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136 results for “Syzygium”
FIG. 4 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 4. — Infructescence of Syzygium antisepticum (Blume) Merr. & L.M.Perry. Photo courtesy of Nguyen Van Dung and John Tan. Scale bar: 5 cm.
FIG. 25 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 25. — Lectotype of Syzygium harmandii (Gagnep.) Merr. & L.M.Perry, Pierre 3207 (Harmand 1169) (P00589208); A, close-up of flowers; B, close-up of twig showing leaves arranged in whorls of three. Scale bars: 1 cm.
FIG. 29 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 29. — Distribution of Syzygium lineatum (DC.) Merr. & L.M.Perry (), Syzygium megacarpum (Craib) Rathakr. & N.C.Nair () and Syzygium nervosum A.Cunn. ex DC. () in Indochina.
FIG. 12 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 12. — Distribution of Syzygium championii (Bentham) Merr. & L.M.Perry (), Syzygium chantaranothaianum W.K.Soh & J.Parn. () and Syzygium claviflorum (Roxb.) Wall. ex Steudel () in Indochina.
FIG. 21 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 21. — Lectotype of Syzygium glomerulatum (Gagnep.) Merr. & L.M.Perry, Pierre s.n. (P00589212); detail, close-up of inflorescence. Scale bar: 1 cm.
FIG. 32 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 32. — Distribution of Syzygium nigrans (Gagnep.) Craven & Biffin (), Syzygium oblatum(Roxb.) Wallich ex Steudel () and Syzygium odoratum (Lour.) DC. () in Indochina.
FIG. 24 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 24. — Lectotype of Syzygium mekongense (Gagnep.) Merr. & L.M.Perry, Thorel s.n. (P00589243).
FIG. 20 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 20. — Distribution of Syzygium formosum (Wallich) Masam. (), Syzygium glomerulatum (Gagnep.) Merr. & L.M.Perry () and Syzygium grande Walp. () in Indochina.
FIG. 19 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 19. — Inflorescence of Syzygium diospyrifolium (Wall. ex Duthie) S.N.Mitra. Photo by Pranom Chantaranothai. Scale bar: 2 cm.
Genomic insights into rapid speciation within the world's largest tree genus Syzygium
<p><span>Species r</span><span>adiations, despite immense phenotypic variation, can be difficult to resolve phylogenetically when genetic </span><span>change</span><span> poorly matches the rapidity of diversification. Genomic potential furnished by </span><span>palaeopolyploidy,</span><span> and relative roles for </span><span>adaptation, random drift and hybridisation in the </span><span>apportionment of genetic</span><span> variation, remain poorly understood factors.</span><span> Here, we study these aspects in a model radiation, </span><em><span>Syzygium</span></em><span>, the most species-rich tree genus worldwide. </span><span>G</span><span>enomes of 182 distinct species and 58 unidentified taxa are compared against a chromosome-level reference genome of the sea apple, <em>Syzygium</em> <em>grande</em>. We show that while <em>Syzygium</em> shares an ancient genome doubling event with other Myrtales, little evidence exists for recent polyploidy events. </span><span>Phylogenomics confirms that</span><span> <em>Syzygium</em> originated in Australia-New Guinea and diversified in </span><span>multiple migrations</span><span>, eastward to the Pacific and westward to India and Africa</span><span>,</span><span> in </span><span>bursts of speciation </span><span>visible as poorly resolved </span><span>branches</span> <span>on phylogenies. </span><span>Furthermore, </span><span>some sublineages demonstrate genomic clines that recapitulate cladogenetic events, suggesting</span><span> that stepwise geographic speciation, a neutral process, has been important in </span><em><span>Syzygium</span></em><span> diversification</span><span>.</span></p>
FIG. 23 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 23. — Holotype of Syzygium hancei Merr. & L.M.Perry, Sampton & Hance 13754 (BM).
FIG. 10 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 10. — Holotype of Syzygium borneense (Miq.) Miq., Korthals s.n. (L0009408).
FIG. 13 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 13. — Holotype of Syzygium chantaranothaianum W.K.Soh & J.Parn., Schmid s.n. (P00589474).
FIG. 9 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 9. — Holotype of Syzygium bokorense W.K.Soh & J.Parn., Vidal 4798 (P00557353).
FIG. 17 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 17. — Paratype of Syzygium cucphuongense W.K.Soh & J.Parn., N. M. Cuong 530 (GH).
FIG. 16 in A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam)
FIG. 16. — Isotype of Syzygium crassiflorum Merr. & L.M.Perry, Clemens 3831 (K000276205).
Genomic insights into rapid speciation within the world’s largest tree genus Syzygium
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FIGURE 1. Fergusobia rosettae n in Nematodes from galls on Myrtaceae. IX. Fergusobia rosettae n. sp. on Melaleuca quinquenervia and F. tolgaensis n. sp. on Syzygium luehmannii, from Queensland
FIGURE 1. Fergusobia rosettae n. sp. (all in lateral view): A, Entire parthenogenetic female; B, Head of parthenogenetic female; C, Habitus; D, Tails of parthenogenetic females; E, Entire infective female; F, Head of infective female; G; Habitus; H, Tails of infective females; I, Entire male; J, Head of male; K, Habitus; L, Tails of males. Scale bars: A, E, I = 50 µm. B, F, J = 5 µm. Tails not drawn to scale.
FIGURE 6. Shields from L3 in Nematodes from galls on Myrtaceae. IX. Fergusobia rosettae n. sp. on Melaleuca quinquenervia and F. tolgaensis n. sp. on Syzygium luehmannii, from Queensland
FIGURE 6. Shields from L3 fergusoninid larvae from galls on Melaleuca and Syzygium spp.: A, Fergusonina sp. from 'rosette' galls on M. quinquenervia; B, Fergusonina sp. from unilocular galls on S. luehmannii; C, Fn. metrosiderosi from basal shoot galls on Mt. excelsa (drawn from Taylor 2004); D, Fn. syzygii from axilliary bud galls on S. cumini (redrawn from Harris 1982): E, Fn. goolsbyi from rosette galls on M. nervosa (drawn from Taylor 2004); Fn. turneri from shoot bud gall on M. quinquenervia (drawn from Taylor 2004). Scale bars: A, B, E = 0.2 mm; C, F = 1 mm; D = 0.5 mm.
FIGURE 3 in Nematodes from galls on Myrtaceae. IX. Fergusobia rosettae n. sp. on Melaleuca quinquenervia and F. tolgaensis n. sp. on Syzygium luehmannii, from Queensland
FIGURE 3. Habitus drawings of Fergusobia spp. collected from small shoot bud galls: A, F. rosettae n. sp. from M. quinquenervia; B, F. tolgaensis n. sp. from S. luehmannii: C, F. pohutukawa from Met. excelsa; D, F. jambophila from S. cumini (drawn from Siddiqi 1986); E, Fergusobia sp. 1 from M. nervosa; F, F. nervosa from M. nervosae; G, F. quinquenerviae from M. quinquenervia. Scale bars = 50 µm.
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