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325 results for “Marchantiophyta”
FIGURE 6 in The genus Colura section Gamolepis (Lejeuneaceae, Marchantiophyta) in Malesian region, with the description of Colura sigmoidea
FIGURE 6. Colura verdoornii Herzog & Jovet-Ast: A. Portion of plant with gynoecium, dorsal view. B. Portion of plant, ventral view. C. Stem in transverse section. D–E. Lateral leaves, D. ventral view, E. dorsal view. F–G. Leaf lobe cells, F. median cells, G. marginal cells. H. Crest on the apex of lobule sac. I. Valve (b = basal median cell, h = hinge cell, hy = hyaline papilla). J. Valve frame. K. Underleaf. L–M. Androecia, L. dorsal view, M. ventral view. N–O. Female bracts, N. dorsal view, O. ventral view. P–Q. Female bracteoles. R. Perianth with young sporophyte. S. Spore. T. Gemmae occuring on lobule sac apex. A–B, D–E, H–K, N–T. from Chantanaorrapint et al. 2277A (PSU), C, F–G, L–M. from Sangrattanaprasert 374/15 (PSU).
FIGURE 3 in The genus Colura section Gamolepis (Lejeuneaceae, Marchantiophyta) in Malesian region, with the description of Colura sigmoidea
FIGURE 3. Colura sigmoidea Sangratt., Chantanaorr. & R.L.Zhu: A. Portion of plant with gynoecia, dorsal view. B. Portion of plant with androecia, ventral view. C. Stem in transverse section. D–E. Lateral leaves, D. ventral view, E. dorsal view with gemmae. F–G. Leaf lobe cells, F. median cells, G. marginal cells. H. Crest on the apex of lobule sac. I. Valve attached to valve frame. J. Valve (b = basal median cell, h = hinge cell, hy = hyaline papilla). K. Underleaf. L–M. Androecia, L. dorsal view, M. ventral view. N–O. Female bracts, N. dorsal view, O. ventral view. P. Female bracteole. Q. Perianth with bracts and bracteole. R. Perianth beak. A–B, N–R from Sangrattanaprasert 263/15C (PSU), C–K from Sangrattanaprasert 105/14 (PSU), L–M from Sangrattanaprasert 83/14E (PSU).
FIGURE 1 in The genus Colura section Gamolepis (Lejeuneaceae, Marchantiophyta) in Malesian region, with the description of Colura sigmoidea
FIGURE 1. Colura cristata Jovet-Ast: A–B. Portions of plant with androecia and gynoecia, A. dorsal view, B. ventral view. C. Stem in transverse section. D–E. Lateral leaves, D. ventral view, E. dorsal view. F–G. Leaf lobe cells, F. median cells, G. marginal cells. H–I. Crests on the apex of lobule sacs. J. Valve (b = basal median cell, h = hinge cell, hy = hyaline papilla). K. Valve frame. L. Underleaf. M–N. Androecia, M. dorsal view, N. ventral view. O–P. Female bracts, O. dorsal view, P. ventral view. Q. Female bracteole. R. Perianth with young sporophyte. S. Spore. All from R.-L. Zhu, L. Shu & X.B. Yin 20160916-2 (HSNU).
FIGURE 2 in The genus Colura section Gamolepis (Lejeuneaceae, Marchantiophyta) in Malesian region, with the description of Colura sigmoidea
FIGURE 2. Colura meijeri Jovet-Ast: A. Portion of plant with gynoecium, dorsal view. B. Portion of plant, ventral view. C. Stem in transverse section. D–E. Lateral leaves, D. ventral view, E. dorsal view. F–G. Leaf lobe cells, F. median cells, G. marginal cells. H. Lobule sac apex. I. Valve (b = basal median cell, h = hinge cell, hy = hyaline papilla). J. Valve frame. K. Underleaf. L–M. Androecia, L. dorsal view, M. ventral view. N–O. Female bracts, N. dorsal view, O. ventral view. P. Female bracteole. Q. Perianth with young sporophyte. R. Spore. All from Sangrattanaprasert 26/13 (PSU).
FIGURE 1 in The lectotypification of Frullania mexicana and the description of F. clarkii sp. nov. (Frullaniaceae, Marchantiophyta)
FIGURE 1. Line drawing of Frullania clarkii sp. nov. 1, 2, 4: Underleaves. 3, 8: Median cells of leaf lobe. 5–7, 10: Leaf lobes, dorsal view. 9, 13: Shoots, ventral view. 11, 12, 14: Leaf lobes and lobules, ventral view. 15: Enlarged leaf lobule, ventral view. Scale bars: 750 μm for 1, 2, 4; 100 μm for 3; 50 μm for 8; 2 mm for 9; 850 μm for 5–7, 10–12, 14; 1.5 mm for 13; 500 μm for 15. All from holotype (G00114898), by Yuriy Mamontov.
