Nectar sugar composition in the subfamily Alooideae (Asphodelaceae)
HPLC analyses of nectar samples from 82 species of the genera Aloe, Astroloba, Chortolirion, Gasteria, Haworthia, Kniphofia, Lomatophyllum and Poellnitzia have shown that the sugar composition of nectar is remarkably invariable within each of the genera. In the Alooideae, distinct suprageneric group...
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| Veröffentlicht in: | Biochemical systematics and ecology 1993-03, Vol.21 (2), p.249-253 |
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| container_title | Biochemical systematics and ecology |
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| creator | Van Wyk, B.E Whitehead, C.S Glen, H.F Hardy, D.S Van Jaarsveld, E.J Smith, G.F |
| description | HPLC analyses of nectar samples from 82 species of the genera Aloe, Astroloba, Chortolirion, Gasteria, Haworthia, Kniphofia, Lomatophyllum and Poellnitzia have shown that the sugar composition of nectar is remarkably invariable within each of the genera. In the Alooideae, distinct suprageneric groups can be distinguished, based only on the relative proportions of sucrose, glucose and fructose. Three nectar types are present in the subfamily: (1) an alooid type (in Aloe, Kniphofia, Lomatophyllum and Poellnitzia) with less than 5% sucrose and equal proportions of glucose and fructose; (2) a gasterioid type (in Gasteria only) with sucrose dominant and equal proportions of glucose and fructose; (3) a haworthioid type (in Astroloba, Chortolirion and Haworthia) with sucrose dominant but with much more glucose than fructose. |
| doi_str_mv | 10.1016/0305-1978(93)90042-P |
| format | Article |
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In the Alooideae, distinct suprageneric groups can be distinguished, based only on the relative proportions of sucrose, glucose and fructose. Three nectar types are present in the subfamily: (1) an alooid type (in Aloe, Kniphofia, Lomatophyllum and Poellnitzia) with less than 5% sucrose and equal proportions of glucose and fructose; (2) a gasterioid type (in Gasteria only) with sucrose dominant and equal proportions of glucose and fructose; (3) a haworthioid type (in Astroloba, Chortolirion and Haworthia) with sucrose dominant but with much more glucose than fructose.</description><identifier>ISSN: 0305-1978</identifier><identifier>EISSN: 1873-2925</identifier><identifier>DOI: 10.1016/0305-1978(93)90042-P</identifier><identifier>CODEN: BSECBU</identifier><language>eng</language><publisher>Oxford: Elsevier</publisher><subject>Aloe ; astroloba ; Biological and medical sciences ; chemotaxonomy ; chortolirion ; composition ; fructose ; Fundamental and applied biological sciences. Psychology ; Gasteria ; glucose ; Haworthia ; nectar ; Plant cytology, morphology, systematics, chorology and evolution ; poellnitzia ; Spermatophyta ; sucrose ; Systematics (diagnosis, chromosome numbers)</subject><ispartof>Biochemical systematics and ecology, 1993-03, Vol.21 (2), p.249-253</ispartof><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786,27931,27932</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4699589$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Van Wyk, B.E</creatorcontrib><creatorcontrib>Whitehead, C.S</creatorcontrib><creatorcontrib>Glen, H.F</creatorcontrib><creatorcontrib>Hardy, D.S</creatorcontrib><creatorcontrib>Van Jaarsveld, E.J</creatorcontrib><creatorcontrib>Smith, G.F</creatorcontrib><title>Nectar sugar composition in the subfamily Alooideae (Asphodelaceae)</title><title>Biochemical systematics and ecology</title><description>HPLC analyses of nectar samples from 82 species of the genera Aloe, Astroloba, Chortolirion, Gasteria, Haworthia, Kniphofia, Lomatophyllum and Poellnitzia have shown that the sugar composition of nectar is remarkably invariable within each of the genera. In the Alooideae, distinct suprageneric groups can be distinguished, based only on the relative proportions of sucrose, glucose and fructose. Three nectar types are present in the subfamily: (1) an alooid type (in Aloe, Kniphofia, Lomatophyllum and Poellnitzia) with less than 5% sucrose and equal proportions of glucose and fructose; (2) a gasterioid type (in Gasteria only) with sucrose dominant and equal proportions of glucose and fructose; (3) a haworthioid type (in Astroloba, Chortolirion and Haworthia) with sucrose dominant but with much more glucose than fructose.