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Coelogyne Benkii Cavestro (Orchidaceae) - Ein Neufund Aus Westsulawesi in Indone- Sien

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Coelogyne Benkii Cavestro (Orchidaceae) - Ein Neufund Aus Westsulawesi in Indone- Sien Die Volume 4(02) 2018 Orchidee Journal der Deutschen Orchideen-Gesellschaft zur Förderung der Orchideenkunde ISSN-Internet 2366-0643 8 Coelogyne benkii Die Orchidee 4(02), 2018/E-Paper Die Orchidee Herausgeber: Deutsche Orchideen-Gesellschaft e. V. Im Zinnstück 2 65527 Niedernhausen/Ts. Deutschland E-Mail: [email protected] Fon: 06127 7057704 Fax: 06127 920329 www.orchidee.de/e-paper/taxonomische-mitteilungen Ausgabedatum: 25.01.2018 Verantwortliche Redakteurin: Irene Bock Vol. 4, Nummer 02, 2018 Inhalt: Coelogyne benkii CAVESTRO (Orchidaceae) - ein Neufund aus Westsulawesi in Indone- sien Coelogyne benkii CAVESTRO (Orchidaceae) - A New Species from Western Sulawesi in Indonesia Coelogyne benkii CAVESTRO (Orchidaceae) - Une nouvelle espèce de l’ouest de Su- lawesi en Indonésie 7 – 12 William CAVESTRO Titelbild: Coelogyne benkii, Infloreszenz, ca. 3,5 × nat. Größe/inflorescence ca. 3.5 × nat. size/inflorescence ca. 3,5 × taille nat. Fotos/photos: Gus BENK ISSN-Internet 2366-0643 Die Orchidee 4(02), 2018/E-Paper Coelogyne benkii 9 Taxonomische (I.B.) Dr. William Cavestro, 100, Allée de la Mitteilungen Chênaie, Coelogyne benkii CAVESTRO 38340, Voreppe, (Orchidaceae) – eine neue Art aus France Der Autor hat dem Westen Sulawesis, Indonesien bereits mehrere Bücher über Or- chideen veröffentlicht, darunter eine Coelogyne benkii CAVESTRO Monografie über Paphiopedilum und eine über Laeliinae und die Gattung (Orchidaceae) – A New Species from Cattleya. Er beschrieb viele asiati- sche Orchideen und vor kurzem Western Sulawesi in Indonesia Bulbophyllum nafisae, Bulb. declina- tum und mehrere Paphiopedilum-Ar- ten. Seit einigen Jahren bearbeitet er AVESTRO nun die Orchideen Ecuadors, insbe- Coelogyne benkii C sondere die Gattung Dracula. (Orchidaceae) – une nouvelle espèce Die Fotos sind von Gus Benk. de l'ouest de Sulawesi en Indonésie Key words: Orchidaceae, Coelogyne benkii, Sulawesi, Indonesien Zusammenfassung: Dieser Artikel Abstract: This article presents Résumé: Cet article présente stellt Coelogyne benkii vor, eine neue Coelogyne benkii, a new species Coelogyne benkii, une nouvelle espèce Spezies, die zu Ehren von Gus BENK, named in honour of Gus BENK, an nommée en l’honneur de Gus BENK, einem indonesischen Freund, benannt Indonesian friend who drew our at- un ami Indonésien qui a attiré notre at- wurde, der unsere Aufmerksamkeit auf tention to this Coelogyne close but tention sur ce Coelogyne proche mais diese Coelogyne lenkte. Sie steht Coel. very different from Coel. flexuosa très différent de Coel. flexuosaR OLFE, flexuosa ROLFE nahe, einer Spezies, die ROLFE, a species described in 1892. une espèce décrite en 1892. Le genre 1892 beschrieben wurde, ist von dieser The genus Coelogyne is a part of the Coelogyne fait partie de la sous-famille aber deutlich zu unterscheiden. Die Gat- Epidendroideae LINDL. subfamily, the des Epidendroideae LINDL., de la tribu tung Coelogyne ist Teil der Unterfamilie Arethuseae LINDL. tribe and the Coelog- des Arethuseae LINDL., de la sous-tribu der