Results 31 to 40 of about 5,958 (194)

La posición sistemática de Diclidanthera Mart.

open access: yesLilloa, 2021
El autor estudia la estructura anatómica de Diclidanthera Mart. y encuentra un crecimiento anormal y otras características que prueban la posición sistemática de este género en la familia de las Polygalaceae, junto a Moutabea Mart. y Securidaca L.
Carlos A. O'Donell
doaj  

INDEPENDENT ORIGINATION OF FLORAL ZYGOMORPHY, A PREDICTED ADAPTIVE RESPONSE TO POLLINATORS: DEVELOPMENTAL AND GENETIC MECHANISMS [PDF]

open access: yes, 2016
Observations of floral development indicate that floral organ initiation in pentapetalous flowers more commonly results in a medially positioned abaxial petal (MAB) than in a medially positioned adaxial petal (MAD), where the medial plane is defined by ...
Bukhari, Ghadeer, Zhang, Wenheng
core   +1 more source

Temperature and the evolution of flower color: A review

open access: yesAmerican Journal of Botany, Volume 113, Issue 1, January 2026.
Abstract Flower colors brighten our natural world. How and why have they evolved? How might ongoing global warming alter their evolutionary trajectories? In this review, I examine the influence of ambient temperature on the evolution of flower color.
Elizabeth P. Lacey
wiley   +1 more source

Contribution to the knowledge of the flora of Murščak (near Čakovec) [PDF]

open access: yes, 2009
Tijekom vegetacijske sezone 2007. i 2008. godine istraživana je flora Murščaka pokraj Čakovca. Zabilježeno je 300 svojti vaskularnih biljaka. Analizom flornih elemenata utvrđeno je 14 glavnih skupina flornih elemenata: euroazijski (36%), široko ...
Podvezanec, Monika
core  

Фітосозологічна оцінка флори перспективного ботанічного заказника місцевого значення «Западне» (Дворічанський район, Харківська область) [PDF]

open access: yes, 2017
У статті наводяться результати дослідження та фітосозологічного аналізу флори ділянки крейдяних відслонень правого берега р. Оскіл у Дворічанському районі Харківської області (Україна).
Бітюцька, В.В.   +2 more
core   +2 more sources

Diversity, Structural Dynamics, Regeneration Potential, and Endemism of Moist Evergreen Afromontane Forests in Ethiopia

open access: yesInternational Journal of Forestry Research, Volume 2026, Issue 1, 2026.
The moist evergreen Afromontane forest (MEAF) in Ethiopia is characterized by unique species diversity and serves as the center of origin and diversity for Coffea arabica. A systematic review of MEAF in Ethiopia was conducted following the PRISMA 2020 protocol.
Worku Misganaw Tebabal   +3 more
wiley   +1 more source

Floristic of the herbaceous and subshrub layer of a moist grassland in Brasília, Brazil. [PDF]

open access: yes, 2007
A riqueza florística do estrato herbáceo-arbustivo de campo limpo úmido, uma vegetação campestre do bioma Cerrado, é pouco conhecida, embora as ervas e subarbustos sejam o maior componente na vegetação de Cerrado.
Felfili, Jeanine Maria   +1 more
core  

Shedding Light on Shining Leaf Chafers: Rutelinae MacLeay, 1819 (Coleoptera, Scarabaeoidea, Scarabaeidae) as a Neglected Group of Pollinators

open access: yesJournal of Applied Entomology, Volume 149, Issue 10, Page 1584-1599, December 2025.
ABSTRACT The interactions between insects and angiosperms date back to millions of years ago. Among the groups of pollinating animals, it is estimated that insects are responsible for pollinating more than 70% of angiosperms. Coleoptera is one of the most studied insect groups for pollination.
André da Silva Ferreira   +6 more
wiley   +1 more source

Pollen of the restinga vegetation of Algodoal/Maiandeua, Pará, Brazil. III. Polygalaceae and Polygonaceae [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2010
This study deals on pollen morphology of Polygalaceae and Polygonaceae in the Algodoal/Maiandeua island (coast of ParáState, Brazil), represented, respectively, by the species Polygala adenophora DC., P. monticola Kunth, P. spectabilis DC.,P.
Flávia Cristina Araújo Lucas   +3 more
doaj  

Influência de Substrato e Dormência Na Germinação De Sementes de Polygala sabulosa A. W. Bennett [PDF]

open access: yes, 2013
Projeto acadêmico (graduação) - Universidade Federal de Santa Catarina. Campus Curitibanos. Ciências Rurais.A Polygala sabulosa A. W. Bennet é uma espécie pertencente à família Polygalaceae encontrada na região Sul do país.
Vargas, Jonas Rafael
core  

Home - About - Disclaimer - Privacy