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Journal 1 2018.Indd OrchideenJournal Heft 1 · 2018 Eine auffallende Naturhybride von Odontoglossum (Orchidaceae; Oncidi- inae) aus Venezuela bekommt bei der Namensgebung eine zweite Chance Stig Dalström & Guido Deburghgraeve Abstract. A new and attractive nat- and Odm. schillerianum because of Geschichte und Diskussion ural hybrid Odontoglossum from its intermediate fl ower morpholo- Die Autoren wurden auf die hier be- Venezuela is described, illustrat- gy. The new taxon differs from the schriebene Odontoglossum-Naturhyb- ed with a drawing and photos, and older species by a unique combina- ride aufmerksam, als Guido Deburgh- compared with similar and sympat- tion of features, some of which ap- graeve auf einer Online-Foto Websi- ric species. The new natural hybrid pear to have originated from each te namens Flickr ungewöhnlich aus- was originally discovered in 1885 parent species. The new taxon dif- sehende Blüten entdeckte. Die Fotos by Alexandre Godefroy-Lebeuf, fers from Odontoglossum odora- stammten von Carlos Jerez, einem Ein- but has remained misidentifi ed ev- tum by a longer basal part of the lip wohner von Merida, Venezuela. Als Je- er since and is currently deposited in and a much wider lip lamina. It dif- rez von Deburghgraeve kontaktiert the Museum of Natural History in Vi- fers from Odontoglossum schilleri- wurde mit der Bitte um mehr Einzelhei- enna, Austria. It was collected again anum by having a more slender col- ten, war dies der Beginn einer äußerst in 2015 without fl owers but among umn with the ventral “hump” placed fruchtbaren Diskussion. Die fragliche fl owering plants of Odontoglossum higher up and closer to the stigmat- Pfl anze wurde 2015 ohne Blüten von odoratum and Odontoglossum schil- ic surface than in fl owers of Odonto- Carlos und seinem Bruder Mauricio lerianum by the brothers Carlos and glossum schillerianum. an einem Wanderweg nahe El Valle in Mauricio Jerez-Rico. The plant de- der Provinz Merida gesammelt. Dieser scribed here later fl owered in culti- Key Words: new hybrid, Odontoglos- Weg führt zu einer verlassenen Hütte, vation and is concluded to be a nat- sum, Orchidaceae, Oncidiinae, Ven- welche in der Vergangenheit als Unter- ural hybrid between Odm. odoratum ezuela. kunft für Priester diente. Dieser Weg ist ein Teilstück des Camino Real, der Merida mit dem Maracaibo-See ver- bindet. Die Hybride wuchs in einem Frontalansicht von / Front view of Gebiet, in dem auch Odm. odoratum Odontoglossum x jerezorum Lindl. und Odm. schillerianum Rchb.f. vorkommen. Odontoglossum odora- tum kommt in Höhenlagen zwischen 2.000 bis 2.800 m über NN und Odm. schillerianum von 2.600 m bis 3.200 m über NN vor. Die beiden Arten haben also ein gemeinsames Areal, in dem sie aufeinander treffen und eine Hyb- ridisierung stattfi nden kann. Die spe- zielle Pfl anze, die in der hier vorgeleg- ten Ausarbeitung beschrieben wird, blühte später und bildete Blüten aus, die nicht zu den Beschreibungen einer der sympatrischen Arten passte, aber Merkmale aufwies, die eine ziemlich einzigartige Kombination von Merk- malen zwischen beiden aufwies. Die Pfl anze, die von Carlos Jerez und seinem Bruder Mauricio gesammelt Jerez wurde, war nicht die erste, die die- ses neue Taxon repräsentierte. Im Mai 1885 entdeckte und sammelte Foto: © C. der französische Botaniker Alexan dre 28 Heft 1 · 2018 OrchideenJournal Stig Dalström & An attractive natural hybrid Guido Deburghgraeve Odontoglossum (Orchidaceae; Oncidiinae) from Venezuela gets a second chance to be named The author’s fi rst notice of the Odon- toglossum Kunth natural hybrid de- scribed in this paper was when De- burghgraeve discovered an unusu- Jerez al looking fl ower on a Flickr website. The photos had been taken by Car- los Jerez, a citizen of Merida, Ven- Foto: © C. ezuela. When Jerez was contact- Seitenansicht von / Front angled ed by Deburghgraeve in order to in- view of Odontoglossum x jerezorum quire about more details, it became the opening phase of a most reward- ing communication. The plant in ques- tion had been collected without fl ow- ers by Carlos and his brother Mauricio along a hiking trail near El Valle in the Province of Merida in 2015. This partic- ular trail leads to an abandoned cab- in, which in the past was used as a retreat for priests. The trail is part of a Camino Real that connects Merida with Lake Maracaibo. The hybrid was growing in an area where Odm. odor- atum Lindl., and Odm. schillerianum Rchb.f. were abundant. Odontoglos- sum odoratum occurs at an altitude of 2,000 to 2,800 meter and Odm. schil- lerianum from 2,600 to 3,200 meter. The two species therefore have an in- termediate area where they meet and hybridization can occur. The particu- lar plant described in this paper later fl owered in cultivation and revealed fl owers that did not fi t the descrip- tions of either one of the other sympa- tric species, but had a rather