نتایج جستجو برای: orchidaceae species

تعداد نتایج: 549563  

2017
Shi-Cheng Shao Kevin S. Burgess Jennifer M. Cruse-Sanders Qiang Liu Xu-Li Fan Hui Huang Jiang-Yun Gao

Due to increasing demand for medicinal and horticultural uses, the Orchidaceae is in urgent need of innovative and novel propagation techniques that address both market demand and conservation. Traditionally, restoration techniques have been centered on ex situ asymbiotic or symbiotic seed germination techniques that are not cost-effective, have limited genetic potential and often result in low...

Journal: :Regulatory mechanisms in biosystems 2021

In this review, the scope of morphological diversity fruits within class Liliopsida belonging to flora Ukraine compared world was analyzed. For first time, taxonomic monocot plants analyzed, which includes 235 genera and about 1050 species, distribution fruit types in largest families revealed. It found that among flora, as also Ukrainian more than 70% generic species is taken up by Orchidaceae...

Journal: :Lankesteriana International Journal on Orchidology 2021

A new species of Eurystyles (Orchidaceae: Orchidoideae, Cranichideae, Spiranthinae) is proposed, E. luisortizii Ackerman sp. nov., which most similar to ananassocomos (Rchb.f.) Schltr. from it differs by a suite floral traits. This represents the first confirmed record genus for island Puerto Rico, bringing count West Indies four.
 Keywords: Rico flora, Spiranthinae, orchids

Journal: :Annals of botany 2013
Nina Hobbhahn Steven D Johnson Benny Bytebier Edward C Yeung Lawrence D Harder

BACKGROUND AND AIMS The Orchidaceae have a history of recurring convergent evolution in floral function as nectar production has evolved repeatedly from an ancestral nectarless state. However, orchids exhibit considerable diversity in nectary type, position and morphology, indicating that this convergence arose from alternative adaptive solutions. Using the genus Disa, this study asks whether r...

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