Our Window on Nature

. . . exploring the world around us

Deadly Datura

Filed under: Flowers — Lowell and Kaye Christie -- September 11, 2007 @ 11:35 am

Sacred DaturaOne of the Southwest’s most attractive plants, the Sacred Datura, is also one of its most deadly. Every now and then newspapers carry the grisly story of someone who, after experimenting with a species of Datura, wanders for days through desert delusions until brought down by the searing heat. While seeking heavenly visions, the user ignored the possibility that he might be creating his own physical hell. For along with the hallucinogens, this plant packs a payload capable of ending the search.

Otherwise known as thorn apple and Indian apple, the Sacred Datura is closely related to jimsonweed and is part of the nightshade clan, a worldwide plant family encompassing both reputable and notorious members. The most famous of these are tomatoes, eggplants, hot and sweet peppers, and potatoes. Of course, these plants were also considered poisonous in the past. Datura favors the less beloved branch of the nightshade family, the one implicated in murder, witchcraft, seductions, and orgies. (Read the rest …)

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Insect Self-Defense

Filed under: Bugs — Lowell and Kaye Christie -- July 20, 2007 @ 1:27 pm

Moth on BookJust about everybody likes to eat insects - mammals, birds, amphibians, reptiles, spiders, other insects, and even some humans. Over in Great Britain, a scientist with time on his hands calculated that the country’s spiders consume enough insects each year to total the combined weight of the entire human population. And that’s just the spiders. Why, then, are there so many insects left over?

“Bug-ologists” point to several reasons why insects are nature’s most successful creatures. For one thing, insects breed in astronomical numbers. They can afford to lose a high percentage of their population to predation. And for another, insects have highly sophisticated strategies for self-defense. It’s these defense strategies that we’ll be investigating here - house building, chemical warfare, warning coloration, mimicry, and camouflage - because they are strategies that you’ll be able to view first-hand as you travel. First the architects. (Read the rest …)

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