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570 results for “Euphorbia”
Fig. 2 Splits graph for ITS sequences from 26 in Allopatric divergence and secondary contacts in Euphorbia spinosa L: Influence of climatic changes on the split of the species
Fig. 2 Splits graph for ITS sequences from 26 ribotypes of E. spinosa. Branch lengths were estimated using the standard implementation of split decomposition (SplitsTree 4.0 beta 06). Ribotype abbreviations are given in Table 3
Fig. 3 in Allopatric divergence and secondary contacts in Euphorbia spinosa L: Influence of climatic changes on the split of the species
Fig. 3 Graphic representation produced on the basis of the ISSR data matrix for E. spinosa. a Plot of grey square individuals by first- and second-principal (30% and 11%) components showing an intermediate position between the samples of the black square = Northwestern group and white square=Southeastern group. b Estimation, by using the software NEWHY- BRIDS (Anderson and Thompson 2002) of the posterior probability that each individual belongs to each of the six genotypic classes that originate after two generations of admixture. The six classes are: two pure lines (black =pure line 1, northwestern group and white = pure line 2, southeastern group), first generation hybrids (F1), second generation hybrids (F2), backcrosses to NW (BC_1); backcrosses to SE (BC_2). The length of each bar reflects the Bayesian posterior probabilities that the 90 analyzed individuals belong to line pure or hybrids. Population abbreviations are explained in Table 1
FIGURE 2 in Two new species of Euphorbia subg. Chamaesyce (Euphorbiaceae) from Baja California Sur, Mexico and their phylogenetic relationships
FIGURE 2. Phylogenetic reconstruction using the majority rule consensus from Bayesian analyses of the nuclear region ITS. Numbers above the branches are Bayesian posterior probabilities (PP). The new species are marked in bold. "Exvarieties" of Euphorbia polycarpa are marked with an asterisk.
FIGURE 1 in Two new species of Euphorbia subg. Chamaesyce (Euphorbiaceae) from Baja California Sur, Mexico and their phylogenetic relationships
FIGURE 1. Phylogenetic reconstruction using the majority rule consensus from Bayesian analyses of the chloroplast region psbA-trnH. Numbers above the branches are Bayesian posterior probabilities (PP). The new species are marked in bold. "Exvarieties" of Euphorbia polycarpa are marked with an asterisk.
FIGURE 5. Euphorbia vizcainensis Maya Lastra & V.W. Steinm. A in Two new species of Euphorbia subg. Chamaesyce (Euphorbiaceae) from Baja California Sur, Mexico and their phylogenetic relationships
FIGURE 5. Euphorbia vizcainensis Maya Lastra & V.W. Steinm. A. Capsule; B. seed (1. basal, 2. ventral and 3. dorsal view); C. involucral lobes detail; D. mature cyathium; E. detail of stipule trichomes; F. internode detail; G. immature cyathium; H. prostrate habit; I. detail of a flowering branch. Based on C.A.Maya-L. 437 (IEB).
FIGURE 3 in Two new species of Euphorbia subg. Chamaesyce (Euphorbiaceae) from Baja California Sur, Mexico and their phylogenetic relationships
FIGURE 3. Distribution map of the new species of Euphorbia in Baja California Sur (Mexico). A. Detail of Cerralvo Island.
FIGURE 4. Euphorbia cerralvensis Maya Lastra & V.W. Steinm. A in Two new species of Euphorbia subg. Chamaesyce (Euphorbiaceae) from Baja California Sur, Mexico and their phylogenetic relationships
FIGURE 4. Euphorbia cerralvensis Maya Lastra & V.W. Steinm. A. Detail of involucral lobes; B. seed (basal view) C. seed (1. ventral and 2. dorsal view); D. mature cyathium; E. immature cyathium; F. capsule; G. habit; H. detail of a flowering branch. Based on J. León de la Luz 9584 (HCIB).
FIGURE 1 in The taxonomic status of two geophytic Euphorbia species (Euphorbiaceae) from Maharashtra, India
FIGURE 1: Plate depicting variations in E. khandallensis (including plants that were formerly determined as E. panchganiensis). A. habit ('E. panchganiensis'). B. habit ('E. khandallensis'). C.: tuberous, branched rootstock ('E. panchganiensis'). D. cyathium ('E. panchganiensis'). E. cyathium ('E. khandallensis')-slightly more mature than D, thus with a long gynophore. F. capsule ('E. panchganiensis'). G. cyathia with bracts and six glands in one inflorescence and five in the other ('E. panchganiensis'). H. cyathia with bracts, male florets and glands ('E. khandallensis'). I. capsules ('E. khandallensis'). J. leaves ('E. panchganiensis'). K. leaves ('E. khandallensis'). Photographs by Rohit Mane and Ashish Nerlekar, taken at Kaas and Lonavala for 'E. panchganiensis' and 'E. khandallensis' respectively.
FIGURE 8 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 8. Euphorbia graminea in São Bento do Sul, Santa Catarina (A), and detail of inflorescence (B).
