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325 results for “Marchantiophyta”
FIGURE 16. Thysananthus discretus Sukkharak & Gradst. A–B in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 16. Thysananthus discretus Sukkharak & Gradst. A–B. Portion of shoot, ventral view. C–D. Leaves, ventral view. E–F. Underleaves, ventral view. G. Female bracts, ventral view: a appendage. H. Female bracteole, ventral view. I. Perianth, dorsal view. J. Perianth, ventral view. K. Leaf apex. L–M. Margin cells of leaf lobe. N. Median cells of leaf lobe. O. Basal cells of leaf lobe. P. Leaf lobule apices. Q. Cross section of stem. (A, C, E, G–K, M–Q from the holotype; B, D, F, L from Streimann 13622 (JE)).
FIGURE 14. Thysananthus convolutus Lindenb. A in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 14. Thysananthus convolutus Lindenb. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H. Leaf apices. I. Margin cells of leaf lobe. J. Median cells of leaf lobe. K. Basal cells of leaf lobe. L. Leaf lobule apices. M. Cross section of stem. N. Oil bodies. (A–M from the lectotype; N from Sukkharak 717 (BKF, GOET)).
FIGURE 10 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 10. Thysananthus amazonicus (Spruce) Schiffn. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H–J. Leaf apices. K. Margin cells of leaf lobe. L. Median cells of leaf lobe. M. Basal cells of leaf lobe. N–Q. Leaf lobule apices. R. Cross section of stem. (All from Gehrig s.n. (GOET)).
FIGURE 7 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 7. Bayesian molecular phylogenetic reconstructions inferred from the separated chloroplast (A) and ITS (B) datasets, including differences in sequence lengths (indels) coded by simple indel coding (SIC). Modified after Sukkharak et al. (2011b).
FIGURE 4 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 4. Sporophyte in Thysananthus. A. Outer surface of capsule valve, showing rectangular-shaped hinge. B–D. Cells of the outer layer of the capsule valve, surface view. E. Inner surface of dehiscing capsule, showing base of capsule and longitudinal ridges. F. Cells of the inner layer of the capsule valve, surface view. G. Inner surface of dehiscing capsule, showing elaters patterns of either 1+3+5+6 or 2+4+6+6 per valve. H. Elaters. I. Spores. (A–G from T. spathulistipus, Yong & Ponniah 2981 (GOET); H from T. spathulistipus, Thiers & Roy 2397 (U); I from T. spathulistipus, Sipman 6992 (U)).
FIGURE 23 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 23. Thysananthus fruticosus (Lindenb. & Gottsche) Schiffn. A. Portion of shoot, ventral view. B. Leaves, ventral view: a = appendage. C. Underleaves, ventral view. D. Female bracts, ventral view: a = appendage. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H. Leaf apex. I. Margin cells of leaf lobe. J. Median cells of leaf lobe. K. Basal cells of leaf lobe, showing the vitta. L–M. Leaf lobule apices. N. Cross section of stem. (A–C, H–N from the lectotype; D–G from Brass 22185 (JE)).
FIGURE 1 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 1. Method of measurement in Thysananthus. A. Leaf, ventral view; a = appendage, d = dorsal leaf margin, f = lobule free margin, k = keel, l = leaf length, lb = lobule length, t1,2 = lobule teeth, u = auricle, v = ventral leaf margin, w = leaf width, wb = lobule width. B. Underleaf, ventral view; u = auricle, l = underleaf length, w = underleaf width. C. Perianth, ventral view; b = beak, l = perianth length, w = perianth width. D. Portion of shoot with Lejeunea-type branching, ventral view; c = collar. E. Portion of shoot with androecia, gynoecium, and lejeuneoid innovation (dichasial pattern), ventral view. F. Flagellum at stem base, ventral view. G. Dorsal leaf bases are distinctly extending across the dorsal midline of the stem, indicating that lateral merophytes are dorsally interlocking; h = hyaline papillae. H. Underleaf base in longitudinal section. (A from the lectotype of T. appendiculatus; B–C from the holotype of T. discretus; D from T. spathulistipus, Sukkharak 766 (BKF, GOET); E from T. spathulistipus, Sukkharak 746 (BKF, GOET); F from isolectotype of T. comosus; G from T. spathulistipus, Sukkharak 716 (BKF, GOET); H from holotype of T. discretus).
