Results 51 to 60 of about 8,376 (222)

Three new deciduous species of Berberis (Berberidaceae) from Tawang and West Kameng, Arunachal Pradesh, India

Nordic Journal of Botany, EarlyView.
Based on morphological evidence three new deciduous species of Berberis are proposed – Berberis pseudovirescens, Berberis orbicularis and Berberis tawangensis,the types being collected in the Tawang and West Kameng districts of Arunachal Pradesh, India.
Bipankar Hajong, Julian Harber, Pankaj Bharali   +2 more
wiley   +1 more source

Calyx and epicalyx morphology in Indian Hibiscus (Malvaceae) and its taxonomic importance

Nordic Journal of Botany, EarlyView.
Hibisceae is one of the largest tribes in Malvaceae, having a diverse floral morphology. The genus Hibiscus shows a wide range of evolutionary patterns in calyx and epicalyx morphology. Genera like Abelmoschus, Azanza, Gossypium, Hibiscus,and Thespesia are separated on the basis of calyx and epicalyx morphology, meaning that the calyx and epicalyx have
Jagdish Vishnu Dalavi, Mayur Yashwant Kamble   +1 more
wiley   +1 more source

Nectary use for gaining access to an ant host by the parasitoid Orasema simulatrix (Hymenoptera, Eucharitidae)

Journal of Hymenoptera Research, 2012
Eucharitidae is the only family of insects known to specialize as parasitoids of ant brood. Eggs are laid away from the host onto or in plant tissue, and the minute first-instars (planidia) are responsible for gaining access to the host through some form
Bryan Carey, Kirk Visscher, John Heraty
doaj   +1 more source

THE ECOLOGY OF MUTUALISM [PDF]

, 1982
Elementary ecology texts tell us that organisms interact in three fundamen­ tal ways, generally given the names competition, predation, and mutualism. The third member has gotten short shrift (264), and even its name is not generally agreed on.
Boucher, Douglas H., James, Sam, Keeler, Kathleen H.   +2 more
core   +1 more source

Range‐wide sampling reveals cryptic lineages but largely conserved mycorrhizal associations in the Japanese fairy lantern Thismia kobensis

PLANTS, PEOPLE, PLANET, EarlyView.
The jewel‐like flowers of Thismia are as rare as they are beautiful, often recorded from only a single site per species. Access to 15 populations of T. kobensis has enabled an uncommon, range‐wide assessment of morphology, genetics, and fungal partners. Our analyses showed that T.
Kenji Suetsugu, Kazuma Takizawa, Kazuki Inui, Akihiro Nishimura, Shun K. Hirota   +4 more
wiley   +1 more source

Identification of differential gene expression in Brassica rapa nectaries through expressed sequence tag analysis. [PDF]

PLoS ONE, 2010
BACKGROUND: Nectaries are the floral organs responsible for the synthesis and secretion of nectar. Despite their central roles in pollination biology, very little is understood about the molecular mechanisms underlying nectar production. This project was
Marshall Hampton, Wayne W Xu, Brian W Kram, Emily M Chambers, Jerad S Ehrnriter, Jonathan H Gralewski, Teresa Joyal, Clay J Carter   +7 more
doaj   +1 more source

Invisible floral larcenies: microbial communities degrade floral nectar of bumble bee-pollinated plants [PDF]

, 1998
8 páginas, 4 figuras, 1 láminaThe ecology of nectarivorous microbial communities remains virtually unknown, which precludes elucidating whether these organisms play some role in plant–pollinator mutualisms beyond minor commensalism.
García, Isabel M., Herrera, Carlos M., Pérez, Ricardo   +2 more
core   +1 more source

The shared benefits of fallen fruits: A novel mechanism stabilizing a nursery pollination mutualism between Sambucus and kateretid beetles

PLANTS, PEOPLE, PLANET, EarlyView.
Understanding how cooperative interactions remain stable matters for biodiversity because many plants rely on specialist insects that can also impose reproductive costs. We studied the interaction between Sambucus sieboldiana and seed‐consuming Heterhelus beetles through detailed field observations and pollination experiments.
Suzu Kawashima, Hidehito Okada, Sadatomo Hisamatsu, Kenji Suetsugu   +3 more
wiley   +1 more source

The pistil as a traffic light: Yellow‐to‐red color change likely influences pollinator visitation patterns in Saxifraga fortunei (Saxifragaceae)

PLANTS, PEOPLE, PLANET, EarlyView.
Flowers can communicate reproductive status to pollinators through visual cues. In Saxifraga fortunei, pistils often changed from yellow to red after pollination, and hoverflies and honeybees preferentially visited flowers with yellow pistils. This pattern suggests that a post‐pollination color shift confined to the pistil can reduce revisits to ...
Kazuma Takizawa, Masayasu Furukawa, Kenji Suetsugu   +2 more
wiley   +1 more source

The predatory behavior of ants: an impressive panoply of morphological adaptations

Insect Science, EarlyView.
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean, Xim Cerdá, Jérôme Orivel, Frédéric Azémar, Alexander L. Wild, Bruno Corbara, Axel Touchard   +6 more
wiley   +1 more source