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101 results for “Athyriaceae”
Fig. 6. – Deparia septentrionalis Rakotondr. A in Révision du genre Deparia Hook. & Grev. (Pteridophyta, Athyriaceae) à Madagascar: trois espèces nouvelles, une synonymie nouvelle et des hybrides présumés
Fig. 6. – Deparia septentrionalis Rakotondr. A. Aspect général; B. Rachis et base d'une penne, face adaxiale: remarquer la discontinuité entre les canalicules du rachis et des costae; C. Détail du limbe fertile, face abaxiale; D. Ecaille du rhizome; E. Poil vermiculaire de la face adaxiale de la costa et de la nervure principale; F. Poil plus long parfois présent sur le rachis. [A-C, E, F: Rakotondrainibe 3445, P; D: Rakotondrainibe et al. 6278, P] [Dessin: A. Jouy]
Fig. 5 in Révision du genre Deparia Hook. & Grev. (Pteridophyta, Athyriaceae) à Madagascar: trois espèces nouvelles, une synonymie nouvelle et des hybrides présumés
Fig. 5. – Deparia parvisora (C. Chr.) M. Kato. A. Aspect général; B. Détail du limbe fertile, face abaxiale; C. Ecaille de la base du pétiole; D. Poil caténé de la face abaxiale du rachis; E. Poil vermiculaire, fréquent sur tous les axes du limbe. [Humbert 25046, P] [Dessin: A. Jouy]
Fig. 4 in Révision du genre Deparia Hook. & Grev. (Pteridophyta, Athyriaceae) à Madagascar: trois espèces nouvelles, une synonymie nouvelle et des hybrides présumés
Fig. 4. – Deparia marojejyensis (Tardieu) M. Kato. A. Apex d'une fronde; B. Trois segments d'une penne distale; C. Penne moyenne; D. Deux pinnules d'une penne moyenne; E. Nervures et sores; F. Ecaille du rhizome; G. Poil vermiculaire présent sur tous les axes du limbe. [A-E: Rasolohery 281, P; F, G: Humbert et al. 17851, P].
Fig. 2. – Deparia florensiae Rakotondr. A in Révision du genre Deparia Hook. & Grev. (Pteridophyta, Athyriaceae) à Madagascar: trois espèces nouvelles, une synonymie nouvelle et des hybrides présumés
Fig. 2. – Deparia florensiae Rakotondr. A. Pétiole et pennes proximales; B. Pennes moyennes; C. Apex de la fronde; D. Deux lobes de la penne moyenne, face abaxiale; E. Détail des nervures et des sores; F. Ecaille de la base du pétiole; G. Poil caténé présents sur toute la surface du limbe et de ses axes. [A-E, G:Rakotondrainibe & Florens 4887, P; F: Rakotondrainibe & Florens 4887 bis, P] [Dessin: A. Jouy]
Fig. 1 in Révision du genre Deparia Hook. & Grev. (Pteridophyta, Athyriaceae) à Madagascar: trois espèces nouvelles, une synonymie nouvelle et des hybrides présumés
Fig. 1. – Deparia boryana (Willd.) M. Kato. A. Pétiole et pennes proximales; B. Deux segments ultimes, face adaxiale; C. Poils longs, apprimés, insérés sur la face adaxiale des nervures; D. Poil vermiculaire sur les marges du canalicule des costae et costulae; E. Sores jeunes avec des indusies réniformes fugaces. [Andrianantoandro et al. 124, P] [Dessin: A. Jouy]
Phylogenetics of Hawaiian Diplazium (Athyriaceae: Polypodiales)
<p>Hawaii is home to four species in the fern genus <i>Diplazium</i>:<i> Diplazium arnottii, D. esculentum, D. molokaiense</i>, and <i>D. sandwichianum</i>. Three are endemic to the Hawaiian Islands, and one is introduced and naturalized (<i>D. esculentum</i>). They vary in frequency, from very abundant (<i>D. sandwichianum</i>) to rare and critically endangered (<i>D. molokaiense</i>). Prior to this work, the phylogenetic relationships of only <i>D. esculentum</i> had been estimated due to lack of information available about these species. In this study, we inferred phylogenetic relationships of the Hawaiian <i>Diplazium</i> based on six chloroplast regions – <i>atpA</i>, <i>atpB</i>, <i>matK</i>, <i>rbcL</i>, <i>rps4</i>+<i>rps4</i>–<i>trnS</i> IGS, and <i>trnL</i> intron+<i>trnL</i>–<i>trnF</i> IGS. We downloaded these plastid markers from GenBank for an additional 84 <i>Diplazium </i>species and two <i>Athyrium </i>species, and used the latter as outgroups. The resulting phylogeny inferred from combined data indicated that <i>D. arnottii </i>and <i>D. sandwichianum</i> are