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196 results for “pollen morphology”
FIGURE 2 in Pollen morphology of the genus Hyacinthella (Asparagaceae) and Muscari azureum in Türkiye
FIGURE 2. LM microphotographs of Hyacinthella pollen. a–c H. acutiloba, d–f H. campanulata, g–I H. glabrescens, j–l H. heldreichii. a–d–g–j Polar-distal view, b–e–h–k Ornamentation in polar-proximal view with, c–f–I–l Aperture in polar-distal view (Scale bar: 10µm).
FIGURE 1 in Pollen morphology of the genus Hyacinthella (Asparagaceae) and Muscari azureum in Türkiye
FIGURE 1. Variation in polar axis (P) and equatorial diameter (E) of pollen in the studied Hyacinthella and Muscari taxa (µm).
FIGURE 7. Type 4.4 pollen. a in Morphology and anatomy of the exine in Saxifraga (Saxifragaceae)
FIGURE 7. Type 4.4 pollen. a) S. corymbosa, scale bar 10 μm; b) S. corymbosa, scale bar 3 μm; c) S. media, scale bar 3 μm; d) S. media, showing scabrae, scale bar 5 μm; e) S. federici-augusti, scale bar 3 μm; f) S. oppositifolia, showing continuous primary tectum, scale bar 2 μm; g) S. oppositifolia, scale bar 1 μm; h) S. oppositifolia, showing secondary columellae, scale bar 1 μm.
FIGURE 1 in Pollen morphology of Sabinaria magnifica (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 1. Pollen of Sabinaria magnifica viewed with different microscopy techniques. LM: 1.1a–b, polar view of a pollen grain with non-intruded sulcus and fine margin; 1.2a–c polar view of a pollen grain with slightly intruded sulcus; 1.3a–d equatorial view. SEM: 1.4 slightly asymmetric to symmetric pollen in an anther (arrow points at pollen grain with non-intruded sulcus); 1.5 detail of the exine surface on distal polar view of a pollen grain with slightly intruded sulcus. TEM: 1.6, ultrathin section through an entire pollen grain, polar plane; 1.7, detail of the exine structure.
FIGURE 2 in Pollen morphology of some Arenaria taxa (Caryophyllaceae)
FIGURE 2. Light microscope (LM) photos of representative Arenaria "Group B" sensu McNeill (1967a) taxa (ornamentation): (A) A. luschanii, (B) A. graveolens, (C) A. rhodia subsp. rhodia var. rhodia, (D) A. pamphylica subsp. pamphylica var. pamphylica, (E) A. pamphylica subsp. pamphylica var. turcica, (F) A. pamphylica subsp. alpestris, (G) A. mcneillii, (H) A. serpyllifolia, (I) A. leptoclados, (J) A. tremula, (K) A. macrosepala.
FIGURE 6 in Pollen morphology of some Arenaria taxa (Caryophyllaceae)
FIGURE 6. Dendrogram of 11 Arenaria "Group B" sensu McNeill (1967a) constructed on the basis of the shortest Euclidean distances.
FIGURE 3 in Pollen morphology of some Arenaria taxa (Caryophyllaceae)
FIGURE 3. SEM micrographs of pollen grains in the Arenaria "Group B" sensu McNeill (1967a) taxa examined (general views): (A) A. luschanii, (B) A. graveolens, (C) A. rhodia subsp. rhodia var. rhodia, (D) A. pamphylica subsp. pamphylica var. pamphylica, (E) A. pamphylica subsp. pamphylica var. turcica, (F) A. pamphylica subsp. alpestris, (G) A. mcneillii, (H) A. serpyllifolia, (I) A. leptoclados, (J) A. tremula, (K) A. macrosepala.
FIGURE 4 in Pollen morphology of some Arenaria taxa (Caryophyllaceae)
FIGURE 4. SEM micrographs of pollen grains in the Arenaria "Group B" sensu McNeill (1967a) taxa examined (operculum): (A) A. luschanii, (B) A. graveolens, (C) A. rhodia subsp. rhodia var. rhodia, (D) A. pamphylica subsp. pamphylica var. pamphylica, (E) A. pamphylica subsp. pamphylica var. turcica, (F) A. pamphylica subsp. alpestris, (G) A. mcneillii, (H) A. serpyllifolia, (I) A. leptoclados, (J) A. tremula, (K) A. macrosepala.
FIGURE 5 in Pollen morphology of some Arenaria taxa (Caryophyllaceae)
FIGURE 5. SEM micrographs of pollen grains in the Arenaria "Group B" sensu McNeill (1967a) taxa examined (surface details): (A) A. luschanii, (B) A. graveolens, (C) A. rhodia subsp. rhodia var. rhodia, (D) A. pamphylica subsp. pamphylica var. pamphylica, (E) A. pamphylica subsp. pamphylica var. turcica, (F) A. pamphylica subsp. alpestris, (G) A. mcneillii, (H) A. serpyllifolia, (I) A. leptoclados, (J) A. tremula, (K) A. macrosepala.
