@ARTICLE{TreeBASE2Ref15460,
author = {John V. Freudenstein},
title = {Character transformation and relationships in Corallorhiza (Orchidaceae: Epidendroideae). II. Morphological variation and phylogenetic analysis.},
year = {1994},
keywords = {},
doi = {},
url = {},
pmid = {},
journal = {American Journal of Botany},
volume = {81},
number = {},
pages = {1458--1467},
abstract = {Morphological and anatomical study of Corallorhiza. a genus of primarily New World leafless mycoparasitic orchids, was undertaken in order to produce a hypothesis of relationships among the species and to gain some understanding of character transformations. Cladistic analysis of the resulting data set gave two most parsimonious trees. Analysis of combined plastid DNA and morphological data yielded a single topology, identical to one of the two from the analysis of morphological data alone. Molecular data do not conflict with the morphological data set, and provide more resolution within the C. maculata complex. The combined data indicate that C. striata is the sister group to the remainder of the genus; the circumboreal C. trifida also occupies a basal position. Corallorhiza wisteriana and C. odontorhiza comprise the sister group to the C. maculata+ C. mertensiana + C. bulbosa clade. Only two synapomorphies, presence of the coralloid rhizome and loss of leaves, unite the species of Corallorhiza. The coralloid rhizome appears to be a paedomorphic development, due to its similarity to a protocorm; if so, it too is a loss character and may be considered only weak support for monophyly of the genus. Predominant autogamy, seen in C. trifida and cleistogamous C. odontorhiza, has probably arisen independently in these taxa.}
}
Citation for Study 204
Citation title:
"Character transformation and relationships in Corallorhiza (Orchidaceae: Epidendroideae). II. Morphological variation and phylogenetic analysis.".
This study was previously identified under the legacy study ID S2x4x96c14c20c12
(Status: Published).
Citation
Freudenstein J. 1994. Character transformation and relationships in Corallorhiza (Orchidaceae: Epidendroideae). II. Morphological variation and phylogenetic analysis. American Journal of Botany, 81: 1458-1467.
Authors
Abstract
Morphological and anatomical study of Corallorhiza. a genus of primarily New World leafless mycoparasitic orchids, was undertaken in order to produce a hypothesis of relationships among the species and to gain some understanding of character transformations. Cladistic analysis of the resulting data set gave two most parsimonious trees. Analysis of combined plastid DNA and morphological data yielded a single topology, identical to one of the two from the analysis of morphological data alone. Molecular data do not conflict with the morphological data set, and provide more resolution within the C. maculata complex. The combined data indicate that C. striata is the sister group to the remainder of the genus; the circumboreal C. trifida also occupies a basal position. Corallorhiza wisteriana and C. odontorhiza comprise the sister group to the C. maculata+ C. mertensiana + C. bulbosa clade. Only two synapomorphies, presence of the coralloid rhizome and loss of leaves, unite the species of Corallorhiza. The coralloid rhizome appears to be a paedomorphic development, due to its similarity to a protocorm; if so, it too is a loss character and may be considered only weak support for monophyly of the genus. Predominant autogamy, seen in C. trifida and cleistogamous C. odontorhiza, has probably arisen independently in these taxa.
About this resource
- Canonical resource URI:
http://purl.org/phylo/treebase/phylows/study/TB2:S204
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- Show BibTeX reference
@ARTICLE{TreeBASE2Ref15460,
author = {John V. Freudenstein},
title = {Character transformation and relationships in Corallorhiza (Orchidaceae: Epidendroideae). II. Morphological variation and phylogenetic analysis.},
year = {1994},
keywords = {},
doi = {},
url = {},
pmid = {},
journal = {American Journal of Botany},
volume = {81},
number = {},
pages = {1458--1467},
abstract = {Morphological and anatomical study of Corallorhiza. a genus of primarily New World leafless mycoparasitic orchids, was undertaken in order to produce a hypothesis of relationships among the species and to gain some understanding of character transformations. Cladistic analysis of the resulting data set gave two most parsimonious trees. Analysis of combined plastid DNA and morphological data yielded a single topology, identical to one of the two from the analysis of morphological data alone. Molecular data do not conflict with the morphological data set, and provide more resolution within the C. maculata complex. The combined data indicate that C. striata is the sister group to the remainder of the genus; the circumboreal C. trifida also occupies a basal position. Corallorhiza wisteriana and C. odontorhiza comprise the sister group to the C. maculata+ C. mertensiana + C. bulbosa clade. Only two synapomorphies, presence of the coralloid rhizome and loss of leaves, unite the species of Corallorhiza. The coralloid rhizome appears to be a paedomorphic development, due to its similarity to a protocorm; if so, it too is a loss character and may be considered only weak support for monophyly of the genus. Predominant autogamy, seen in C. trifida and cleistogamous C. odontorhiza, has probably arisen independently in these taxa.}
}
- Show RIS reference
TY - JOUR
ID - 15460
AU - Freudenstein,John V.
T1 - Character transformation and relationships in Corallorhiza (Orchidaceae: Epidendroideae). II. Morphological variation and phylogenetic analysis.
PY - 1994
UR -
N2 - Morphological and anatomical study of Corallorhiza. a genus of primarily New World leafless mycoparasitic orchids, was undertaken in order to produce a hypothesis of relationships among the species and to gain some understanding of character transformations. Cladistic analysis of the resulting data set gave two most parsimonious trees. Analysis of combined plastid DNA and morphological data yielded a single topology, identical to one of the two from the analysis of morphological data alone. Molecular data do not conflict with the morphological data set, and provide more resolution within the C. maculata complex. The combined data indicate that C. striata is the sister group to the remainder of the genus; the circumboreal C. trifida also occupies a basal position. Corallorhiza wisteriana and C. odontorhiza comprise the sister group to the C. maculata+ C. mertensiana + C. bulbosa clade. Only two synapomorphies, presence of the coralloid rhizome and loss of leaves, unite the species of Corallorhiza. The coralloid rhizome appears to be a paedomorphic development, due to its similarity to a protocorm; if so, it too is a loss character and may be considered only weak support for monophyly of the genus. Predominant autogamy, seen in C. trifida and cleistogamous C. odontorhiza, has probably arisen independently in these taxa.
L3 -
JF - American Journal of Botany
VL - 81
IS -
SP - 1458
EP - 1467
ER -
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