Singchia and Gunnaria, two new genera of Orchidaceae
Identifieur interne : 001155 ( Main/Exploration ); précédent : 001154; suivant : 001156Singchia and Gunnaria, two new genera of Orchidaceae
Auteurs : Zhong Ian Liu [République populaire de Chine] ; Li Un Chen [République populaire de Chine]Source :
- Journal of Systematics and Evolution [ 1674-4918 ] ; 2009-11.
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Abstract
Abstract Singchia Z. J. Liu & L. J. Chen, a new orchid genus, is established based on the new species S. malipoensis Z. J. Liu & L. J. Chen found in southeast Yunnan, China. The new genus is related to Pteroceras, from which it differs by having a lip with its basal margins immovably adnate to the lower part of the pendent column foot, a thin‐walled spur, and very unequally and deeply split pollinia, each with a distinct caudicle. In addition to a discussion on Ascocentrum pusillum, a species of questionable placement, another new genus, namely Gunnaria S. C. Chen ex Z. J. Liu & L. J. Chen, is set up and a new combination, namely G. pusilla (Aver.) Z. J. Liu & L. J. Chen, is made. The new genus Gunnaria differs from its ally Ascocentrum by having a cross‐shaped pollinarium, sulcate or split pollinia, each with a distinct caudicle attached to a common linear stipe much longer than either pollinia or viscidium, and strongly incurved side lobes of the lip.
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DOI: 10.1111/j.1759-6831.2009.00047.x
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Z. J. Liu & L. J. Chen</term><term>Gunnaria S. C. Chen ex Z. J. Liu & L. J. Chen</term><term>S. malipoensis Z. J. Liu & L. J. Chen</term><term>Singchia Z. J. Liu & L. J. Chen</term><term>Yunnan</term><term>new combination</term><term>new genera</term><term>new species</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>République populaire de Chine</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract Singchia Z. J. Liu & L. J. Chen, a new orchid genus, is established based on the new species S. malipoensis Z. J. Liu & L. J. Chen found in southeast Yunnan, China. The new genus is related to Pteroceras, from which it differs by having a lip with its basal margins immovably adnate to the lower part of the pendent column foot, a thin‐walled spur, and very unequally and deeply split pollinia, each with a distinct caudicle. In addition to a discussion on Ascocentrum pusillum, a species of questionable placement, another new genus, namely Gunnaria S. C. Chen ex Z. J. Liu & L. J. Chen, is set up and a new combination, namely G. pusilla (Aver.) Z. J. Liu & L. J. Chen, is made. The new genus Gunnaria differs from its ally Ascocentrum by having a cross‐shaped pollinarium, sulcate or split pollinia, each with a distinct caudicle attached to a common linear stipe much longer than either pollinia or viscidium, and strongly incurved side lobes of the lip.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><region><li>Guangdong</li></region><settlement><li>Jiangmen</li><li>Shenzhen</li></settlement></list><tree><country name="République populaire de Chine"><region name="Guangdong"><name sortKey="Liu, Zhong Ian" sort="Liu, Zhong Ian" uniqKey="Liu Z" first="Zhong Ian" last="Liu">Zhong Ian Liu</name></region><name sortKey="Chen, Li Un" sort="Chen, Li Un" uniqKey="Chen L" first="Li Un" last="Chen">Li Un Chen</name><name sortKey="Liu, Zhong Ian" sort="Liu, Zhong Ian" uniqKey="Liu Z" first="Zhong Ian" last="Liu">Zhong Ian Liu</name><name sortKey="Liu, Zhong Ian" sort="Liu, Zhong Ian" uniqKey="Liu Z" first="Zhong Ian" last="Liu">Zhong Ian Liu</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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