Results 71 to 80 of about 10,844 (223)

Non-random Vessel Distribution in Woods: Patterns, Modes, Diversity, Correlations [PDF]

open access: yes, 2009
Vessel grouping is a form of non-random distribution that becomes functionally valuable when the background consists of non-conductive imperforate tracheary elements (fiber-tracheids and libriform fibers); ungrouped vessels, randomly placed, often occur ...
Carlquist, Sherwin
core   +2 more sources

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

Catálogo das plantas vasculares citadas para a ilha de Santa Maria [PDF]

open access: yes, 2010
XIV Expedição Científica do Departamento de Biologia - Santa Maria 2009.Foi construído um catálogo das plantas vasculares citadas para a ilha de Santa Maria com base nas obras de síntese de Trelease (1897), Palhinha (1966), Franco (1971, 1984), Franco &
Cabral, Natália   +2 more
core  

Biodiversity of the Indian Desert and it´s value [PDF]

open access: yes, 2001
The state of Rajasthan is situated between 23º3’ and 30º12’ N latitude and 69º30’ and 78º17’ E longitude . The total land area of the state is about 3,24,239 km²out of which about 1,98,100 km² is arid and the rest semi arid.
Kotia, Amit, Kumar, Ashwani
core   +1 more source

Measurement of Ungulate Palatability and Browsing Pressure on Japanese Flora

open access: yesEcological Research, Volume 41, Issue 1, January 2026.
Estimation of palatability and browsing pressure are key techniques for ecosystem management. We compared four methods to estimate palatability based on browsing scar survey and proposed the reference palatability values for the Japanese flora as plant ecological trait.
Fumito Koike, Masayo Isozaki
wiley   +1 more source

First report of Aylax hypecoi (Hym.: Cynipidae: Aylacini) from Iran with some notes on its biology and parasitoids [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2012
The herb gall wasp, Aylax hypecoi Trotter, is recorded as new for the Iranian cinipid fauna. The specimens were collected from induced galls on fruit-like pods of Hypecoum pendulum L. (Papaveraceae) in Urmia region. The A. hypecoi-H. pendulum association
Y. Karimpour
doaj  

Cover Crops and Flower Strip Plants as Potential Hosts for Sugar Beet‐Infecting Virus Yellows Species and Their Attractiveness to the Vector Myzus persicae

open access: yesPlant Pathology, Volume 75, Issue 1, January/February 2026.
Several common cover crops and flower strip plants are susceptible to BMYV, while susceptibility and attractiveness to Myzus persicae vary widely. These plants may act as virus reservoirs, emphasising the need to prevent green bridges. ABSTRACT Virus yellows (VY), caused by beet chlorosis virus (BChV), beet mild yellowing virus (BMYV) and beet yellows ...
Simon Borgolte, Mark Varrelmann
wiley   +1 more source

Aphids associated with shrubs, herbaceous plants and crops in the Maltese Archipelago (Hemiptera, Aphidoidea) [PDF]

open access: yes, 2011
A survey of the aphids associated with Maltese shrubs, herbaceous plants and crops was carried out. Sixty six aphid species were recorded from more than 90 species of host plants.
Azzopardi, Erika   +6 more
core  

A “reverse pharmacology” approach for developing an anti-malarial phytomedicine [PDF]

open access: yes, 2011
A "reverse pharmacology" approach to developing an anti-malarial phytomedicine was designed and implemented in Mali, resulting in a new standardized herbal anti-malarial after six years of research.
Bertrand Graz   +5 more
core   +3 more sources

Alkaloids from the Tribe Bocconieae (Papaveraceae): A Chemical and Biological Review

open access: yesMolecules, 2014
The Bocconieae tribe, consisting of only the genera Macleaya and Bocconia, possesses significant economic and medicinal value and plays an important role in health management for people in developing countries.
Xuelong Yu   +6 more
doaj   +1 more source

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