FIGURE 6 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 6. Bayesian molecular phylogenetic reconstruction inferred from the combined chloroplast and ITS dataset, excluding one sample of Thysananthus pancheri which showed conflicting positions in the chloroplast and ITS trees. Branch thickness and color indicate posterior probability values from Bayesian analyses with gaps treated as missing data (BPP) and with indels coded by SIV (BPPSIC) as well as bootstrap support from respective maximum parsimony analyses (MPB, MPBSIC). Modified after Sukkharak et al. (2011b).
FIGURE 17 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 17. Thysananthus gottschei (J.B.Jack & Steph.) Steph. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view: a = appendage. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H. Leaf apex. I. Margin cells of leaf lobe. J. Median cells of leaf lobe. K. Basal cells of leaf lobe. L. Leaf lobule apex. M. Cross section of stem. (A–C, H–M from the lectotype; D–G from Gradstein 10324 (GOET)).
FIGURE 13. Thysananthus comosus Lindenb. A in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 13. Thysananthus comosus Lindenb. A. Portion of shoot, ventral view. B–C. Leaves, ventral view. D–E. Underleaves, ventral view. F. Female bracts, ventral view. G. Female bracteole, ventral view. H. Perianth, dorsal view. I. Perianth, ventral view. J. Leaf apex. K. Margin cells of leaf lobe. L. Median cells of leaf lobe. M. Basal cells of leaf lobe. N.–P. Leaf lobule apices. Q. Cross section of stem. R. Oil bodies (A, C, E–Q from the lectotype, B, D from Schiffner s.n. (GOET), R from Sukkharak 730 (BKF, GOET)).
FIGURE 12 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 12. Thysananthus ciliaris (Sande Lac.) Sukkharak. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H. Leaf apex. I. Margin cells of leaf lobe. J. Median cells of leaf lobe. K. Basal cells of leaf lobe. L. Leaf lobule apices. M. Cross section of stem. (All from Gradstein 10366 (GOET)).
FIGURE 9. Thysananthus aculeatus Herzog. A in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 9. Thysananthus aculeatus Herzog. A. Portion of shoot, ventral view. B., C. Leaves, ventral view. D., F. Perianth, dorsal view. E., G. Perianth, ventral view. H–K. Leaf lobule apices. (A, C, F, G, I–K from the holotype of T. richardsianus; B, D, E, H from the holotype of T. formosanus).
FIGURE 5 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 5. Distribution of Thysananthus species. A. Thysananthus amazonicus (Spruce) Schiffn. B. Thysananthus spathulistipus (Reinwardt, Blume & Nees) Lindenb. C. Thysananthus convolutus Lindenb. D. Thysananthus mollis Steph., E. Thysananthus pancheri (Steph.) Hürl. F. Thysananthus anguiformis (Hook.f. & Taylor) Taylor ex Gottsche, Lindenb. & Nees G. Thysananthus comosus Lindenb. H. Thysananthus fruticosus (Lindenb. & Gottsche) Schiffn. I. Thysananthus aculeatus Herzog. J. Thysananthus appendiculatus Steph. K. Thysananthus montanus Gradst., X.-L. He & Piippo. L. Thysananthus retusus (Reinw., Blume & Nees) B.M.Thiers & Gradst. M. Thysananthus gottschei (Jack & Steph.) Steph. N. Thysananthus ciliaris comb. nov. O. Thysananthus discretus Sukkharak & Gradst.
FIGURE 8. Thysananthus aculeatus Herzog. A in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 8. Thysananthus aculeatus Herzog. A. Portion of shoot, ventral view. B–C. Leaves, ventral view. D. Underleaves, ventral view. E. Female bracts, ventral view. F. Female bracteole, ventral view. G. Perianth, dorsal view. H. Perianth, ventral view. I. Leaf apices. J. Margin cells of leaf lobe. K. Median cells of leaf lobe. L. Basal cells of leaf lobe. M–O. Leaf lobule apices. P. Cross section of stem. (A–B, D–M, P from the lectotype; C, N, O from the paralectotype).
