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Blechnum Polinesicum (Aspleniaceae, Blechnoideae), a New Name for Doodia Scaberula

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Blechnum Polinesicum (Aspleniaceae, Blechnoideae), a New Name for Doodia Scaberula J. Jpn. Bot. 91(5): 308–309 (2016) Eduardo Antonio MOLINARI-NOVOA: Blechnum polinesicum (Aspleniaceae, Blechnoideae), a New Name for Doodia scaberula “Augusto Weberbauer” Herbarium, Academic Department of Biology, Faculty of Sciences, La Molina National Agrarian University, Apartado postal 456, La Molina, Lima 12, PERU E-mail: [email protected] Summary: Doodia scaberula Parris was Chase (2014) and Christenhusz et al. (2015) transferred to Blechnum as B. papuanum by for our systematic treatment. The present work Christenhusz in 2011, due the pre-existence is framed within the pteridology postgraduate of B. scaberulum Sodiro, a South American course of the San Marcos National University, at species. However, this is a later homonym of B. Lima, Peru (León 2015). papuanum Brause and thus, is here replaced by B. polinesicum. A brief description of this species is Systematics provided. Family Aspleniaceae Newman The genus Doodia R. Br. was erected by Subfamily Blechnoideae Hook. Robert Brown (1810) for New Zealand ferns. Genus Blechnum R. Br. It was differentiated from the closely related Blechnum polinesicum Molinari, nom. nov. Blechnum L. by the venation of the leaves ≡ Doodia scaberula Parris in Blumea 24(2): (Kramer et al. 1990) and the reniform, smaller 505 (1978), non Blechnum scaberulum Sodiro in spores of Doodia (Harris 1955, Tryon and Anales Univ. Centr. Ecuador 8(57): 211 (1893). Lugardon 1991). However, molecular studies ≡ Blechnum papuanum Christenhusz in discovered it was embedded in Blechnum, a Phytotaxa 19: 20 (2011), nom. illeg., non highly paraphyletic genus then (Cranfill and Blechnum papuanum Brause in Bot. Jahrb. Syst. Kato 2003, Smith et al. 2006, Lehtonen 2011, 56(1): 158 (1921). Rothfels et al. 2012). Therefore, Christenhusz Holotype: NEW GUINEA. Papua, Milne et al. (2011) transferred Doodia species to Bay district, N slopes Mt. Dayman, Maneau Blechnum in order to attain the monophyly of Range, 2230 m alt., 1 June 1953. Clumps of the latter genus. numerous harsh leaves up to about 60 cm long. In doing so, he used the binomial Blechnum Uncommon. Terrestrial in mossy forest. Brass papuanum as a replacement name for Doodia 22701 (L, digital image!). scaberula Parris (1978), a New Guinean Paratypes: NeW GUINeA. Chimbu Dist.: endemic fern described on the basis of four Womatne, ca. 2200 m, 14 Sept. 1971. Sterly collections. Within Blechnum, the original epithet 139 (L). Milne Bay Dist.: Maneau Range, Mt. of the species is preoccupied by B. scaberulum Dayman, 2000 m, 27 May 1953. Brass 22581 Sodiro (1893: 211), but so is the newly proposed (L); Raba Raba subdist., Mt. Suckling, Mayu epithet, which has been previously used for B. 2, 1745 m, 18 June 1972. Stevens & Veldkamp papuanum Brause (1929: 158). 