Category Archives: General Topics

What is a Cactus?

Cacti, plants that belong to the plant family Cactaceae, originated in the new world and have been a source of fascination since they were noticed (at least by Europeans) in the late fifteenth century. Upon seeing them for the first … Continue reading

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Bluebonnets in the Chihuahuan Desert

Brief collection of pictures showing the many different flowers of the Chisos Bluebonnet. Continue reading

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Gypsum, and the Plants that Live On It

The mineral gypsum appears all over the world, but is rarely seen on the surface anywhere except in deserts. Gypsum, is a form of Calcium Sulphate in which each CaSO4 molecule is chemically combined with two water molecules in a … Continue reading

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Lichen Revolution

Back in 2009 I wrote a little article about lichen, those symbiotic organisms that have intrigued biologists for so long. At the time I wrote the piece, it was generally believed that lichen were usually a partnership of two species, … Continue reading

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Wildflowers Blooming at the Barton Warnock Center Garden.

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The Slender Evolvulus

The rainy season in the Chihuahuan Desert brings out flowering plants of all descriptions. The sheer numbers of Shrubby Senna, Trumpet Flowers, Skeletonleaf Goldeneyes, Broom weed, and other yellow flowers can be so overwhelming that it is easy to overlook … Continue reading

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The Yuccas

One of the most distinctive plant families of the desert are the yuccas. They grow throughout the American Southwest, Mexico, and South America. Yuccas were always considered valuable by native tribes who used them for food, fiber, and soap-making. People … Continue reading

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