FIGURE 15 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 15. Thysananthus convolutus var. laceratus (Steph.) Sukkharak. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view: a = appendage. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H. Leaf apex. I. Margin cells of leaf lobe. J. Median cells of leaf lobe. K. Basal cells of leaf lobe. L. Leaf lobule apices. M. Leaf lobule base. N. Cross section of stem. (All from the lectotype).
FIGURE 24 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 24. Thysananthus fruticosus (Lindenb. & Gottsche) Schiffn. A–B. Portion of shoot, ventral view: a = appendage. C–D. Leaves, ventral view: a = appendage. E. Underleaves, ventral view. (A, C, E from Beccari s.n. (JE); B, D from Streimann 25733 (JE)).
FIGURE 19 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 19. Thysananthus spathulistipus (Reinw., Blume & Nees) Lindenb. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H. Leaf apex. I. Margin cells of leaf lobe. J. Median cells of leaf lobe. K. Basal cells of leaf lobe. L–M. Leaf lobule apices. N. Cross section of stem. O. Oil bodies. (A–N from the holotype; L from Pócs 9358/B (EGR); O from Sukkharak 716 (BKF, GOET)).
FIGURE 22 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 22. Thysananthus pancheri (Steph.) Hürl. A. Portion of shoot, ventral view. B. Leaves, ventral view. C. Underleaves, ventral view. D. Female bracts, ventral view: a = appendage. E. Female bracteole, ventral view. F. Perianth, dorsal view. G. Perianth, ventral view. H–I. Leaf apices. J. Margin cells of leaf lobe. K. Median cells of leaf lobe. L. Basal cells of leaf lobe. M–N. Leaf lobule apices: h = hyaline papilla. O. Cross section of stem. (All from the lectotype).
FIGURE 2 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 2. Leaves and underleaves adnation and appendages in Thysananthus. A. Portions of plant, ventral view; d = adnation, a = appendage. B. Adnation in longitudinal section. C. Appendages at bases of leaf keels. D–F. Female bracts, ventral view; a = appendage. G. Appendage and hyaline papilla at base of bract keels; h = hyaline papilla. H. Appendage at mid-basal portion of bract lobule. I. Perianth, ventral view; a = appendage. J. Appendage and hyaline papilla of perianth; h = hyaline papilla. K. Portions of plant showing appendage at lobule base, ventral view; a = appendage. L. Appendage; b = lobule, a = appendage, h = hyaline papilla, s = stem. (A from the isolectotype of T. comosus; B from T. spathulistipus, Sukkharak 766 (BKF, GOET); C, E, H from the holotype of T. discretus; D from the holotype of T. gottschei var. continuus; F from T. appendiculatus, Gradstein 3875 (U); G from T. appendiculatus, Streimann & Tamba 12358 (JE); I–J from T. mollis, Gradstein 3795 (U); K from T. retusus subsp. retusus, Sukkharak 733 (BKF, GOET); L from T. montanus, Streimann 13639 (LAE)).
FIGURE 3 in A systematic monograph of the genus Thysananthus (Lejeuneaceae, Marchantiophyta)
FIGURE 3. Androecia, gynoecia, and young sporophyte in Thysananthus. A. Portion of androecial spike showing epistatic and hypostatic lobules, ventral view: e = epistatic, h = hypostatic. B. Male bract with 2 antheridia. C. Antheridia. D. Juvenile perianth. E. Perianth and protruding archegonial neck. F. Archegium and archgonial neck. G. Later stage of development. H. Sporophyte prior to elongation of seta. I. Sporophyte after partial elongation of seta. J. Mature perianth, just dehiscence. K. Transverse section of seta. (A from T. amazonicus, Cornelissen & Steeger C682 (U); B from T. spathulistipus, Gradstein 3964 (U); C from T. spathulistipus, Gradstein 3965 (U); D–G from T. spathulistipus, Sukkharak 766 (BKF, GOET); H–I, K from T. retusus subsp. retusus, Streimann 40547 (JE); J from T. spathulistipus, Sipman 6992 (U)).
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