Results 111 to 120 of about 60,418 (311)

Pharmacognostical standardisation of an epiphytic orchid, Luisia tenuifolia Blume. [PDF]

open access: yesJournal of Pharmacy & Pharmacognosy Research, 2022
Context: Pharmacognostical standardization of crude drugs is essential before carrying out its scientific validation as it furnishes the identity and authenticity of the plant. Luisia tenuifolia Blume also known as ‘slender leaved Luisia’, has been found
Sakthi P. Sethuraman   +1 more
doaj  

Pollen Morphology of Selected Endemic Eudicots From the FLORAS Botanical Garden, Southern Bahia, Brazil

open access: yesMicroscopy Research and Technique, Volume 88, Issue 11, Page 2967-2976, November 2025.
This study describes the pollen morphology of twelve endemic species from the Atlantic Forest, revealing subtle morphopollinic variations. Diagnostic characters such as pollen shape, exine ornamentation, and amb type highlight the region's floristic diversity, providing valuable insights into the ecological and conservation significance of Brazil's ...
Agatha Carvalho Pinto   +6 more
wiley   +1 more source

An updated checklist of the Orchidaceae of Panamá

open access: yesLankesteriana, 2015
The Orchidaceae is one of the most diverse vascular plant families in the Neotropics and the most diverse in Panama. The number of species is triple that of other well-represented families of angiosperms such as Rubiaceae, Fabaceae and Poaceae. Despite its importance in terms of diversity, the latest checklist was published ten years ago and the latest
Bogarín, Diego   +4 more
openaire   +5 more sources

Molecular systematics and the evolution of mycoheterotrophy of tribe Neottieae (Orchidaceae, Epidendroideae)

open access: yesPhytoKeys, 2018
Neottieae comprise about 150–200 species and are distributed mainly in temperate and subtropical zones of the northern hemisphere. Mycoheterotrophy is common in Neottieae.
Ting Zhou, Xiaohua Jin
semanticscholar   +1 more source

Orchid growth and nutrition in response to mineral and organic fertilizers Crescimento e nutrição de orquídea em resposta à fertilização mineral e orgânica

open access: yesRevista Brasileira de Ciência do Solo, 2010
Orchid fertilization is fundamental for a satisfactory plant growth and development for commercial orchid production as well as in collections. Mineral and/or organic sources can be used for fertilization.
Donizetti Tomaz Rodrigues   +4 more
doaj   +1 more source

Ophrys bombyliflora var. albarranii, var. nov. (Orchidaceae) [PDF]

open access: yes, 2015
Se describe una nueva variedad de Ophrys bombyliflora (Orchidaceae). Esta planta ha sido recolectada en Alcalá de Guadaíra (Sevilla, España). Se aportan determinados datos respecto a su morfología y ecología.A new variety of Ophrys bombyliflora ...
Ferrer-Gallego, Pedro Pablo   +2 more
core  

Floral Handedness in Mormodes Orchids: Revisiting Charles Darwin's Observations

open access: yesBiotropica, Volume 57, Issue 6, November 2025.
In this study, we scrutinized floral enantiostyly in Mormodes orchids, a unique trait within Orchidaceae first observed by Charles Darwin. We hypothesize how intricate column twisting drives strategic pollinarium placement onto opposite sides of the thorax of male euglossine bees, enhancing cross‐pollination.
Arthur Domingos‐Melo   +2 more
wiley   +1 more source

Adaptive plant traits under anthropogenic burning regimes: A database for UK heath and mire plant species

open access: yesAmerican Journal of Botany, Volume 112, Issue 10, October 2025.
Abstract Premise Humans have used fire to manage landscapes for millennia, but this use of fire is declining in many ecosystems. Understanding how plants respond to these changes is key to predicting ecosystem resilience and impacts on services such as biodiversity and carbon sequestration. However, many ecosystems lack data on plant fire responses.
Kimberley J. Simpson   +2 more
wiley   +1 more source

Independent degradation in genes of the plastid ndh gene family in species of the orchid genus Cymbidium (Orchidaceae; Epidendroideae)

open access: yesPLoS ONE, 2017
In this paper, we compare ndh genes in the plastid genome of many Cymbidium species and three closely related taxa in Orchidaceae looking for evidence of ndh gene degradation.
Hyoung-Tae Kim, M. Chase
semanticscholar   +1 more source

Fire responses of bushland plants after the January 1994 wildfires in northern Sydney [PDF]

open access: yes, 2013
In early January 1994 wildfires burned areas of bushland in northern Sydney (lat 33° 45’ S, long 151° 05’ E) in coastal south-eastern Australia. This paper reports observations of the fire responses for 828 species of bushland plants – 576 native species
Kubiak, P. J.
core  

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