FIGURE 1 in Pollen morphology of some Arenaria taxa (Caryophyllaceae)
FIGURE 1. Light microscope (LM) photos of represantative Arenaria "Group B" sensu McNeill (1967a) taxa (optical section: LO analysis): (A) A. luschanii, (B) A. graveolens, (C) A. rhodia subsp. rhodia var. rhodia, (D) A. pamphylica subsp. pamphylica var. pamphylica, (E) A. pamphylica subsp. pamphylica var. turcica, (F) A. pamphylica subsp. alpestris, (G) A. mcneillii, (H) A. serpyllifolia, (I) A. leptoclados, (J) A. tremula, (K) A. macrosepala.
FIGURE 28. Pollen. A in New circumscription of Cryptanthus and new Cryptanthoid genera and subgenera (Bromeliaceae: Bromelioideae) based on neglected morphological traits and molecular phylogeny
FIGURE 28. Pollen. A. Orthophytum diamantinense (Leme 5835). B. Orthophytum mello-barretoi (Leme 7243). C. Orthophytum graomogolense (Leme 7175). D. Orthophytum glabrum (Leme 3281). E. Orthophytum conquistense (Leme 6024). F. Orthophytum benzingii (Leme 3661). G. Orthophytum zanonii (Leme 5935). H. Orthophytum vagans (Leme 5952). I. Orthophytum pseudovagans (Leme 7028). J. Orthophytum compactum (Leme 5604). K. Sincoraea hatschbachii (Leme 5332). L. Sincoraea ophiurioides (Leme 2282). M. Sincoraea amoena (Leme 6548). N. Lapanthus duartei (Leme 8995). O. Lapanthus itambensis (Leme 9064). Bars = 10 µm.
FIGURE 27. Pollen. A in New circumscription of Cryptanthus and new Cryptanthoid genera and subgenera (Bromeliaceae: Bromelioideae) based on neglected morphological traits and molecular phylogeny
FIGURE 27. Pollen. A. Cryptanthus acaulis (Leme 3812). B. Cryptanthus bromelioides (Leme 016-B). C. Cryptanthus marginatus (Leme 290). D. Hoplocryptanthus schwackeanus (Leme 4250). E. Hoplocryptanthus glaziovii (Leme 1545). F. Hoplocryptanthus lavrasensis (Leme 6112). G. Forzzaea leopoldo-horstii (Leme 9084). H. Forzzaea sp. nov. (Leme 9082). I. Forzzaea sp. nov. (Leme 9085). J. Rokautskyia pseudoscaposa (Leme 5218). K. Rokautskyia microglazioui (Leme 157). L. Rokautskyia latifolia (Leme 5520). M. Orthophytum vasconcelosianum (Leme 8673). N. Orthophytum santaritense (Leme 8945). O. Orthophytum roseolilacinum (Leme 8885). Bars = 10 µm.
FIGURE 4 in The systematic value of pollen morphology of Passiflora subgenus Astrophea (Passifloraceae)
FIGURE 4. Photomicrographs and electron photomicrographs of pollen grains of the species of Passiflora subg. Astrophea. A–B. P. rusbyi—equatorial view: A. endoaperture, B. general aspect. C–D. P. sclerophylla—equatorial view: C. general aspect. D. ornamentation detail. E–G. P. securiclata—polar view: E. general aspect; equatorial view: F. general aspect. G. ornamentation detail. H–K. P. tessmannii— polar view: H optical section; equatorial view: I. endoaperture, J. general aspect. K. ornamentation detail. L. P. venosa—equatorial view: general aspect. Scale bar: 10 μm (A, B, C, H, I); 5 μm (E, F, J, L); 2 μm (D, G, K).
FIGURE 3 in The systematic value of pollen morphology of Passiflora subgenus Astrophea (Passifloraceae)
FIGURE 3. Photomicrographs and electron photomicrographs of pollen grains of the species of Passiflora subg. Astrophea. A. P. chlorina—equatorial view: A. apertures. B–C. P. emarginata—polar view: B. optical section; equatorial view: C. general aspect. D–E. P. fuchsiiflora—polar view: D. optical section; equatorial view: E. endoaperture. F–H. P. lindeniana—polar view: F. general aspect; equatorial view: G. pontoperculum. H. ornamentation detail. I–M. P. phaeocaula—polar view: I. general aspect, J–K. L.O. analysis; equatorial view: L. general aspect. M. ornamentation detail. Scale bar: 10 μm (A, B, C, D, E, F, G, I, L). 5 μm (J, K); 2 μm (H, M).
