Results 61 to 70 of about 4,103 (217)

Ontogenia dos nectários extraflorais de Triumfetta semitriloba (tiliaceae) Extrafloral nectary ontogeny of Triumfetta semitriloba (Tiliaceae)

open access: yesPlanta Daninha, 2002
Triumfetta semitriloba é uma planta daninha que apresenta nectários florais e extraflorais, sendo os últimos visitados por formigas que protegem a planta do ataque de insetos.
C.A.E. Leitão   +3 more
doaj   +1 more source

The Neotropical novelty of Lexiphanes Gistel, 1848 (Coleoptera: Chrysomelidae) on Waltheria indica L., 1753 (Malvales: Malvaceae), with life cycle notes on its immatures

open access: yesRevista Chilena de Entomología, 2023
The first record of a species of Lexiphanes Gistel (Cryptocephalini) on Waltheria indica Linnaeus (Malvaceae) flowers in eastern Brazil is presented. From eggs obtained in laboratory rearing, the duration of the life cycle of this species from egg to ...
Iracilda Maria de Moura Lima
doaj   +1 more source

Progestogens and androgens influence root morphology of angiosperms in a brassinosteroid‐independent manner

open access: yesThe Plant Journal, Volume 123, Issue 5, September 2025.
Significance Statement Plants produce progesterone and androgens, which alter root morphology in A. thaliana and 60% of tested angiosperms. Brassinosteroids seem uninvolved. Understanding the mechanism is like navigating an unknown city—exemplarily Dittelbrunn (a small village in Bavaria)—where the expected shortcut (interaction with brassinosteroids ...
Karl Ludwig Körber   +11 more
wiley   +1 more source

Characterization of the complete chloroplast genome of Helicteres hirsuta Lour. 1790 (Helicteriodeae: Malvaceae)

open access: yesMitochondrial DNA. Part B. Resources
Helicteres hirsuta Lour. 1790 is a precious medicinal plant species, especially for treating chronic liver diseases. Genomic data on H. hirsuta are limited. Therefore, this current study aimed to characterize the chloroplast genome of H.
Hoang Danh Nguyen   +2 more
doaj   +1 more source

The lonely endemic Palni Hills Rudraksha Tree Elaeocarpus blascoi Weibel (Magnoliopsida: Malvales: Elaeocarpaceae), Tamil Nadu, India

open access: yesJournal of Threatened Taxa, 2014
The study on exploration, phenology, floral morphology and seed biology of little known endemic species Elaeocarpus blascoi Weible were conducted in the forest areas of Palni hills.
Dhanaraj Felix Irudhayaraj   +1 more
doaj   +1 more source

An Improved molecular tool for distinguishing monoecious and dioedious Hydrilla [PDF]

open access: yes, 2004
Two biotypes of hydrilla [Hydrilla verticillata(L.f.) Royle] occur in the United States, a dioecious type centered in the southeast and a monoecious type in the central Atlantic and northeastern states.
Center, Ted D.   +2 more
core  

First Record of Helicoverpa armigera (Lepidoptera: Noctuidae) in Argentina [PDF]

open access: yes, 2014
Debido a la reciente detección de Helicoverpa armigera en Brasil y Paraguay en 2013, se colocaron trampas de feromonas en el cultivo de garbanzo en dos localidades de la provincia de Tucumán para detectar la presencia de este noctuido en Argentina.
Casmuz, Augusto Sebastián   +7 more
core   +1 more source

Nuevo registro de Bdallophytum oxylepis (Malvales: Cytinaceae) para Chiapas A new record of Bdallophytum oxylepis (Malvales: Cytinaceae) for Chiapas

open access: yesRevista Mexicana de Biodiversidad, 2012
Se registra por primera vez la planta parásita Bdallophytum oxylepis para el estado de Chiapas. Se trata de una especie endémica de México que sólo se conocía de algunas localidades en los estados de Jalisco, Michoacán y Oaxaca.
Rubén Martínez-Camilo   +2 more
doaj  

A framework for long‐term environmental monitoring using living plant collections in botanic gardens: A global review and case study from Trinity College Botanic Garden

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 4, Page 954-968, July 2025.
Botanic gardens play a crucial role in addressing global environmental challenges by providing a unique setting for long‐term plant studies and engaging the public in climate change awareness. Our review highlights the underuse of these gardens' living collections for monitoring climate impacts, revealing significant gaps in data and phylogenetic ...
Midori Yajima   +4 more
wiley   +1 more source

Evolution of plant ribosome-inactivating proteins [PDF]

open access: yes, 2010
This contribution presents an updated analysis of the evolution of ribosome-inactivating proteins (RIPs) in plants. All evidence suggests that an ancestor of modern seed plants developed the RIP domain at least 300 million years ago.
Peumans, Willy J, Van Damme, Els
core   +1 more source

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