FIGURE 1. Acrolejeunea recurvata Gradstein 1. A in Acrolejeunea meghalayensis, a new synonym of Acrolejeunea recurvata (Lejeuneaceae: Marchantiophyta)
FIGURE 1. Acrolejeunea recurvata Gradstein 1. A portion of female plant. 2. A portion of male plant. 3. A portion of plant. 4, 5. The same enlarged. 6. A leaf. 7. A leaf lobule. 8. A portion of plant bearing flagelliform branch. 9, 10. The same enlarged. [1, 2 from A.Touw 9464 (L), holotype of A. recurvata, 3–7 from A.P. Singh 208657-B (LWG), holotype of A. meghalayensis, 8–10 from A.P. Singh 208658- A (LWG), paratype of A. meghalayensis]
FIGURE 1. Lejeunea streimannii Y.M.Wei & R.L.Zhu. A in Lejeunea streimannii (Lejeuneaceae, Marchantiophyta), a remarkable new species with robust stems and 5(or 6)-keeled perianths from Papua New Guinea
FIGURE 1. Lejeunea streimannii Y.M.Wei & R.L.Zhu. A: part of plant with perianth, ventral view. B: part of plant with two androecia, ventral view. C, D: leaves, ventral view. E, F: a perianth showing its keels, ventral view (E), dorsal view (F). G, S: transverse sections of stem. H: marginal cells of leaf lobe. I: median cells of leaf lobe. J: basal cells of leaf lobe. K, L: transverse section of perianths. M, O: female bracts. N: female bracteole. P: leaf lobule with part of stem. Q, R: apex of leaf lobules. T: androecium. U, V: underleaves. A, C−S and U−V from H. Streimann 21509 (holotype), B and T from H. Streimann 33431 (paratype).
FIGURE 3. Marchesinia principensis. A in Marchesinia principensis (Marchantiophyta, Lejeuneaceae), a new liverwort species from Príncipe, West Africa
FIGURE 3. Marchesinia principensis. A. Stem with perianths and innovations in dorsal (left) and ventral (right) view. B. Perianth in dorsal view. C. Perianth apex. D. Bracteole. E. Bract. F. Cells in middle part of perianth. G. Secondary shoot with androecia. H. Male bracts. All from Shevock 40193. Photos by F. Müller.
FIGURE 2. Marchesinia principensis. A. Lobes. B. Lobules. C. Underleaves. D. Stem cross section. E. Basal lobe cells. F. Mid-lobe cells. G in Marchesinia principensis (Marchantiophyta, Lejeuneaceae), a new liverwort species from Príncipe, West Africa
FIGURE 2. Marchesinia principensis. A. Lobes. B. Lobules. C. Underleaves. D. Stem cross section. E. Basal lobe cells. F. Mid-lobe cells. G. Cells at lobe apex. H. Stem in ventral view, underleaves are detached. All from Shevock 40260. Photos by F. Müller.
FIGURE 1. Marchesinia principensis. A in Marchesinia principensis (Marchantiophyta, Lejeuneaceae), a new liverwort species from Príncipe, West Africa
FIGURE 1. Marchesinia principensis. A. Shoots in dry condition. B. Shoots in wet condition, ventral view. C. Stem in dorsal view. D. Stem in ventral view. All from Shevock 40260. Photos by F. Müller.
FIGURE 4. Metzgeria leptoneura. A in The liverwort genus Metzgeria (Metzgeriaceae, Marchantiophyta) in Thailand
FIGURE 4. Metzgeria leptoneura. A. Part of thallus, dorsal view. B. Part of thallus, ventral view. C. Part of male thallus with antheridial branches, ventral view. D. Part of female thallus with involucres and sporophyte, ventral view. E. Part of thallus with gemmae and adventitious shoots, ventral view; g = gemma, a = adventitious shoot. F. Cells of thallus apex with mucilage, ventral view. G. Marginal cells of wing and hairs, ventral view. H. Median cells of wing, dorsal view. I. Midrib and median cells of wing, dorsal view. J. Cross section of thallus. K. Elaters. [All from Akiyama, Irie, Printarakul & Kanzai 1322 (BKF)].
FIGURE 5. Metzgeria lindbergii. A in The liverwort genus Metzgeria (Metzgeriaceae, Marchantiophyta) in Thailand
FIGURE 5. Metzgeria lindbergii. A. Part of thallus, dorsal view; B. Part of thallus, ventral view. C. Part of thallus with antheridial branches, involucres, calyptra, and sporophyte, ventral view. D. Marginal cells of wing and hairs, ventral view. E. Median cells of wing, dorsal view. F. Midrib and median cells of wing, dorsal view. G. Cross section of midrib. H. Elaters. [All from Sukkharak 161/1210 (hb. Burapha Univ.)].
