Results 51 to 60 of about 3,117 (157)

Two new species of Tetrastigma (Miq.) Planch. (Vitaceae) from Thailand

open access: yesEuropean Journal of Taxonomy, 2016
Two new species of Tetrastigma from Thailand, T. calcicola Kochaiph. & Trias-Blasi sp. nov. and T. jaichagunii C.L.Li ex Kochaiph. & Trias-Blasi sp. nov. are described and illustrated. Tetrastigma calcicola sp. nov.
Phongsakorn Kochaiphat   +2 more
doaj   +1 more source

Fruit Traits Reflect Adaptation to Dispersers Along a Tropical Elevational Gradient

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
This study investigates how fruit traits related to frugivore dispersal—specifically diameter, colour and presentation—vary along an elevation gradient in Papua New Guinea. Results showed that fruit diameter decreases with elevation, bird‐attracting colours are more common at higher elevations, and branch‐borne (ramiflorous) fruits increase with ...
Richard J. Hazell   +7 more
wiley   +1 more source

Pond frog as a predator of hornet workers: High tolerance to venomous stings

open access: yesEcosphere, Volume 16, Issue 12, December 2025.
Abstract Some animals use stingers to repel attackers, and some predators have evolved tolerance to such stings, enabling them to consume venomous prey. For example, social wasps, such as hornets, use modified ovipositors as venomous stingers to inject venom, which can cause intense pain in humans.
Shinji Sugiura
wiley   +1 more source

CPOP1 is a key enzyme required for nodule microenvironment control and successful symbiotic nitrogen fixation in Lotus japonicus

open access: yesJournal of Integrative Plant Biology, Volume 67, Issue 12, Page 3167-3181, December 2025.
The enzyme coproporphyrinogen III oxidase plastid related 1 (CPOP1) creates a low‐oxygen nodule environment for nitrogen fixation within nodules of Lotus japonicus. CPOP1 makes heme, which helps control oxygen, and acts in infected cells; its knockout raises oxygen levels, suppresses nitrogen‐fixing enzyme activity, and halts nitrogen fixation ...
Yu‐Fang Tian   +5 more
wiley   +1 more source

First Record of Leea guineensis (Vitaceae) in Cuban Scientific Literature

open access: yesAgrisost, 2018
The presence of Leea guineensis G. Don. was confirmed in Cuba. It is a widely cultivated alochtonous species used in Cuba as ornameltal plants, which had not been previously registered in the scientific literature of the country.
Andrys Martínez Proenza   +3 more
doaj   +3 more sources

The Constituents of the Stems of Cissus assamica and Their Bioactivities

open access: yesMolecules, 2018
Fifty-five compounds were isolated from the fresh stems of Cissus assamica, including 14 benzenoids, 11 triterpenes, nine steroids, five tocopherols, five chlorophylls, four flavonoids, two benzoquinones, two tannins, and three other compounds.
Yu-Yi Chan   +7 more
doaj   +1 more source

Automated identification of honey bee pollen loads for field‐applied palynological studies

open access: yesNew Phytologist, Volume 248, Issue 3, Page 1584-1599, November 2025.
Summary In a changing world, it is crucial to characterise communities and their evolution over time. Because social insect pollinators forage on flowering plants around the colony, the nest potentially contains important information about the pollinated plants such as species identity and plant phenology.
Jonathan Barés   +12 more
wiley   +1 more source

The correct name for the Tetrastigma (Vitaceae) host of Rafflesia (Rafflesiaceae) in Malesiaand a (not so) new species

open access: yesReinwardtia, 2008
VELDKAMP, J.F. 2008. The correct name for the Tetrastigma (Vitaceae) host of Rafflesia (Rafflesiaceae) in Malesiaand a (not so) new species. Reinwardtia 12(4): 261 – 265. –– The correct name for Tetrastigma lanceolarium auct.non Planch.
Jan Frits Veldkamp
doaj  

Notes on the names of the Tetrastigma (Vitaceae) hosts of Rafflesia (Rafflesiaceae)

open access: yesReinwardtia, 2009
Older epithets for Tetrastigma rafflesiae Miq. (1863; Vitaceae), also known as T. lanceo- larium auct. non Planch. and T. leucostaphylum auct. non Alston ex Mabb. (Vitaceae), are provided by Cissus coriacea DC. (1824) and Cissus verrucosa Steud.
Jeff F. Veldkamp
doaj  

Ampelocissus asekii J. Wen, R. Kiapranis & M. Lovave, a new species of Vitaceae from Papua New Guinea

open access: yesPhytoKeys, 2013
A new species Ampelocissus asekii J.Wen, R.Kiapranis & M.Lovave of Vitaceae is described from Morobe Province of Papua New Guinea. It is a close relative of A.
Jun Wen   +2 more
doaj   +1 more source

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