nectar of Justicia and Columnea: composition and concentration in a humid tropical climate
Studies in Costa Rica on two ornithophilous flowers, Justicia aurea (Acanthaceae) and Columnea glabra (Gesneriaceae) showed a constancy of nectar solute concentrations that was attributed to microclimatic protection by the tubular corolla and to copious nectar secretion, helped by waterproofing by a...
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| Veröffentlicht in: | Oecologia 1981, Vol.51 (3), p.412-418 |
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| container_title | Oecologia |
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| creator | Corbet, S.A Willmer, P.G |
| description | Studies in Costa Rica on two ornithophilous flowers, Justicia aurea (Acanthaceae) and Columnea glabra (Gesneriaceae) showed a constancy of nectar solute concentrations that was attributed to microclimatic protection by the tubular corolla and to copious nectar secretion, helped by waterproofing by a lipid film on the nectar surface in Justicia and by preferential compass orientation of the flowers of Columnea. Most of the corollas in the patch of Justicia had been pierced by nectar-robbers. A consequence of this damage, together with local microclimate effects, was flower-to-flower variation in the amount and accessibility of nectar and in the nature and concentration of its minor components, notably amino acids. McDade and Kinsman's (1980) finding that nectar secretion could be suppressed by repeated sampling or by nectar-robbing was confirmed. |
| doi_str_mv | 10.1007/BF00540915 |
| format | Article |
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Most of the corollas in the patch of Justicia had been pierced by nectar-robbers. A consequence of this damage, together with local microclimate effects, was flower-to-flower variation in the amount and accessibility of nectar and in the nature and concentration of its minor components, notably amino acids. McDade and Kinsman's (1980) finding that nectar secretion could be suppressed by repeated sampling or by nectar-robbing was confirmed.</description><identifier>ISSN: 0029-8549</identifier><identifier>EISSN: 1432-1939</identifier><identifier>DOI: 10.1007/BF00540915</identifier><identifier>PMID: 28310029</identifier><language>eng</language><publisher>Germany: Springer-Verlag</publisher><subject>Amino acids ; Corolla ; Flowers ; Humidity ; Inflorescences ; Microclimates ; Nectar ; plant ecology ; Relative humidity ; Solutes ; Sugars</subject><ispartof>Oecologia, 1981, Vol.51 (3), p.412-418</ispartof><rights>Copyright 1981 Springer-Verlag GmbH & Co. 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Most of the corollas in the patch of Justicia had been pierced by nectar-robbers. A consequence of this damage, together with local microclimate effects, was flower-to-flower variation in the amount and accessibility of nectar and in the nature and concentration of its minor components, notably amino acids. McDade and Kinsman's (1980) finding that nectar secretion could be suppressed by repeated sampling or by nectar-robbing was confirmed.</description><subject>Amino acids</subject><subject>Corolla</subject><subject>Flowers</subject><subject>Humidity</subject><subject>Inflorescences</subject><subject>Microclimates</subject><subject>Nectar</subject><subject>plant ecology</subject><subject>Relative humidity</subject><subject>Solutes</subject><subject>Sugars</subject><issn>0029-8549</issn><issn>1432-1939</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1981</creationdate><recordtype>article</recordtype><recordid>eNpFkE1P3DAURa0KVIZpN10jyBIhhb7nj8TuDkZAQSOxaNl0E3kcu3iUxFPbWfDvyTADXT3pnqOrp0vIN4RLBKi_X98CCA4KxScyQ85oiYqpAzIDoKqUgqsjcpzSGgA5CvGZHFHJcAtn5M9gTdaxCK54GFP2xutCD22xCN3YD1b_KEzoNyH57MPwRkwYjB1y1G-Jn8Lieex9W-QYNt7orjCd73W2X8ih012yX_d3Tp5ub34vfpbLx7v7xdWyNIxBLgXFlkoleeVMqyoFK6kMX1GlrJu-FchrJgAdMKtkZblxrba85UJTJ8WKsTk53_VuYvg32pSb3idju04PNoypQVlLibVEMakXO9XEkFK0rtnE6df40iA02y2b_1tO8um-d1z1tv1Q38ebhJOdsE45xA_OKVZCbPHZDjsdGv03-tQ8_aKADGjFeC0FewXZtoA0</recordid><startdate>1981</startdate><enddate>1981</enddate><creator>Corbet, S.A</creator><creator>Willmer, P.G</creator><general>Springer-Verlag</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>1981</creationdate><title>nectar of Justicia and Columnea: composition and concentration in a humid tropical climate</title><author>Corbet, S.A ; Willmer, P.G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c330t-521d289846fcd9690b89c4b299ef15551473501f03e986e4cfdae4d45a2f85b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1981</creationdate><topic>Amino acids</topic><topic>Corolla</topic><topic>Flowers</topic><topic>Humidity</topic><topic>Inflorescences</topic><topic>Microclimates</topic><topic>Nectar</topic><topic>plant ecology</topic><topic>Relative humidity</topic><topic>Solutes</topic><topic>Sugars</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Corbet, S.A</creatorcontrib><creatorcontrib>Willmer, P.G</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Oecologia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Corbet, S.A</au><au>Willmer, P.G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>nectar of Justicia and Columnea: composition and concentration in a humid tropical climate</atitle><jtitle>Oecologia</jtitle><addtitle>Oecologia</addtitle><date>1981</date><risdate>1981</risdate><volume>51</volume><issue>3</issue><spage>412</spage><epage>418</epage><pages>412-418</pages><issn>0029-8549</issn><eissn>1432-1939</eissn><abstract>Studies in Costa Rica on two ornithophilous flowers, Justicia aurea (Acanthaceae) and Columnea glabra (Gesneriaceae) showed a constancy of nectar solute concentrations that was attributed to microclimatic protection by the tubular corolla and to copious nectar secretion, helped by waterproofing by a lipid film on the nectar surface in Justicia and by preferential compass orientation of the flowers of Columnea. 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| fulltext | fulltext |
| identifier | ISSN: 0029-8549 |
| ispartof | Oecologia, 1981, Vol.51 (3), p.412-418 |
| issn | 0029-8549 1432-1939 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1878817815 |
| source | Jstor Complete Legacy; SpringerLink (Online service) |
| subjects | Amino acids Corolla Flowers Humidity Inflorescences Microclimates Nectar plant ecology Relative humidity Solutes Sugars |
| title | nectar of Justicia and Columnea: composition and concentration in a humid tropical climate |
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