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Latest Trichome Stories

2013-09-30 10:14:03

Understanding the impact of environmental change on plant traits is an important issue in evolutionary biology. As the only direct evidence of past life, fossils provide important information on the interactions between plants and environmental change. After ten years' survey, Professor Zhou Zhekun's group from Kunming Institute of Botany has discovered more than ten well preserved Neogene plant fossil sites in southwestern China which are important to understand past climate and response of...

Trichomes Save Insect From Beetle Predation
2013-02-06 13:07:00

University of Guam Everyone needs to eat. But it's a dog-eat-dog world, and with the exception of the top predators, everyone also gets eaten. To cope with this vicious reality, a tiny insect that eats plants has learned to employ the plant's hairs for physical protection from its beetle predator. The pest is called the cycad aulacaspis scale, and its invasion into numerous countries in recent years has caused immeasurable loss of biodiversity. Cycads belong to an ancient lineage of...

Pitcher Plant Creates 'Waterslide Of Death' With Tiny Hairs
2012-12-19 14:10:39

Watch the video "Ants Aquaplaning On A Pitcher Plant" Brett Smith for redOrbit.com - Your Universe Online Researchers from the University of Cambridge have observed for the first time how a Venezuelan pitcher plant uses moisture on its tiny hairs to create a ℠waterslide of death´ that sends unsuspecting ants further down into the plant, where they are eventually digested. According to a new report in the Proceedings of the Royal Society B, the plant´s tiny hairs,...

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2011-04-26 10:18:02

A plant's sugary offering betrays caterpillars to predatory ants Trichomes, hair-like projections on leaves, are part of a plant's defense against herbivores: they can be obstacles, traps, or reservoirs for toxic substances. The hairs of wild tobacco Nicotiana attenuata contain primarily acyl sugars, which are composed of the common sugar, sucrose, bound to branched chain aliphatic acids, compounds that give baby vomit its distinctive odor. Tiny, freshly hatched caterpillars consume these...


Word of the Day
vermicular
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.
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