A new species of Dendrobium (Orchidaceae: Epidendroideae: Malaxideae) described from previously perplexing specimens of the Seidenfaden collection

Orporn Phueakkhlai; Somran Suddee; Trevor R. Hodkinson; Sarawood Sungkaew; Henrik Ærenlund Pedersen

doi:10.11646/phytotaxa.419.2.6

A new species of Dendrobium (Orchidaceae: Epidendroideae: Malaxideae) described from previously perplexing specimens of the Seidenfaden collection

Orporn Phueakkhlai, Somran Suddee, Trevor R. Hodkinson, Sarawood Sungkaew, Henrik Ærenlund Pedersen

Abstract

A previously unrecognized species represented by six spirit samples in the collection of the late Gunnar Seidenfaden, pioneering Danish explorer of the Thai orchid flora, is newly described. It is evident that Seidenfaden was perplexed by the material, as three different species names can be observed on the labels (often accompanied by question marks or indications such as “probably”): D. fimbriatum, D. gibsonii and D. chryseum. In our view, the new species has the strongest morphological resemblance to D. fimbriatum, but it differs in characters of the stems, leaves, lateral sepals, petals and labellum. We describe the new species as D. perplexum, the epithet referring to the previously perplexing properties of the material. So far, D. perplexum is only known from NE Thailand, but as the confirmed Thai localities are close to the Laotian border, future finds in Laos might be expected.

Originalsprog	Engelsk
Tidsskrift	Phytotaxa
Vol/bind	419
Udgave nummer	2
Sider (fra-til)	197-202
ISSN	1179-3155
DOI	https://doi.org/10.11646/phytotaxa.419.2.6
Status	Udgivet - 2 okt. 2019

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10.11646/phytotaxa.419.2.6

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title = "A new species of Dendrobium (Orchidaceae: Epidendroideae: Malaxideae) described from previously perplexing specimens of the Seidenfaden collection",

abstract = "A previously unrecognized species represented by six spirit samples in the collection of the late Gunnar Seidenfaden, pioneering Danish explorer of the Thai orchid flora, is newly described. It is evident that Seidenfaden was perplexed by the material, as three different species names can be observed on the labels (often accompanied by question marks or indications such as “probably”): D. fimbriatum, D. gibsonii and D. chryseum. In our view, the new species has the strongest morphological resemblance to D. fimbriatum, but it differs in characters of the stems, leaves, lateral sepals, petals and labellum. We describe the new species as D. perplexum, the epithet referring to the previously perplexing properties of the material. So far, D. perplexum is only known from NE Thailand, but as the confirmed Thai localities are close to the Laotian border, future finds in Laos might be expected.",

author = "Orporn Phueakkhlai and Somran Suddee and Hodkinson, {Trevor R.} and Sarawood Sungkaew and Pedersen, {Henrik {\AE}renlund}",

year = "2019",

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doi = "10.11646/phytotaxa.419.2.6",

language = "English",

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T1 - A new species of Dendrobium (Orchidaceae: Epidendroideae: Malaxideae) described from previously perplexing specimens of the Seidenfaden collection

AU - Phueakkhlai, Orporn

AU - Suddee, Somran

AU - Hodkinson, Trevor R.

AU - Sungkaew, Sarawood

AU - Pedersen, Henrik Ærenlund

PY - 2019/10/2

Y1 - 2019/10/2

N2 - A previously unrecognized species represented by six spirit samples in the collection of the late Gunnar Seidenfaden, pioneering Danish explorer of the Thai orchid flora, is newly described. It is evident that Seidenfaden was perplexed by the material, as three different species names can be observed on the labels (often accompanied by question marks or indications such as “probably”): D. fimbriatum, D. gibsonii and D. chryseum. In our view, the new species has the strongest morphological resemblance to D. fimbriatum, but it differs in characters of the stems, leaves, lateral sepals, petals and labellum. We describe the new species as D. perplexum, the epithet referring to the previously perplexing properties of the material. So far, D. perplexum is only known from NE Thailand, but as the confirmed Thai localities are close to the Laotian border, future finds in Laos might be expected.

AB - A previously unrecognized species represented by six spirit samples in the collection of the late Gunnar Seidenfaden, pioneering Danish explorer of the Thai orchid flora, is newly described. It is evident that Seidenfaden was perplexed by the material, as three different species names can be observed on the labels (often accompanied by question marks or indications such as “probably”): D. fimbriatum, D. gibsonii and D. chryseum. In our view, the new species has the strongest morphological resemblance to D. fimbriatum, but it differs in characters of the stems, leaves, lateral sepals, petals and labellum. We describe the new species as D. perplexum, the epithet referring to the previously perplexing properties of the material. So far, D. perplexum is only known from NE Thailand, but as the confirmed Thai localities are close to the Laotian border, future finds in Laos might be expected.

U2 - 10.11646/phytotaxa.419.2.6

DO - 10.11646/phytotaxa.419.2.6

M3 - Journal article

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VL - 419

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EP - 202

JO - Phytotaxa

JF - Phytotaxa

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ER -

A new species of Dendrobium (Orchidaceae: Epidendroideae: Malaxideae) described from previously perplexing specimens of the Seidenfaden collection

Abstract

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