The Structural–Rhythmological Organization of <i>Coelogyne</i> (Orchidaceae Juss.) Inflorescences

The morphostructure of inflorescences in the genus <i>Coelogyne</i> Lindl. was studied for the first time using a structural–rhythmological approach. Three species of <i>Coelogyne</i> were used to describe one-season, intercalary, and all-season inflorescences. In <i>C....

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Bibliographic Details
Published in:International Journal of Plant Biology
Main Authors: Galina Kolomeitseva, Vladimir Koval, Andrey Ryabchenko
Format: Article
Language:English
Published: MDPI AG 2023-03-01
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Online Access:https://www.mdpi.com/2037-0164/14/1/24
Description
Summary:The morphostructure of inflorescences in the genus <i>Coelogyne</i> Lindl. was studied for the first time using a structural–rhythmological approach. Three species of <i>Coelogyne</i> were used to describe one-season, intercalary, and all-season inflorescences. In <i>C. monilirachis</i>, a new type of all-season inflorescence was identified, characterized by a prolonged sympodial growth of the rachis, lack of a pronounced dormant period, and thickening of all rachis internodes except the first. This inflorescence has been determined to be a compound monochasial cyme, with each floral unit represented by a separate flower. <i>C. ovalis</i> has a one-season inflorescence, with the floral unit being a determinate bracteous spike (stachyoid), and <i>C. prolifera</i> developed intercalary inflorescences united in an indeterminate bracteous spike.
ISSN:2037-0164