. J. Column, profile view. K. Column, ventral and dorsal view. L. Anther. M. Pollinia. Drawn from Austin s.n. barcode 01392822 (NY) and Pace 608 (NY) by Bobbi Angell.
FIGURE 1 in Spiranthes bightensis (Orchidaceae), a New and Rare Cryptic Hybrid Species Endemic to the U. S. Mid-Atlantic Coast
FIGURE 1. Phylogenetic networks from NeighborNet analysis of the S. cernua species complex plus S. odorata; the position of species is indicated by ovals. A. Combined nuclear dataset (nrITS, ACO, Xdh); inset focuses on the relationships between S. cernua s.s. and S. bightensis, denoting the position of individual samples. B. Combined chloroplast dataset (matK, ndhJ, trnL intron, trnS-fM, ycf1 3'); inset focuses on the relationships between S. cernua s.s. and S. bightensis, denoting the position of individual samples (all samples are S. cernua s.s. unless otherwise indicated).
FIGURE 3 in A new natural hybrid in Saxifraga sect. Porphyrion Tausch (Saxifragaceae)
FIGURE 3. Morphology of studied Saxifraga taxa. A–B. S. meeboldii C–E. S. pulvinaria. F–J. S. ×klimesii. A, C, F, H. Overall habit. B. Rosette leaves with pores. D, G. Detail of hypanthium. E, J. Rosette leaves with pores and cilia. I. Petals. Photographs by D. Horák (A), M. Hroneš (B, F, J) and M. Hajman (C–E, G–I).
FIGURE 2 in A new natural hybrid in Saxifraga sect. Porphyrion Tausch (Saxifragaceae)
FIGURE 2. Overall habit of studied Saxifraga species. A. Sympatric growth of S. meeboldii (front), S. pulvinaria (far right) and their hybrid S. ×klimesii (far left) in Zanskar, Ladakh, NW India. B. S. meeboldii. C. S. ×klimesii. D. S. pulvinaria. Photographs by R. Roth (A) and D. Horák (B–D).
FIGURE 1 in A new natural hybrid in Saxifraga sect. Porphyrion Tausch (Saxifragaceae)
FIGURE 1. Biplot of principal component analysis (PCA) of S. meeboldii (red), S. pulvinaria (green), S. ×klimesii (black) and artificial hybrid (blue); cultivated plants are represented by dot, plants from herbaria by triangle. A. PCA of all analysed plants of both cultivated and herbaria origin showing variation in length (Rudel) and width (Rusir) of leaves and number of pores (Pporu) of leaves. Ordination axis 1 explains 42.71 % and ordination axis 2 explains 22.24 % of variance of the sample set. B. PCA of all 10 analysed morphological traits based on cultivated plants only. Ordination axis 1 explains 57.11 % and ordination axis 2 explains 28.81 % of variance of the sample set. Pporu—number of pores, brvy—presence of cilia, Kdel—length of calyx, Ksir—width of calyx, Cdel—length of corolla, Csir—width of corolla, Adel—length of anther, Asir—width of anther.
FIGURE 2 in Crassula ×mortii (Crassulaceae subfam. Crassuloideae), a new natural hybrid between C. perforata and C. rubricaulis from South Africa's southern Cape
FIGURE 2. Crassula ×mortii from Montagu Pass, Western Cape Province, South Africa. A. Habit. B. Inflorescence lateral view. C. Inflorescence dorsal view. D. Leafy shoot. E. Mark Mort (1969–) while conducting fieldwork in South Africa. Scale bars: A: 30 mm; B: 3 mm; C: 3 mm; D 7 mm. Photographs by the authors (A–D) and Jenny Archibald (E).
FIGURE 1. A. Crassula perforata habit, with leaf pairs basally fused. B. Crassula perforata inflorescence. C. Crassula rubricaulis habit with leaves basally cuneate. D. Crassula rubricaulis inflorescence. E in Crassula ×mortii (Crassulaceae subfam. Crassuloideae), a new natural hybrid between C. perforata and C. rubricaulis from South Africa's southern Cape
FIGURE 1. A. Crassula perforata habit, with leaf pairs basally fused. B. Crassula perforata inflorescence. C. Crassula rubricaulis habit with leaves basally cuneate. D. Crassula rubricaulis inflorescence. E. Leafy shoots of C. perforata (left), C. ×mortii (centre), and C. rubricaulis (right), all from Montagu Pass. Scale bars: A: 7 cm; B: 9 mm; C: 45 mm; D 4.5 mm; E: 8 mm. Photographs: Neil R. Crouch.
FIGURE 3 in Carex ×payettei, a new hybrid of Carex sect. Racemosae described from subarctic Quebec, Canada (Cyperaceae)
FIGURE 3. Distribution range of the studied parental species and hybrid in the Northern Québec and Labrador (north of 54°N). A, Carex atratiformis. B, Carex ×payettei. C, Carex media. Maps provided by the Flore nordique project, Herbier Louis-Marie (QFA), Laval University.
FIGURE 2 in Carex ×payettei, a new hybrid of Carex sect. Racemosae described from subarctic Quebec, Canada (Cyperaceae)
FIGURE 2. Perigynium beaks of the studied parental species and hybrid, in three vertical rows. A, Carex atratiformis (QFA 240451). B, Carex ×payettei (CAN 152624). C, Carex media (QFA 240538). Arrows indicate sharp barbs on the margins of the perigynium beak of Carex ×payettei.
FIGURE 2 in Calanthe × yarlungzangboensis, a new natural hybrid in genus Calanthe (Orchidaceae) from China
FIGURE 2. Bayesian tree from the nrITS, plastid rbcL and matK. The numbers near the nodes are Bayesian posterior probabilities and bootstrap percentage (PP, BP, BP). The portions of Calanthe tree based on (A) plastid DNA and (B) nrITS are shown in the top left ML MP corner.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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