FIGURE 3. Metzgeria kinabaluensis. A in The liverwort genus Metzgeria (Metzgeriaceae, Marchantiophyta) in Thailand
FIGURE 3. Metzgeria kinabaluensis. A. Part of thallus, dorsal view; B. Part of thallus, ventral view. C. Part of male thallus with antheridial branch, ventral view. D. Marginal cells of wing and hairs, ventral view. E. Median cells of wing, dorsal view. F. Midrib and median cells of wing, dorsal view. G. Cross section of thallus [All from Chantanaorrapint & Suwanmala 3890 (PSU)].
FIGURE 2. Metzgeria furcata. A in The liverwort genus Metzgeria (Metzgeriaceae, Marchantiophyta) in Thailand
FIGURE 2. Metzgeria furcata. A. Part of thallus, dorsal view. B. Part of thallus, ventral view. C. Part of female thallus with involucres and adventitious shoot, ventral view; a = adventitious shoot. D. Marginal cells of wing and hairs, ventral view. E. Median cells of wing, dorsal view. F. Midrib and median cells of wing, dorsal view. G. Cross section of thallus [All from Sukkharak 121/1197 (hb. Burapha Univ.)].
FIGURE 1. Metzgeria consanguinea. A in The liverwort genus Metzgeria (Metzgeriaceae, Marchantiophyta) in Thailand
FIGURE 1. Metzgeria consanguinea. A. Part of thallus with attenuated apex and gemma, dorsal view; g = gemma. B. Part of thallus with attenuated apex and gemma, ventral view; g = gemma. C. Part of thallus with obtuse apices, dorsal view. D. Part of thallus with obtuse apices, ventral view. E. Part of female thallus with involucres, ventral view. F. Marginal cells of wing and hairs, ventral view. G. Median cells of wing, dorsal view. H. Midrib and median cells of wing, dorsal view. I. Cross section of thallus. [A–E, G–I from Sukkharak 202/1230 (hb. Burapha Univ.); F from Sukkharak 168/1212 (hb. Burapha Univ.)].
FIGURE 3 in Diplophyllum purpurascens (Scapaniaceae, Marchantiophyta)-a new species from Sino-Himalaya (China)
FIGURE 3. Diplophyllum purpurascens Bakalin & Vilnet: A—gemmae lying on leaf apical part, dorsal view; B—gemmae; C—plant habit, dorsal view; D, E—oil bodies in the midleaf cells; F, G—papillose cuticle. Scales: 100 µm, for A, B, D–G; 1 mm for C. All from С-73-29-18 (VBGI).
FIGURE 2 in Diplophyllum purpurascens (Scapaniaceae, Marchantiophyta)-a new species from Sino-Himalaya (China)
FIGURE 2. Diplophyllum purpurascens Bakalin & Vilnet: A—plant habit with gemmae at leaves apices, dorsal view; B—plant habit, dorsal view; C—stem cross section; D–G—leaves. Scales: a—100 µm, for C; b—1 mm for A, B, D–G. All from С-73-29-18 (VBGI).
FIGURE 1 in Diplophyllum purpurascens (Scapaniaceae, Marchantiophyta)-a new species from Sino-Himalaya (China)
FIGURE 1. The phylogenetic tree obtained under the maximum likelihood criterion for the family Scapaniaceae based on combined nucleotide sequences dataset ITS1-2+trnL-F +rbcL. Bootstrap support values under maximum parsimony, maximum-likelihood, and Bayesian posterior probabilities> 50% (0.50) are indicated.
FIGURE 1 in Cololejeunea tamasii (Lejeuneaceae, Marchantiophyta), a new species from Panama
FIGURE 1. Cololejeunea tamasii Schäfer-Verwimp. A. Plant in dorsal view, with gemmae. B. Part of stem with leaf lobe and lobule, ventral view. C. Cross section of stem, 50 µm in diameter. D, E. Upper marginal cells of leaf lobe. F. Gemma. G. First leaves of a plant arising from gemma, ventral view. H. Detail of stem in ventral view, with rhizoides and lower part of leaf lobes with lobules and hyaline papillae. I. Young plant, ventral view. J. Young plant, dorsal view. K. Detail of uppermost leaf of plant. L. Lower central leaf cells with oil bodies. Scale: A = 350 µm, B, D, F, G, H, K = 100 µm, C = 75 µm, E = 40 µm, I, J = 400 µm, L = 20 µm. All figures drawn by the author (all from the holotype).
FIGURE 1 in Frullania curvilobula (Frullaniaceae, Marchantiophyta), a new species from Brazil
FIGURE 1. Frullania (subg. Diastaloba) curvilobula Schäfer-Verwimp, D.F. Peralta & S.M. Siqueira. A. Part of plant with one perianth, ventral view. B. Part of plant with androecia, ventral view. C. Detail of the perianth with bracts. D. Detail of the stem with lobules. E. Detail of the lobe with lobule and stylus. F–G. Underleaves. H. Last underleaf on perianth. I. Female bracteole. J. Lobe apex. K. Stylus. L. Basal median cells of the lobe. M. Median cells of the lobe. N–O. Cross sections of perianth (All from the holotype, drawing by Denilson F. Peralta).
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