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Slipperiana.info
Last revision 23-Dec-2018
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11-Dec-2018
Franco Pupulin and Melissa Díaz-Morales describe a new nothospecies from Costa Rica and Panama in an article that is published in Phytotaxa. They named it Phragmipedium ×talamancanum.

Phrag. ×talamancanum Pupulin & M. Díaz-Morales

Source: www.mapress.com/j/pt

12-Nov-2018
A new colour form of Paphiopedilum barbigerum from Northern Vietnam is described by Nguyen Hoang Tuan, Chu Xuân Canh and Pham Khuong Duy with the help of Olaf Gruß as Paphiopedilum barbigerum f. duyduongii.

Paph. barbigerum f. duyduongii N.H. Tuan, C.X Canh & P.K. Duy

Source: www.orchidee.de

04-Oct-2018
The description of a new variety of Paphiopedilum villosum from Vietnam is published.

Paph. villosum var. laichaunum Hai & Tuan

Source: www.orchidee.de

05-Jun-2018
A new species of Paphiopedilum from Laos is described by André Schuitema, Sulivong Luang Aphay and Shunsuke Iio. It is called Paph. papilio-laoticus and belongs to the subgenus Paphiopedilum section Paphiopedilum.

Paph. papilio-laoticus Schuitema, Luang Aphay & Iio

Source: www.orchideenjournal.de

08-May-2018
A greenish white colour form of Paph. agusii Cavestro & Bougourd is described by Olaf Gruß, William Cavestro and Gus Benk as Paph. agusii f. alboviride.

Paph. agusii f. alboviride Gruß, Cavestro & G. Benk

Source: www.orchidee.de

02-Apr-2018
A new variety of a natural hybrid from Vietnam is described by Olaf Gruß, Leonid V. Averyanov, Chu Xuan Canh and Nguyen Hoang Tuan.

Paph. ×aspersum var. trantuananhii Gruß, Averyanov, C.X. Canh & N.H. Tuan

Source: www.orchidee.de

22-Feb-2018
A new section of the genus Paphiopedilum is proposed to accomodate the species Paph. rungsuriyanum. This new section Pumila is descriped by Leonid V. Averyanov, Olaf Gruß and Harold Koopowitz in an E-Paper publication of Die Orchidee.

Source: www.orchidee.de

22-Dec-2017
Dariusz L. Szlachetko, Marta Kolanowska and Marcin Górniak describe a new natural hybrid from Guatemala in PeerJ. It is the first natural hybrid in the section Irapeana of the genus Cypripedium.

Cyp. ×fred-mulleri Szlachetko, Kolanowska & Górniak

Source: www.peerj.com

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Welcome (back).

The confusion surrounding the correct parentage of Phragmipedium ×grande/Grande continues as a new article is published by Franco Pupulin and Melissa Díaz-Morales in the scientific journal Phytotaxa.

Abstract of the article:

"The taxonomic history of Phragmipedium × grande is traced to show that its current treatment as the cross between P. longifolium and P. humboldtii is untenable. According to our interpretation of the holotype and other materials prepared from specimens of the original cross, the name Phragmipedium × grande, as well as its counterpart, the orchid grex Phragmipedium Grande, have to be treated as the cross between P. longifolium and a species of sect. Phragmipedium from South America. The similarity of the flowers obtained crossing P. longifolium with P. caudatum and with P. warszewiczianum prevents, at this stage, a definitive statement about the original parentage of P. × grande, so it is advisable to treat it as the hybridizer originally stated, a cross of P. longifolium with the pollen of P. caudatum. This nothospecies cannot be formed under natural conditions, as the geographic ranges of the parental species do not overlap. The natural hybrid between Phragmipedium longifolium and P. humboldtii, previously reported from Panama and recorded here for the first time from Costa Rica, is described as P. × talamancanum. Full illustrations of the new nothospecies are provided."


The article can of course be found on the website of Phytotaxa (www.mapress.com/j/pt) and I also found the article on the page of Franco Pupulin on the ResearchGate website (www.researchgate.net/profile/Franco_Pupulin).

 

Further more new names have been added, including the latest published hybrids (excluding the genus Paphiopedilum). The vast list of Paphiopedilum hybrids is still a work in progress.

Species' influence charts.

Species' influence chart example.
With the revision of this website that was uploaded on 08-Feb-2018 came a new feature. On the Ancestry tab of the data page of every hybrid, a pie chart has been added that shows the percentage of influence of the species involved in the creation of the hybrid.

Recent monographs of slipper orchid genera.

Cover of book The Genus Phragmipedium by Guido Braem. Cover of book Slipper Orchid of the Tropical Americas by Phillip Cribb and Christopher Purver. Cover of book The Genus Paphiopedilum 2nd edition by Guido Braem, Guy Chiron and Sandra Öhlund. Cover of book Lateinamerikanische Frauenschuhe by Olaf Gruß
The Genus Phragmipedium.
Guido J. Braem, in collaboration with Eliseo Tesón & Sandra L. Öhlund
Published 2018 by Prof. Dr. Guido J. Braem. (English)
Slipper Orchids of the Tropical Americas.
Phillip Cribb & Christopher Purver
Published 2017 by Natural History Publication and Orchid Digest in association with Royal Botanic Gardens, Kew. (English)
The Genus Paphiopedilum. 2nd Edition.
Guido J. Braem, Guy Chiron & Sandra L. Öhlund
Published 2016 by Bishen Singh Mahendra Pal Singh. (English)
Lateinamerikanische Frauenschuhe.
Olaf Gruß
Published 2014 by Orchideenzauber-Verlag. (German)