Monthly Archives: December 2019

Cacti Part 8 ~The Pineapple Cacti (Echinomastus)

These cacti are short, elongated globular, and almost completely covered by spines. Areoles are each on distinctive tubercles that are arranged in rows. They bloom from February to mid-March, opening shortly afternoon and remaining open until dusk. They re-open each … Continue reading

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Cacti Part 9 ~ Button Cacti

This small genus contains only 2–4 species, two of which live in the Trans-Pecos. Both are small, globose plants ranging from ½–1½ inches in diameter. Both contain toxins that protect them from being eaten. Common Button Cactus (Epithelantha micromeris) The … Continue reading

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Cacti Part 7 ~Echinocactus

Four species of Echinocactus live in the Chihuahuan Desert, only two of which appear in the Trans-Pecos – the Eagle-Claw Cactus (Echinocactus horizontalonius) and Horse-Crippler (Echinocactus texensis). You can easily recognize them on sight. Eagle-Claw Cactus (Echinocactus horizontalonius) The Eagle-Claw … Continue reading

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Cacti Part 6 ~ The Living Rock Cactus

Ariocarpus Fissuratus The Living Rock cactus is an unusual cactus in many ways. For one thing, it is the only member of its genus living in the U.S. It lives only in the Trans-Pecos. It has no spines. It is … Continue reading

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Cacti Part 5 ~ The Echinocereus Cacti

Echinocereus Echinocereus is a genus of ribbed small to medium sized cylindrical cacti that live in very sunny, rocky places. The flowers are usually large and long lasting, and the fruit is edible. The plants are bushy with tight spines … Continue reading

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Cacti Part 4 ~ The Coryphanthas

Pincushion Cactus, Beehive Cactus (Coryphantha) The Coryphanthas have been embroiled in a taxonomic debate/war for over a century. Some botanists don’t believe there’s any such thing, and they place everything in with the Mammillarias. Others think there are quite a … Continue reading

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Cacti Part 3 ~ The Mammillarias

The genus Mammillaria is one of the largest genera in the cactus family encompassing around 200 known species and varieties. All Mammillaria are round (globose) or cylindrical , and all that live in the Trans-Pecos are small, rarely exceeding 4–8 … Continue reading

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