FIGURE 7 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 7. Image of the lectotype of Tithymalus stenophyllus (F. Sello s.n., G-00405797), which is the basionym of Euphorbia stenophylla. Published with permission of the Conservatoire et Jardin botaniques de la Ville de Genève.
FIGURE 6 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 6. Image of the lectotype of Euphorbia paranensis (P.K.H. Dusén 3391, S-R-10840). Published with permission of the Naturhistoriska Riksmuseet.
FIGURE 1 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 1. Image of the epitype of Euphorbia cyathophora (MO-3836231). Published with permission of the Missouri Botanical Garden.
FIGURE 2 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 2. Euphorbia cyathophora in Porto Belo, Santa Catarina. A. Detail of inflorescence. B. Detail of the environment.
FIGURE 5. A in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 5. A. Euphorbia hirtella in Urubici, Santa Catarina. B. Euphorbia stenophylla in Xanxerê, Santa Catarina.
FIGURE 4 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 4. Image of the lectotype of Euphorbia hirtella (F. Sello 1092, G-00405796). Published with permission of the Conservatoire et Jardin botaniques de la Ville de Genève.
FIGURE 3 in Updates on the genus Euphorbia (Euphorbiaceae) in Santa Catarina, Brazil
FIGURE 3. Distribution map of Euphorbia cyathophora (yellow stars), E. graminea (green diamond), E. ophthalmica (blue triangle) and E. thymifolia (red dots) in Santa Catarina.
FIGURES 39–56 in A biosystematic study of Euphorbia subgenus Chamaesyce (Euphorbiaceae) in Iran
FIGURES 39–56. SEM of pollen grains in studied species from subg. Chamaesyce sect. Anisophyllum. Figs. 39–41: E. chamaesyce, Fig 39: Subpolar view ×3000, Fig 40: Equatorial view ×3000, Fig 41: Exine structure ×7500. Figs. 42–44: E. granulata, Fig 42: Polar view ×3000, Fig 43: Equatorial view ×3000, Fig 44: Exine structure ×7500. Figs. 45–47: E. prostrata, Fig 45: Subpolar view ×4000, Fig 46: Equatorial view ×3000, Fig 47: Exine structure ×7500. Figs. 48–50: E. serpens, Fig 48: Polar view ×3000, Fig 49: Equatorial view ×3000, Fig 50: Exine structure ×7500. Figs. 51–53: E. indica, Fig 51: Subpolar view ×3000, Fig 52: Equatorial view ×3000, Fig 53: Exine structure ×7500. Figs. 54–56: E. maculata, Fig 54: Subpolar view ×3000, Fig 55: Equatorial view ×3000, Fig 56: Exine structure ×7500.
FIGURE 14 in A biosystematic study of Euphorbia subgenus Chamaesyce (Euphorbiaceae) in Iran
FIGURE 14. Leaf epidermis in studied species from subg. Chamaesyce sects. Anisophyllum and Cheirolepidium and subg. Esula. Figs. A: E. chamaesyce, Figs. B: E. granulata, Figs. C: E. indica, Figs. D: E. maculata, Figs. E: E. humifusa, Figs. F: E. nutans, Figs. G: E. prostrata, Figs. H: E. serpens, Figs. I: E. helioscopia (subg. Esula), Figs. J: E. peplus (subg. Esula), Figs. K: E. petiolata (subg. Chamaesyce sect. Cheirolepidium). Figs. 1: Lower epidermis, Figs. 2: Upper epidermis.
FIGURES 17–38 in A biosystematic study of Euphorbia subgenus Chamaesyce (Euphorbiaceae) in Iran
FIGURES 17–38. Optic micrographs of pollen grains in studied species from subg. Chamaesyce sects. Anisophyllum and Cheirolepidium and subg. Esula. Figs. Figs. 17–27: Polar view. Figs. 28–38: Equatorial view. Figs. 17 & 28: E. chamaesyce, Figs. 18 & 29: E. granulata, Figs. 19 & 30: E. prostrata, Figs. 20 & 31: E. serpens, Figs. 21 & 32: E. indica, Figs. 22 & 33: E. maculata, Figs. 23 & 34: E. nutans, Figs. 24 & 35: E. humifusa, Figs. 25 & 36: E. petiolata (sect. Cheirolepidium), Figs. 26 & 37: E. peplus (subg. Esula), Figs. 27 & 38: E. helioscopia (subg. Esula). All scale bars 20 μm.
FIGURES 3–13 in A biosystematic study of Euphorbia subgenus Chamaesyce (Euphorbiaceae) in Iran
FIGURES 3–13. Leaf epidermis in studied species from subg. Chamaesyce sects. Anisophyllum and Cheirolepidium and subg. Esula. Fig. 3: E. chamaesyce, Fig. 4: E. granulata, Fig. 5: E. indica, Fig. 6: E. maculata, Fig. 7: E. humifusa, Fig. 8: E. nutans, Fig. 9: E. prostrata, Fig. 10: E. serpens, Fig. 11: E. petiolata (sect. Cheirolepidium), Fig. 12: E. peplus (subg. Esula), Fig. 13: E. helioscopia (subg. Esula). A figures: abaxial side, B figures: adaxial side.
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