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81 results for “cytotaxonomy”
FIGURE 9. Kalanchoe tomentosa, a tetraploid with 2n in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 9. Kalanchoe tomentosa, a tetraploid with 2n = 68, is included in K. [subg. Kalanchoe] sect. Stellatopilosae. Photograph: Gideon F. Smith.
FIGURE 7. With n in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 7. With n = ca. 51 Kalanchoe crenata, a widely distributed African species, is a hexaploid. Photograph: Gideon F. Smith.
FIGURE 8 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 8. Kalanchoe tubiflora, one of the most invasive of the Malagasy kalanchoes, is a tetraploid with 2n = 68. Its leaves are tricussately arranged, rather than decussately. Photograph: Gideon F. Smith.
FIGURE 5 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 5. Prof. Flávio Resende (right) and Prof. Fernando Catarino (left) at an exhibition of the students of the Faculty of Sciences of the University of Lisbon, Portugal. Photographer unknown. Photograph supplied courtesy of Prof. Fernando Catarino and reproduced with his permission.
FIGURE 3 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 3. While based at Cornell University, Ithaca, U.S.A., Dr Charles H. ['Chas'] Uhl (28 May 1918, Schenectady, New York–29 August 2010, Jefferson, Georgia, U.S.A.) was a pioneering researcher on the cytology and cytogenetics of the family Crassulaceae, including on Kalanchoe. Photograph taken in the early-1990s at the then home of Uhl's daughter, Mary, in Edinburgh, Great Britain, by Ray Stephenson. Reproduced with permission and © of Ray Stephenson.
FIGURE 6 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 6. Kalanchoe pinnata, which is widely naturalised in mild-climate parts of the world, appears to be an aneuploid with three additional chromosomes. Photograph: Gideon F. Smith.
FIGURE 1 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 1. Cultivars and selections that contain genetic material of Kalanchoe blossfeldiana, such as K. 'Else-Flower' depicted here, remain exceedingly popular as horticultural material for, especially, the indoor plant market. Photograph: Gideon F. Smith.
FIGURE 4 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 4. In the 1980s, Dr Edith Maria Raadts (3 December 1914, Rees am Rhein, Germany–3 January 2004, Agnesheim in Rees, Germany) published extensively on the cytology of Kalanchoe, especially of the East African species, while she was based at the Botanischer Garten und Botanisches Museum (BGBM) Berlin. Photographer unknown. Reproduced with the permission of the Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Germany.
FIGURE 2 in A review of the cytotaxonomy of Kalanchoe (Crassulaceae subfam. Kalanchooideae) with reference to evolutionary trends in the genus
FIGURE 2. Material of Kalanchoe with generally fairly narrow leaves and variously incised leaf margins is sold under various monikers such as K. 'Katapifa', K. 'Scorpion' and K. 'Tarantula'. Material illustrated here has double flowers and is the product of complex breeding programmes that likely included K. blossfeldiana. Photograph: Gideon F. Smith.
FIGURES 3–7 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 3–7. (Continued) Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. longzhouensis (2n = 60). 3-6: individuals collected in DX (wah2020060616); 7: individuals collected in DB (wah2020060618).
FIGURE 12 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURE 12. Morphology of individuals responding to Figs 1–11 and Table 1. A–I: A. gravesii complex; J: A. dentatum; K–L: A. mariesii complex; M: A. juxtapositum; N-O: A. longzhouensis. A: JEB, B: GAS; C: HFB; D: HMMB; E: JW1B1; F: HB1B; G: SJB; H: GGL1; I: GXM; J: HB2C; K: HMMX; L: SBSX; M: GSD; N: DX; O: DB. Among the A. gravesii complex (A–I), D and G were typical A. gravesii, the others were intermediate morphology. In A. mariesii complex, L is the typical A. mariesii and K was the A. mariesii complex. All short names of populations and their morphological characters were listed in Table 1.
FIGURES 3–7 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 3–7. Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. longzhouensis (2n = 60). 3-6: individuals collected in DX (wah2020060616); 7: individuals collected in DB (wah2020060618).