unique combination of features that placed it in between. covered their plant 130 years later. The these specimens were collected to- The plant that was collected by Car- Godefroy-Lebeuf specimen is mount- gether. In the lower right corner of the los Jerez and his brother Mauricio was ed on sheet 20832 in the herbarium of same herbarium sheet there is anoth- not the fi rst to represent this new tax- the Museum of Natural History in Vi- er label, possibly written by Heinrich on. In May of 1885, the French botanist enna, Austria (W) and labeled “No. 3”, Gustav Reichenbach and saying: “Od. Alexandre Godefroy-Lebeuf discov- and also “Maracaibo, A. Godef. Leb- odoratum striatum”. This particular ered and collected a specimen of what euf, Nov. 1885”. It consists of a large epithet was originally used for a plant appears to be the same hybrid some- and many-fl owered panicle. On the that was described as Odm. odoratum where in the area of “Maracaibo”. It is same sheet a small specimen consist- Lindl.; striatum Linden & Rchb.f. in possible that Godefroy-Lebeuf may ing of two fl owers of Odm. odoratum Gardeners Chronicle 1 (7): 667 (1872). have traveled along the same Cami- is also mounted and labeled “N 2”. It Reichenbach writes: “A pretty thing, no Real where the Jerez brothers dis- is possible, although not certain, that differing from the herd of O. odora- 29 OrchideenJournalStandort von / View of the habitat of Heft 1 · 2018 Odontoglossum x jerezorum in Merida Jerez Jerez Foto: © C. Foto: © C. Godefroy-Lebeuf irgendwo im Ge- benutzte als die, welche 13 Jahre spä- biet von Maracaibo eine Pfl anze, die ter von Godefroy-Lebeuf gesammelt scheinbar dieselbe Hybride war. Es ist wurde. Eine Pfl anze, die in der Linde- möglich, dass Godefroy-Lebeuf den- nia Vol. 5; Tafel 233 (1889 – 1890) als selben Camino Real bereist hatte, auf Odontoglossum odoratum var. stria- dem die Brüder Jerez ihre Pfl anze 130 tum gezeigt wird, stellt wahrschein- Jahre später entdeckten. lich wiederum eine andere Pfl anze dar, Die Godefroy-Lebeuf Pfl anze ist auf ist aber ein Hinweis darauf, wie die ur- Blatt 20832 im Herbarium des Muse- sprüngliche Odm. odoratum var. stria- ums der Naturgeschichte in Wien, Ös- tum möglicherweise ausgesehen ha- terreich (W), aufgeklebt und mit „No. ben könnte. Die abgebildete Pfl anze Rchb.f. 3“ bezeichnet und weiterhin mit „Ma- sieht sehr wie Odm. gloriosum Odontoglossum odoratum am racaibo, A. Godef. Lebeuf, Nov. 1885“ aus, und man sollte sich daran erin- Naturstandort / in the beschriftet. Sie besteht aus einer gro- nern, dass Pfl anzen von Odm. glorio- natural habitat, Merida ßen, vielblütigen Rispe. Auf demsel- sum und Odm. odoratum öfter mitein- ben Blatt ist ein kleines Exemplar von ander verwechselt wurden bzw. in ih- Odontoglossum odoratum mit zwei Blüten aufgeklebt und mit „No. 2“ be- zeichnet. Es ist möglich, aber nicht si- cher, dass die beiden Pfl anzen zusam- Odontoglossum schillerianum, men gesammelt wurden. In der unte- Nahaufnahme / close-up Jerez ren rechten Ecke des Herbariumbe- legs gibt es eine weitere Bezeichnung, die möglicherweise von Heinrich Gus- Foto: © C. tav Reichenbach geschrieben wur- de. Sie lautet „Od. odoratum stria- tum“. Dieses besondere Epithet wur- de ursprünglich für eine Pfl anze be- nutzt, die als Odm. odoratum Lindl.; striatum Linden & Rchb.f. im Gar- deners Chronicle 1 (7): 667 (1872) be- schrieben worden war. Reichenbach schreibt: „Eine schöne Pfl anze, welche sich von der Population von Odonto- glossum odoratum, die aus vielen Ge- bieten zu erhalten sind, durch die Fle- cken auf den Sepalen und Petalen un- terscheidet, welche viel länger sind und so fast Streifen ausbilden. Zwei- fellos eine Entdeckung von Wallis, die von Direktor Linden geschickt wur- de.“ Das Datum der Publikation ver- deutlicht, dass Reichenbach eine an- dere Pfl anze (diese konnten wir nicht untersuchen) für seine Beschreibung 30 Verlassene Unterkunft, die ursprünglich von Heft 1 · 2018 Priestern genutzt wurde. The abandoned OrchideenJournal retreat traditionally used by priests tum, obtained now from many plac- es, in the spots of the sepals and pet- als being much longer, almost form- ing stripes. No doubt a Wallisian dis- covery, sent by Director Linden.” The Jerez date of the publication makes it clear that Rei chenbach used a different specimen for this description (which Foto: © C. we have not seen) than the one that was collected 13 years later by Gode- froy-Lebeuf. A plant illustrated in Lin- denia, vol. 5, plate 233 (1889 – 1890) as Odontoglossum odoratum var. stri- atum, probably represents a differ- ent plant altogether but nevertheless provides a hint of what the original Odm. odoratum var. striatum may have looked like. This illustrated specimen looks very much like an Odm. glorio- Odontoglossum odoratum, sum Rchb.f., and it should be remem- Nahaufnahme / close-up bered that plants of Odm.
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