54126 (L). Since no correction has been issued on this Erect or ascending rhizome, ramose; with matter (Christenhusz and Schneider 2011), we dark, linear-lanceolate, acuminate scales, 3–5 here propose a new name for the Parris’ entity, mm long. Sterile and fertile fronds similar. Stipes and provide a brief description of it. We follow dark, minutely tuberculate at the base; rachis and the classification proposal of Christenhusz and costa with dark scales. Lamina pinnate, elliptic, —308— October 2016 The Journal of Japanese Botany Vol. 91 No. 5 309 12–44 × 3.5–13 cm. Basal pinnae sub-sessile; recommendations to the Angiosperm Phylogeny Group medial and distal pinnae decurrent, up to 3 cm for thorny problems in plant classification. Bot. J. Linn. Soc. 178: 501–528. long. Costa of the pinnae with scales similar to Christenhusz M. J. M., Zhang X. C. and Schneider H. those of the rachis. Sori in one series; indusium 2011. A linear sequence of extant families and genera 1 mm long. Spores plain, smooth, ellipsoidal to of lycophytes and ferns. Phytotaxa 19: 7–54. slightly reniform. Harris W. F. 1955. A manual of the spores of New Zealand pteridophyta. Dept. Sci. Ind. res. Bull. 116: 1–186. Kramer K. U., Chambers T. C. and Hennipman E. 1990. References Blechnaceae. In: Kramer K. U. and Green P. S. Brause G. 1921. Bearbeitung der von C. Ledermann (eds.), The Families and Genera of Vascular Plants. von der Sepik- (Kaiserin-Augusta-) Fluß-Expedition Pteridophytes and Gymnosperms. pp. 60–68. Springer 1912–1913 und von anderen Sammlern aus dem Verlag, Berlin. Papuagebiete früher mitgebrachten Pteridophyten, Lehtonen S. 2011. Towards Resolving the Complete Fern nebst Übersicht über alle bis jetzt aus dem Papuagebiet Tree of Life. PLoS ONE 6(10): e24851. bekannt gewordenen Arten derselben. Bot. Jahrb. Syst. León B. 2015. Pteridología. Universidad Nacional Mayor 56(1): 31–250. de San Marcos, Lima. Brown R. 1810. Prodromus Florae Novae Hollandiae et Parris B. S. 1978. A new species of Doodia R. Br. Insulae Van Diemen. J. Johnson, London. (Blechnaceae: Filicales) from New Guinea. Blumea Cranfillr . and Kato M. 2003. Phylogenetics, biogeography 24: 505–506. and classification of the woodwardioid ferns Rothfels C. J., Larsson A., Kuo L. Y., Korall P, Chiou W. (Blechnaceae). In: Chandra S. and Srivastava M. L. and Pryer K. M. 2012. Overcoming deep roots, (eds.), Pteridology in the New Millennium. pp. 25–48. fast rates, and short internodes to resolve the ancient Kluwer Academic Publishers, Berlin. rapid radiation of eupolypod II ferns. Syst. Biol. 61(1): Christenhusz M. J. M. and Chase M. W. 2015. Trends and 490–509. concepts in fern classification. Ann. Bot. (Oxford) 113: Smith A. R., Pryer K. M., Schuettpelz E., Korall P., 571–594. Schneider H. and Wolf P. g. 2006. A Classification for Christenhusz M. J. M. and Schneider H. 2011. Corrections Extant Ferns. Taxon 55(3): 705–731. to Phytotaxa 19. Linear sequence of lycophytes and Sodiro A. 1893. Cryptogamae vasculares quitenses. ferns. Phytotaxa 28: 50–52. Annales Univ. Centr. Ecuador 8(57): 208–217. Christenhusz M. J. M., Vorontsova M. S., Fay M. F. and Tryon A. F. and Lugardon B. 1991. Spores of the Chase M. W. 2015. Results from an online survey Pteridophyta. Springer Verlag, New York. of family delimitation in angiosperms and ferns: E. A. Molinari-Novoa： Doodia scaberula の 新 名 Blechnum polinesicum（チャセンシダ科） チ ャ セ ン シ ダ 科 の Doodia scaberula Parris は 本 種 の Blechnum 属 で の 学 名，Blechnum polinesicum Christenhusz (2011) に よ っ て Blechnum 属 へ 移 さ れ た Molinari を新たに与え，タイプ標本を整理するとともに， が，南アメリカ産の B. scaberulum Sodiro があったため 簡単な記載を付けた． に，Blechnum papuanum Christenhusz とされた．しかし （ペルー・La Molina National Agrarian University, な が ら，Blechnum papuanum Christenhusz (2011) は B. Faculty of Sciences, Academic Department of Biology, papuanum Brause (1929) の後続同名であった．そこで， “Augusto Weberbauer” Herbarium）.
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