Search results for leaf venation

Evolution Apr 16, 2024

Seed ferns experimented with complex leaf vein networks 201 million years ago, paleontologists find

According to a research team led by paleontologists from the University of Vienna, the net-like leaf veining typical for today's flowering plants developed much earlier than previously thought, but died out again several ...

Molecular & Computational biology Dec 20, 2023

Few-shot learning transforms leaf trait analysis in bioenergy crop Populus trichocarpa

Image-based plant phenotyping has become crucial in understanding plant biology and agriculture. However, distinguishing relevant biological structures from the background remains a challenge, particularly in low-contrast ...

Paleontology & Fossils Nov 28, 2023

Newly discovered megafossil flora reported from northern Vietnam

Vietnam is known worldwide for its high plant species diversity and endemism. However, the evolutionary history of Vietnam's exceptional plant biodiversity remains poorly understood. Due to the paucity of Neogene plant fossils, ...

Biochemistry Sep 21, 2022

Researchers review uses, phytochemistry and pharmacological properties of genus Blechnum

Drifting from farm to traditional healing and ethnopharmacology, several valuable ferns belonging to the genus Blechnum are potential remedies for diverse complaints. Despite their significance, their herbal utilizations ...

Biotechnology May 13, 2022

Decoding the leaf: Scientists search for features to ID modern, fossil leaves

Machine learning programs that can classify leaves and place them in biological families may unlock new clues about the evolution of plant life, but only if scientists understand what the computers are seeing. A team led ...

Plants & Animals Jun 1, 2021

Rediscovering South East Queensland's eucalypt toolbox

South East Queensland's eucalypt trees can provide everything from medicines to tools, traps and building materials, according to rediscovered records of regional Indigenous knowledge.

Paleontology & Fossils Jan 5, 2021

Leaf fossils show severe end-Cretaceous plant extinction in southern Argentina

The asteroid impact 66 million years ago that ushered in a mass extinction and ended the dinosaurs also killed off many of the plants that they relied on for food. Fossil leaf assemblages from Patagonia, Argentina, suggest ...

Plants & Animals Dec 2, 2020

New tuberous species of begonia found in southern Yunnan

Begonia comprises the sixth-largest genus of angiosperms and the number of accepted species of Begonia currently reaches more than 1,991 species. In China, about 221 species have been recorded according to the Flora of China.

Evolution Jul 14, 2020

Research enlightens population genomics and adaptive evolution of ancient relictual plant

The Qinghai-Tibet Plateau (QTP) is the largest and highest plateau in the world. The uplift of the QTP provides extraordinarily geomorphological and climatic diversity, promoting rapid radiation in plant lineages, while also ...

Plants & Animals May 19, 2020

Jurassic stick insect performed mimicry to defend against predators

Phasmatodea, commonly known as stick insects and leaf insects, are icons of crypsis and primary defense specialization, exhibiting a wide range of remarkable morphological and behavioral modifications associated with camouflage. ...

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