FIGURE 13 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURE 13. Strict consensus tree of six maximally parsimonious trees for series Gravesiana obtained from atpA, atpB, rbcL, trnL- F, rps4-trnS and matK sequences in Wang et al. 2017. The bootstrap values were shown above the lines, and the Bayesian posterior probabilities were shown below the lines.
FIGURE 11 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURE 11. Photomicrographs and explanatory diagrams of chromosomes of A. gravesii complex from different populations. A: individuals collected in JEB (2n = 120) (wah2020052609); B: individuals collected in HFB (2n = ca. 120) (WAH055); C: individuals collected in HMMB (2n = 128) (wah2020060608); D: individuals collected in GAS (2n = 128) (wah2020062102); E: individuals collected in SJB (2n = ca. 150) (wah20191113003); F: individuals collected in JW1B1 (2n = ca. 150) (wah2020060611); G: individuals collected in HB1B (2n = 150) (wah2020052605); H: individuals collected in GGL1 (2n = ca. 180) (wah2020062003); I: individuals collected in GXM (2n = 64) (wah2020062202). All short names of populations were listed in Table 1.
FIGURES 8–10 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 8–10. Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. dentatum and A. mariesii. 8: sample of A. dentatum (2n = ca. 60) collected in HB2C (wah2020052604); 9: sample of A. mariesii (2n = ca. 120) from the SBSX (wah20191113002); 10: sample of A. mariesii complex (2n = 60) collected in HMMX (wah2020060609). All short names of HMMX, SBSX and HB2C were listed in Table 1.
FIGURES 1–2 in Cytotaxonomy of the endemic Karst and Danxia ferns in Adiantum (Pteridaceae)
FIGURES 1–2. Photomicrographs (left) and explanatory diagrams (right) of chromosomes of A. juxtapositum (2n = 64). 1: individuals collected in GSD (WAH029); 2: individuals collected in HCZ (wah20191115001). All short names were listed in Table 1.
Supplementary material 1 from: Di-Nizo CB, Banci KRS, Sato-Kuwabara Y, Silva MJJ (2017) Advances in cytogenetics of Brazilian rodents: cytotaxonomy, chromosome evolution and new karyotypic data. Comparative Cytogenetics 11(4): 833-892. https://doi.org/10.3897/CompCytogen.v11i4.19925
Table S1 : Explanation note: Sequences analysed for phylogenetic reconstruction (Maximum likelihood and Bayesian Inference) of Neacomys, with species, GenBank and lab/ field number, diploid and fundamental number (when available), locality and reference.
FIGURE 4 in Cytotaxonomy of Allium (Amaryllidaceae) subgenera Cyathophora and Amerallium sect. Bromatorrhiza
FIGURE 4. (a–c) Boxplots and 2-D scatter diagrams for diploids and polyploids based on karyotype asymmetry estimators. (d) Boxplots of the seed weight analysis. The legends of polyploids are filled by black. Species with different basic chromosome number correspond to Table 2. AN, subg. Anguinum includes A. victorialis, A. ovalifolium and A. prattii. Other species' abbreviations correspond to Fig. 3.
FIGURE 2 in Cytotaxonomy of Allium (Amaryllidaceae) subgenera Cyathophora and Amerallium sect. Bromatorrhiza
FIGURE 2. Microphotographs of somatic metaphases mainly focusing on the newly studied populations. (a–f) A. spicatum; (g–h) A. cyathophorum; (i) A. farreri; (j–l) the allotetraploid species; (m) A. fasciculatum; (n–p) A. przewalskianum; (q) karyotype of A. spicatum reported by Tang et al. (2005). Black arrows point to the secondary constrictions and intercalary satellites; brown arrows point to B chromosomes. Scale bars 10 μm.
FIGURE 1 in Cytotaxonomy of Allium (Amaryllidaceae) subgenera Cyathophora and Amerallium sect. Bromatorrhiza
FIGURE 1. Photographs of morphological traits in some species. Spicate vs. umbel-like inflorescences (a–b) and fleshy roots (c–d) in A. spicatum and A. fasciculatum; (e) the strong plant, (f) the leafing bulblets and pedicels, (g) small flower, (h–m) the number of ovules per locus, locus and style in A. omeisense; (n–p) the locus and ovules per locus in A. chienchuanense. Scale bars 1 mm.
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