sister taxa, likely with origins in the paleotropics. Morphologically, the two species can be distinguished by leaf dissection and lengths of sori. <i>Diplazium molokaiense</i> is sister to the Asian <i>D. heterocarpum </i>(among our sampled taxa). <i>Diplazium molokaiense</i> is distinguished from other species in the clade by its large sori and longer fronds. Our results reveal the phylogenetic placements of three <i>Diplazium</i> species and corroborate the placement of a fourth species. This knowledge clarifies species' statuses, which will aid in conservation of these threatened or endangered species.</p>
Diplazium zangnanense, a new species of the twinsorus-fern genus Diplazium (Athyriaceae) from Xizang Province, China
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Phylogenetics of Hawaiian Diplazium (Athyriaceae: Polypodiales)
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FIGURE 38 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 38. Diplazium xiphophyllum (Baker) C. Chr. A, lamina. B, a part of pinna with sori. C, scale showing entire and not black marginal cells. T. Boonkerd et al. 62 (BCU).
FIGURE 37. Diplazium tomentosum Blume. A, whole plant. B, pinna with sori. C in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 37. Diplazium tomentosum Blume. A, whole plant. B, pinna with sori. C, scale showing entire and not black marginal cells. P. Pongkai 57 (BCU).
FIGURE 36 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 36. Diplazium sylvaticum (Bory) Sw. A, living plant. B, rhizome. C, sori. D, scale. E, SEM spore.
FIGURE 34 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 34. Diplazium sylvaticum (Bory) Sw. A, lamina. B, a part of pinna with sori. C, scale showing toothed and not black marginal cells. P. Pongkai 18 (BCU).
FIGURE 35 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 35. Diplazium thailandicum Pongkai, Boonkerd & Pollawatn. A, whole plant. B-C, pinna with sori. D, scale showing toothed and black marginal cells. P. Pongkai 107 (BCU).
FIGURE 33 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 33. Diplazium subserratum (Blume) T. Moore. A, whole plant. B, a part of lamina with sori. C, scale showing irregulary toothed and not black marginal cells. T. Boonkerd & R. Pollawatn 281 (BCU).
FIGURE 30. Diplazium simplicivenium Holttum. A, frond. B, a in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 30. Diplazium simplicivenium Holttum. A, frond. B, a part of pinnule with sori. C, scale showing toothed and black marginal cells. P. Pongkai 94 (BCU).
FIGURE 28 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 28. Diplazium proliferum (Lam.) Thouars. A, lamina. B, a part of pinna with sori. C, scale showing toothed and black marginal cells. Charn Apasutaya 121a (BCU).
FIGURE 16 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 16. Diplazium mettenianum (Miq.) C.Chr. A, lamina. B, a part of pinna with sori. C, scale showing entire and not black marginal cells. P. Pongkai 20 (BCU).
FIGURE 13. Diplazium kappanense Hayata. A, pinna. B, a in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 13. Diplazium kappanense Hayata. A, pinna. B, a part of pinnule with sori. C, scale showing toothed and black marginal cells. P. Pongkai 160 (BCU).
FIGURE 25. Diplazium phanerotis Kunze. A, whole plant. B, pinna with sori. C in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 25. Diplazium phanerotis Kunze. A, whole plant. B, pinna with sori. C, scale showing toothed and not black marginal cells. P. Pongkai 27 (BCU).
FIGURE 19 in Revision of the fern genus Diplazium (Polypodiales: Athyriaceae) in Thailand
FIGURE 19. Diplazium pallidum (Blume) T. Moore. A, whole plant. B, a part of pina with sori. C, scale showing entire and not black marginal cells. T. Smitinand s.n. (BKF).
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International Brain Laboratory public data
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OpenNeuro
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