Results 21 to 30 of about 3,863 (143)

Structural stability of plant–pollinator interactions despite seasonal abundance of long‐tongued hawkmoths

Oikos, EarlyView.
Seasonal environmental cycles affect plant–pollinator interactions by altering plant phenology. Periods of low resource availability can filter pollinators and reduce the complexity of interaction networks, but the extent to which the functional morphology of pollinators influences such filtering remains unclear.
Ugo M. Diniz, Luis M. Primo, Francisco A. R. Santos, Isabel C. Machado   +3 more
wiley   +1 more source

A phylogenetic framework for evolutionary study of the nightshades (Solanaceae): a dated 1000-tip tree [PDF]

, 2013
© Särkinen et al.; licensee BioMed Central Ltd. 2013 This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org ...
Bohs, L, Knapp, S, Olmstead, RG, Särkinen, T   +3 more
core   +1 more source

Seasonal variation in wild pig (Sus scrofa) diet revealed by DNA metabarcoding

Wildlife Society Bulletin, EarlyView.
Using DNA metabarcoding of fecal samples, we investigated the diet of wild pigs at an extensive bottomland hardwood forest ecosystem within Felsenthal National Wildlife Refuge in Southern Arkansas. We found that wild pig diet was highly diverse and included at least 74 plant families and 106 genera and 23 species of vertebrates.
Kenneth C. Wilson, Scott J. Chiavacci, Caleb P. Roberts, Brett A. DeGregorio   +3 more
wiley   +1 more source

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

, 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

Short‐term responses in weed spatial patterns during early adoption of conservation agriculture practices

Pest Management Science, Volume 82, Issue 3, Page 2627-2638, March 2026.
Weed spatial patterns and temporal stability were shaped by species life forms and the cropping systems implemented in the plots. Weed aggregation was more pronounced in conservation agriculture and among perennials. Patch stability was primarily governed by species life form and was stronger among perennials. Abstract BACKGROUND The aggregated spatial
Gal Rozenberg, Yohay Carmel, Gil Eshel, Lior Blank   +3 more
wiley   +1 more source

The efficiency of bees in pollinating ephemeral flowers of Jacquemontia bracteosa (Convolvulaceae)

Iheringia: Série Zoologia
The family Convolvulaceae is widely distributed in tropical regions, mainly in open areas. Convolvulaceae flowers are characterized mainly by being beautiful and ephemeral, attracting many flower visitors that belong to different taxonomic groups.
Sílvia K. D. Santos, Miriam Gimenes
doaj   +1 more source

A survey of selected coastal vegetation communities of Florida [PDF]

, 1977
A survey of coastal vegetation around Florida was conducted during 1973 and 1974. Seventeen sites were selected and sampled using the transect method to determine species occurrence, relative densities, and habitat development and structure.
Carlton, Jedfrey M.
core  

Stem anatomy and ontogeny of vascular variants in Ipomoea asarifolia (Desr.) Roem. & Schult. (Convolvulaceae)

Nordic Journal of Botany, Volume 2026, Issue 2, February 2026.
An increase in stem thickness and ontogeny of successive cambia, intraxylary cambium, and inter‐and intraxylary phloem is elaborated for the first time in Ipomoea asarifolia (Desr.) Roem. & Schult. (Convolvulaceae). As the plants grew older, several small segments of cambium were initiated simultaneously external to the phloem formed by regular ...
Khyati D. Thacker, Kailas K. Kapadane, Vinay M. Raole, Kishore S. Rajput   +3 more
wiley   +1 more source

An Update of Weed Flora of Vıneyards ın Northwestern Turkey [PDF]

, 2017
The weed flora of vineyards in northwestern Turkey was determined in a survey carried out in 93 vineyards. Total of 68 species 53 dicotyledonous and 11 monocotyledonous belonging to 32 families were identified in grape growing areas.
Ozturk, L. (Lerzan), Sin, B. (Bahadir), Sivri, N. (Nur)   +2 more
core   +1 more source

Seed fossil record of Solanaceae revisited

TAXON, Volume 75, Issue 1, Febuary 2026.
Abstract The fossil record for Solanaceae has a complex taxonomic history, with many species originally described in the family being subsequently shown to belong in other plant families. In this work, we present an in‐depth analysis of the nightshade seed fossil record, which corresponds to the largest amount of fossil material for the family.
Rocío Deanna, Aleksej Vladimirovič Hvalj, Edoardo Martinetto, Sandra Knapp, Eva‐Maria Sadowski, Steven Manchester, Abel Campos, Vincent Fernandez, Gloria E. Barboza, Hervé Sauquet, Ellen Dean, Tiina Särkinen, Franco Chiarini, Gabriel Bernardello, Stacey D. Smith   +14 more
wiley   +1 more source