</description><subject>Aloe</subject><subject>astroloba</subject><subject>Biological and medical sciences</subject><subject>chemotaxonomy</subject><subject>chortolirion</subject><subject>composition</subject><subject>fructose</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gasteria</subject><subject>glucose</subject><subject>Haworthia</subject><subject>nectar</subject><subject>Plant cytology, morphology, systematics, chorology and evolution</subject><subject>poellnitzia</subject><subject>Spermatophyta</subject><subject>sucrose</subject><subject>Systematics (diagnosis, chromosome numbers)</subject><issn>0305-1978</issn><issn>1873-2925</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNo9zEtLAzEUBeAgCtbqPxCchQu7GL3JTWaSZSm-oKigXZc7ebSRaTNMxkX_vQMVN_dwOB-XsWsO9xx49QAIquSm1ncGZwZAivLjhE24rrEURqhTNvkn5-wi528AUFLUE7Z483agvsg_m_HatOtSjkNM-yLui2Hrx6EJtIvtoZi3KUXnyRd389xtk_Mt2bHOLtlZoDb7q7-cstXT49fipVy-P78u5ssycNRD6axG6az1tXQBGtCSLEluG-kFekDX1MYFtJWRDsEjUiU1d6Qa1WivGpyy2-PfjrKlNvS0tzGvuz7uqD-sZWWM0mZkN0cWKK1p049k9SmAI3CphVKIv14QV7w</recordid><startdate>19930301</startdate><enddate>19930301</enddate><creator>Van Wyk, B.E</creator><creator>Whitehead, C.S</creator><creator>Glen, H.F</creator><creator>Hardy, D.S</creator><creator>Van Jaarsveld, E.J</creator><creator>Smith, G.F</creator><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope></search><sort><creationdate>19930301</creationdate><title>Nectar sugar composition in the subfamily Alooideae (Asphodelaceae)</title><author>Van Wyk, B.E ; Whitehead, C.S ; Glen, H.F ; Hardy, D.S ; Van Jaarsveld, E.J ; Smith, G.F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f138t-dc834dcce74df0b084aca41cb4e23e03db79df3c694d30e33a6481da5b5b8e5b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Aloe</topic><topic>astroloba</topic><topic>Biological and medical sciences</topic><topic>chemotaxonomy</topic><topic>chortolirion</topic><topic>composition</topic><topic>fructose</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gasteria</topic><topic>glucose</topic><topic>Haworthia</topic><topic>nectar</topic><topic>Plant cytology, morphology, systematics, chorology and evolution</topic><topic>poellnitzia</topic><topic>Spermatophyta</topic><topic>sucrose</topic><topic>Systematics (diagnosis, chromosome numbers)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Van Wyk, B.E</creatorcontrib><creatorcontrib>Whitehead, C.S</creatorcontrib><creatorcontrib>Glen, H.F</creatorcontrib><creatorcontrib>Hardy, D.S</creatorcontrib><creatorcontrib>Van Jaarsveld, E.J</creatorcontrib><creatorcontrib>Smith, G.F</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><jtitle>Biochemical systematics and ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Van Wyk, B.E</au><au>Whitehead, C.S</au><au>Glen, H.F</au><au>Hardy, D.S</au><au>Van Jaarsveld, E.J</au><au>Smith, G.F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nectar sugar composition in the subfamily Alooideae (Asphodelaceae)</atitle><jtitle>Biochemical systematics and ecology</jtitle><date>1993-03-01</date><risdate>1993</risdate><volume>21</volume><issue>2</issue><spage>249</spage><epage>253</epage><pages>249-253</pages><issn>0305-1978</issn><eissn>1873-2925</eissn><coden>BSECBU</coden><abstract>HPLC analyses of nectar samples from 82 species of the genera Aloe, Astroloba, Chortolirion, Gasteria, Haworthia, Kniphofia, Lomatophyllum and Poellnitzia have shown that the sugar composition of nectar is remarkably invariable within each of the genera. In the Alooideae, distinct suprageneric groups can be distinguished, based only on the relative proportions of sucrose, glucose and fructose. Three nectar types are present in the subfamily: (1) an alooid type (in Aloe, Kniphofia, Lomatophyllum and Poellnitzia) with less than 5% sucrose and equal proportions of glucose and fructose; (2) a gasterioid type (in Gasteria only) with sucrose dominant and equal proportions of glucose and fructose; (3) a haworthioid type (in Astroloba, Chortolirion and Haworthia) with sucrose dominant but with much more glucose than fructose.</abstract><cop>Oxford</cop><pub>Elsevier</pub><doi>10.1016/0305-1978(93)90042-P</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0305-1978 |
| ispartof | Biochemical systematics and ecology, 1993-03, Vol.21 (2), p.249-253 |
| issn | 0305-1978 1873-2925 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_4699589 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Aloe astroloba Biological and medical sciences chemotaxonomy chortolirion composition fructose Fundamental and applied biological sciences. Psychology Gasteria glucose Haworthia nectar Plant cytology, morphology, systematics, chorology and evolution poellnitzia Spermatophyta sucrose Systematics (diagnosis, chromosome numbers) |
| title | Nectar sugar composition in the subfamily Alooideae (Asphodelaceae) |
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