FIGURE 6 in The systematic value of pollen morphology of Passiflora subgenus Astrophea (Passifloraceae)
FIGURE 6. Principal component analysis performed with the pollen metrical variables from species of Passiflora subg. Astrophea. Pentagon: pollen type I; circle: pollen type II; square: pollen type III, triangle: pollen type IV, diamond: type pollen V. Species names are abbreviated with three/five first letters of the epithet.All, alliacea; amo, amoena; arb, arborea; bal, balbis; can, candida; car, cardonae; cau, cauliflora; cer, ceratocarpa; cerra, cerradensis; chl, chlorina, cos, costata; ell, elliptica; ema, emarginata; far, faroana; fuc, fuchsiiflora; hae, haematostigma; hex, hexagonocarpa; hol, holtii; jus, jussieui; lin, lindeniana; mac, macrophylla; mag, maguirei; man, mansoi; ova, ovata; pen, pentagona; pha, phaeocaula; pit, pittieri; pyr, pyrrhantha; que, quelchii; rha, rhamnifolia; rus, rusbyi; scl, sclerophylla; sec, securiclata; ski, skiantha; sph, sphaerocarpa; tes, tessmannii and ven, venosa.
FIGURE 5 in The systematic value of pollen morphology of Passiflora subgenus Astrophea (Passifloraceae)
FIGURE 5. Cluster analysis performed on pollen metrical variables from species of Passiflora subg. Astrophea. Species names are abbreviated with three/five first letters of the epithet.All, alliacea; amo, amoena; arb, arborea; bal, balbis; can, candida; car, cardonae; cau, cauliflora; cer, ceratocarpa; cerra, cerradensis; chl, chlorina, cos, costata; ell, elliptica; ema, emarginata; far, faroana; fuc, fuchsiiflora; hae, haematostigma; hex, hexagonocarpa; hol, holtii; jus, jussieui; lin, lindeniana; mac, macrophylla; mag, maguirei; man, mansoi; ova, ovata; pen, pentagona; pha, phaeocaula; pit, pittieri; pyr, pyrrhantha; que, quelchii; rha, rhamnifolia; rus, rusbyi; scl, sclerophylla; sec, securiclata; ski, skiantha; sph, sphaerocarpa; tes, tessmannii and ven, venosa. Trees illustration represent arboreal species, all other are lianas.
FIGURE 2 in The systematic value of pollen morphology of Passiflora subgenus Astrophea (Passifloraceae)
FIGURE 2. Photomicrographs and electron photomicrographs of pollen grains of the species of Passiflora subg. Astrophea. A–B. P. maguirei—equatorial view: A. mesocolpium. B. ornamentation detail. C–E. P. ovata—polar view: C. general aspect; equatorial view: D. apertures. E. ornamentation detail. F–H. P. quelchii—polar view: F. general aspect; equatorial view: G. apertures. H. ornamentation detail. I–K. P. amoena—polar view: I. general aspect; equatorial view: J. general aspect. K. ornamentation detail. L. P. chlorina—polar view: general aspect. Scale bar: 10 μm (A, C, D, F, G, L). 5 μm (I, J); 2 μm (B, E, H, K).
FIGURE 1 in The systematic value of pollen morphology of Passiflora subgenus Astrophea (Passifloraceae)
FIGURE 1. Photomicrographs and electron photomicrographs of pollen grains of the species of Passiflora subg. Astrophea. A–D. P. macrophylla—polar view: A. general aspect; equatorial view: B. apertures, C. general aspect, D. ornamentation detail. Arrows indicate bacula and pila. E–G. P. jussieui—polar view: E. general aspect; equatorial view: F. apertures. G. ornamentation detail. H–K. P. cardonae— polar view: H. general aspect; equatorial view: I. endoaperture, J. general aspect. K. ornamentation detail. L. P. maguirei—polar view: L. general aspect. Scale bar: 10 μm (A–C, E–F, H–J, L); 2 μm (D, G, K).
FIGURE 6 in Contribution to the pollen morphology of Tragopogon (Asteraceae) in Turkey
FIGURE 6. Principal coordinate ordination of 25 taxa of Tragopogon, in which the colour of ligules is shown for all of them.
FIGURE 4 in Contribution to the pollen morphology of Tragopogon (Asteraceae) in Turkey
FIGURE 4. Scanning Electron Microscope (SEM) pollen morphology of the examined Tragopogon taxa. A–D) T. albinervis; E–H) T. aureus; I–L) T. fibrosus; M–P) T. subacaulis.
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Allen Brain Atlas
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OpenNeuro
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