Epidendroideae LINDL., der Tribus yninae BENTH. subtribe. The Coelogyni- des Coelogyninae BENTH. Cette sous- Arethuseae LINDL. und der Subtribus nae subtribe comprises 21 genera and tribu des Coelogyninae comprend 21 Coelogyninae BENTH. Die Subtribus about 680 species from tropical Asia, genres et environ 680 espèces origi- Coelogyninae umfasst 21 Gattungen Sri Lanka, India, Malay Archipelago, naires de l'Asie tropicale, du Sri Lanka, mit etwa 680 Arten aus dem tropischen Taiwan, Japan and the tropical Pacific de l'Inde, de la Malaisie, Taiwan, Japon Asien, Sri Lanka, Indien, dem malaii- islands east to Samoa (PRIDGEON et et les îles tropicales du Pacifique à l'est schen Archipel, Taiwan, Japan und den al., 2005). The most well-known gen- des Samoa (PRIDGEON et al., 2005). tropischen Pazifikinseln östlich von Sa- era of the subtribe Coelogyninae are Les genres les plus connus de la sous- moa (PRIDGEON et al., 2005). Die be- Bletilla RCHB. F., Chelonistele PFITZER, tribu des Coelogyninae sont les genres kanntesten Gattungen der Subtribus Dendrochilum BLUME, Pholidota LINDL. Bletilla RCHB. F., Chelonistele PFITZER, Coelogyninae sind Bletilla RCHB. F., ex HOOK., Pleione D. DON, Thunia RCHB. Dendrochilum BLUME, Pholidota LINDL. Chelonistele PFITZER, Dendrochilum BLU- F. and Coelogyne LINDL. The genus ex HOOK., Pleione D. DON, Thunia RCHB. ME, Pholidota LINDL. ex HOOK., Pleione Coel. comprises about 200 species F. et Coelogyne LINDL. Le genre Coel. D. DON, Thunia RCHB. F. und Coelogyne distributed throughout southeast Asia comprend environ 200 espèces distri- LINDL. Die Gattung Coel. umfasst etwa and tropical Pacific, east to Samoa, buées dans toute l'Asie du sud-est et 200 Arten, die in Südostasien und im including Borneo, Java, Sumatra and le Pacifique tropical, à l'est jusqu'aux tropischen Pazifik, östlich von Samoa the Himalayas (CLAYTON, 2002). Samoa, y compris Bornéo, Java, Su- einschließlich Borneo, Java, Sumat- Coelogyne benkii is from West Sulawe- matra et l'Himalaya (CLAYTON, 2002). ra und dem Himalaya verbreitet sind si in Indonesia. Coelogyne benkii est originaire de (CLAYTON, 2002). Coelogyne benkii l’ouest de Sulawesi en Indonésie. kommt aus Westsulawesi in Indonesien. 10 Coelogyne benkii Die Orchidee 4(02), 2018/E-Paper Einführung: Die Gattung Coelogyne Introduction: The genus Coelogyne Introduction: Le genre Coelogyne a fait wurde von B. GRAVENDEEL einer has undergone a complex infrageneric l’objet d’un traitement infragénérique komplexen infragenerischen Behand- treatment proposed by B. GRAVEN- complexe proposée par B. GRA- lung unterzogen, die vier Untergat- DEEL which includes four subgenera VENDEEL qui comprend quatre sous- tungen und 19 Sektionen umfasst and 19 sections (PRIDGEON et al., genres et 19 sections (PRIDGEON et (PRIDGEON et al., 2005: 44 – 48). 