Phylogenetic evidence for the herbaceous origin of angiosperms
The ancestral angiosperm is commonly interpreted as an arborescent to shrubby magnolialean with large, multiparted, complex flowers. We examined this hypothesis using a phylogenetic analysis of new and reevaluated characters polarizabled with outgroup comparison. Our cladistic analysis of basal angi...
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| Veröffentlicht in: | Plant systematics and evolution 1992-01, Vol.180 (3/4), p.137-156 |
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| container_title | Plant systematics and evolution |
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| creator | Taylor, D.W Hickey, L.J |
| description | The ancestral angiosperm is commonly interpreted as an arborescent to shrubby magnolialean with large, multiparted, complex flowers. We examined this hypothesis using a phylogenetic analysis of new and reevaluated characters polarizabled with outgroup comparison. Our cladistic analysis of basal angiosperms placed the nonmagnolialean Chloranthaceae and Piperaceae at the bottom of the tree. We further inferred the probable ancestral states of characters not polarizable with outgroup comparison by examining their distribution among taxa at the base of our cladogram. The sum of ancestral character states suggests that the protoangiosperm was a diminutive, rhizomatous to scrambling perennial herb, with small, simple flowers. |
| doi_str_mv | 10.1007/BF00941148 |
| format | Article |
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We examined this hypothesis using a phylogenetic analysis of new and reevaluated characters polarizabled with outgroup comparison. Our cladistic analysis of basal angiosperms placed the nonmagnolialean Chloranthaceae and Piperaceae at the bottom of the tree. We further inferred the probable ancestral states of characters not polarizable with outgroup comparison by examining their distribution among taxa at the base of our cladogram. The sum of ancestral character states suggests that the protoangiosperm was a diminutive, rhizomatous to scrambling perennial herb, with small, simple flowers.</description><identifier>ISSN: 0378-2697</identifier><identifier>EISSN: 1615-6110</identifier><identifier>DOI: 10.1007/BF00941148</identifier><identifier>CODEN: ESPFBP</identifier><language>eng</language><publisher>Wien: Springer-Verlag</publisher><subject>ancestors ; Angiosperms ; Biological and medical sciences ; cladistic analysis ; Evolution ; Fossils ; Fundamental and applied biological sciences. 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We examined this hypothesis using a phylogenetic analysis of new and reevaluated characters polarizabled with outgroup comparison. Our cladistic analysis of basal angiosperms placed the nonmagnolialean Chloranthaceae and Piperaceae at the bottom of the tree. We further inferred the probable ancestral states of characters not polarizable with outgroup comparison by examining their distribution among taxa at the base of our cladogram. The sum of ancestral character states suggests that the protoangiosperm was a diminutive, rhizomatous to scrambling perennial herb, with small, simple flowers.</description><subject>ancestors</subject><subject>Angiosperms</subject><subject>Biological and medical sciences</subject><subject>cladistic analysis</subject><subject>Evolution</subject><subject>Fossils</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hardwood trees</subject><subject>Magnoliophyta</subject><subject>origin</subject><subject>Ovules</subject><subject>Phylogenetics</subject><subject>phylogeny</subject><subject>plant anatomy</subject><subject>Plant cytology, morphology, systematics, chorology and evolution</subject><subject>Plant evolution</subject><subject>Plant morphology</subject><subject>Plant veins</subject><subject>Pollen</subject><subject>Taxa</subject><subject>taxonomy</subject><issn>0378-2697</issn><issn>1615-6110</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNpFkEFLw0AQRhdRsFYv3sUcPAnRmd3NbnIRtFgVCgrac5hsdtOUNlt2q9B_b0qkXmYO780H3zB2iXCHAPr-aQpQSESZH7ERKsxShQjHbARC5ylXhT5lZzEuAVArqUfs4WOxW_nGdnbbmsT-tLXtjE2cD8l2YZOFDRUZ679j4kPbtF3iXUJd0_q4sWEdz9mJo1W0F397zObT56_Jazp7f3mbPM5SI0Bu0wKly4kXSqLTlc6sJqjqmgPPs5qokjk6cryfjoy0BlQtpDCEEjKlaifG7HbINcHHGKwrN6FdU9iVCOW-efnfvJdvBnlD0dDKBepMGw8XmdCos6LXrgZtGbc-HDAXSkvNs55fD9yRL6kJfcT8kwOK_e9yXUjxCxoMasQ</recordid><startdate>19920101</startdate><enddate>19920101</enddate><creator>Taylor, D.W</creator><creator>Hickey, L.J</creator><general>Springer-Verlag</general><general>Springer</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19920101</creationdate><title>Phylogenetic evidence for the herbaceous origin of angiosperms</title><author>Taylor, D.W ; Hickey, L.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c304t-914f8a29641f7b75e7a0bdd20285daab481faf281ffac4ec06d343ca140566df3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>ancestors</topic><topic>Angiosperms</topic><topic>Biological and medical sciences</topic><topic>cladistic analysis</topic><topic>Evolution</topic><topic>Fossils</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hardwood trees</topic><topic>Magnoliophyta</topic><topic>origin</topic><topic>Ovules</topic><topic>Phylogenetics</topic><topic>phylogeny</topic><topic>plant anatomy</topic><topic>Plant cytology, morphology, systematics, chorology and evolution</topic><topic>Plant evolution</topic><topic>Plant morphology</topic><topic>Plant veins</topic><topic>Pollen</topic><topic>Taxa</topic><topic>taxonomy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Taylor, D.W</creatorcontrib><creatorcontrib>Hickey, L.J</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Plant systematics and evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Taylor, D.W</au><au>Hickey, L.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phylogenetic evidence for the herbaceous origin of angiosperms</atitle><jtitle>Plant systematics and evolution</jtitle><date>1992-01-01</date><risdate>1992</risdate><volume>180</volume><issue>3/4</issue><spage>137</spage><epage>156</epage><pages>137-156</pages><issn>0378-2697</issn><eissn>1615-6110</eissn><coden>ESPFBP</coden><abstract>The ancestral angiosperm is commonly interpreted as an arborescent to shrubby magnolialean with large, multiparted, complex flowers. We examined this hypothesis using a phylogenetic analysis of new and reevaluated characters polarizabled with outgroup comparison. Our cladistic analysis of basal angiosperms placed the nonmagnolialean Chloranthaceae and Piperaceae at the bottom of the tree. We further inferred the probable ancestral states of characters not polarizable with outgroup comparison by examining their distribution among taxa at the base of our cladogram. The sum of ancestral character states suggests that the protoangiosperm was a diminutive, rhizomatous to scrambling perennial herb, with small, simple flowers.</abstract><cop>Wien</cop><cop>New York, NY</cop><pub>Springer-Verlag</pub><doi>10.1007/BF00941148</doi><tpages>20</tpages></addata></record> |
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| ispartof | Plant systematics and evolution, 1992-01, Vol.180 (3/4), p.137-156 |
| issn | 0378-2697 1615-6110 |
| language | eng |
| recordid | cdi_crossref_primary_10_1007_BF00941148 |
| source | Jstor Complete Legacy; SpringerLink Journals |
| subjects | ancestors Angiosperms Biological and medical sciences cladistic analysis Evolution Fossils Fundamental and applied biological sciences. Psychology Hardwood trees Magnoliophyta origin Ovules Phylogenetics phylogeny plant anatomy Plant cytology, morphology, systematics, chorology and evolution Plant evolution Plant morphology Plant veins Pollen Taxa taxonomy |
| title | Phylogenetic evidence for the herbaceous origin of angiosperms |
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