2005: 44 – 48). The four subgenera are al., 2005: 44 – 48). Les quatre sous- Die vier Untergattungen sind Coel. Coel. subgenus Bicellae J. J. SMITH, genres sont Coel. sous-genre Bicellae Subgenus Bicellae J. J. SMITH, Coel. Coel. subgenus Cyathogyne SCHLTR., J. J. SMITH, Coel. sous-genre Cyatho- Subgenus Cyathogyne SCHLTR., Coel. Coel. subgenus Hologyne (PFITZER & gyne SCHLTR., Coel. sous-genre Holo- Subgenus Hologyne (PFITZER & KRÄNZL.) KRÄNZL.) CLAYTON, Coel. subgenus Pty- gyne (PFITZER & KRÄNZL.) CLAYTON, Coel. CLAYTON, Coel. Subgenus Ptychogyne chogyne (PFITZER & KRÄNZL.) CLAYTON. sous-genre Ptychogyne (PFITZER & (PFITZER & KRÄNZL.) CLAYTON. Coel. benkii Coel. benkii is part of the Ptychogyne KRÄNZL.) CLAYTON. Coel. benkii fait partie ist Teil der Subgenus Ptychogyne mit subgenus which includes only one du sous-genre Ptychogyne qui com- Coel. flexuosa ROLFE als Typusart. Die species: Coel. flexuosa ROLFE. The sub- prend une seule espèce: Coel. flexuosa Untergattung Ptychogyne zeichnet genus Ptychogyne is characterized by ROLFE. Le sous-genre Ptychogyne se sich durch zweireihig angeordnete Blü- flowers arranged in two rows and the caractérise par des fleurs disposées ten aus und durch das Labellum mit ei- labellum has a transverse basal fold. sur deux rangs. Le labelle a un pli basal ner quer verlaufenden Basalfalte. Coel. Coelogyne benkii apparently has the transversal. Coelogyne benkii présente benkii besitzt offenbar die Eigenschaf- characteristics of this subgenus. apparemment les caractéristiques de ten dieser Untergattung. ce sous-genre. 2 Coelogyne benkii, 1. Einzelblüte 6 × nat. Größe/single flower 6 × nat. size/fleur 6 × taille nat. 2. Teil der Infloreszenz/ inflorescence part/ inflorescence 3. Labellum, 5 ½ × nat. Größe/5 ½ × nat. size/5 ½ × taille nat. 1 3 Bei der Untersuchung der Blüten ist In examining the flowers, it is impos- En examinant les fleurs, il est impos- es unmöglich, Coel. benkii mit Coel. sible to confuse Coel. benkii with Coel. sible de confondre Coel. benkii avec flexuosa zu verwechseln, da Coel. benkii flexuosa. Coel. benkii has a lip very dif- Coel. flexuosa. En effet, Coel. benkii a sich durch das Labellum beträchtlich ferent from that of Coel. flexuosa. The un labelle très différent de celui de Coel. von Coel. flexuosa unterscheidet. Das labellum of Coel. flexuosa is white with flexuosa. Le labelle de Coel. flexuosa Labellum von Coel. flexuosa ist weiß yellow blotches like that of Coel. benkii. est blanc maculé de jaune comme ce- Die Orchidee 4(02), 2018/E-Paper Coelogyne benkii 11 mit gelben Flecken ebenso wie das von However, in Coel. flexuosa this yellow lui de Coel. benkii. Cependant, chez Coel. benkii. Bei Coel. flexuosa ist die- colour is distributed along the three Coel. flexuosa cette couleur jaune est se gelbe Farbe jedoch entlang der drei longitudinal ridges of the labellum. The répartie le long des trois crêtes longi- Längsleisten des Labellums verteilt. Coel. benkii labellum is more or less tudinales du labelle. Chez Coel. benkii Das Labellum von Coel. benkii ist mehr spotted with yellow, especially in the le labelle est plus ou moins tacheté de oder weniger gelb gefleckt, vor allem middle of the midlobe. This difference jaune, notamment au centre du lobe in der Mitte des Mittellappens. Dieser makes it possible to distinguish these médian. Cette différence permet de Unterschied ist bereits charakteris- two species. But the main difference is distinguer ces deux espèces. Mais tisch für die beiden Arten. Der Haupt- the shape of the labellum of these two la principale différence concerne la unterschied aber liegt in der Form des species. The labellum of Coel. flexuosa forme du labelle de ces deux espèces. Labellums beider Arten. Die Lippe
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