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Description
types of brain cactus Stenocactus multicostatus – Brain Cactus | Rare Ribbed Wave CactusDescription Light Soil Water Hardiness Commonly known as the Brain Cactus or Wave Cactus, this is a small, globular cactus that looks like a living geometric puzzle. It is world famous for its "multicostatus" (many ribbed) structure, featuring dozens of thin, wavy, papery ribs that tightly pack the surface of the plant, mimicking the folds of a brain. Between these folds, small clusters of spines emerge, adding to its rugged, prehistoric aesthetic.
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Commonly known as the Brain Cactus or Wave Cactus, this is a small, globular cactus that looks like a living geometric puzzle. It is world-famous for its "multicostatus" (many-ribbed) structure, featuring dozens of thin, wavy, papery ribs that tightly pack the surface of the plant, mimicking the folds of a brain. Between these folds, small clusters of spines emerge, adding to its rugged, prehistoric aesthetic.
This species is native to the high-elevation deserts of Central Mexico (specifically Coahuila, San Luis Potosí, and Zacatecas). Growing in limestone-rich soil among grasses, its wavy ribs are an evolutionary marvel designed to provide shade to the plant's body and allow for rapid expansion during rare rainfalls.
The blooms of the Brain Cactus are as dramatic as its body. In early spring, large, funnel-shaped flowers emerge from the crown. These flowers are typically white or pale violet with a bold, dark purple or pink stripe running down the center of each petal, creating a striking "starburst" effect against the wavy green ribs.
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Bright Indirect to Full Sun. High light is necessary to maintain the tight, wavy rib structure and encourage blooming.
Mineral-Rich Cactus Mix. Prefers a very gritty soil (pumice, lava rock, and coarse sand) with very little organic peat.
Low. Use the "soak and dry" method. Be careful not to let water sit in the deep folds of the ribs, as this can cause rot. -
9 to 11. Protect from frost; if kept dry, it can handle brief dips in temperature.
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4.9 ★★★★★
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Product Reviews
★★★★★ 5
Excellent customer service
Format: Paperback
Totally recommendable.
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Reviewed in the United States on August 26, 2019
★★★★★ 5
Five Stars
Format: Paperback
This helped a lot for us to prepare for the SLATE exam.
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Reviewed in the United States on August 23, 2016
★★★★★ 5
Good
Format: Paperback
This is great! I like this one.
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Reviewed in the United States on June 22, 2016
★★★★★ 2
Good to have if you've never seen the iTEP exam, but don't rely on it to boost your scores
Format: Paperback
This book is good in that it comes with two practice tests: one in the beginning of the book, one in the end of the book. The grading rubric is helpful too. However, the actual guide part of the book, doesn't help too much with how to improve test scores. What I like least about this guide is that it won't tell you which questions you answered incorrectly on the practice exams. A good test prep guide will tell you what you answered incorrectly, and will tell you what logic to follow to get to the correct answer. In the reading passages, it would be nice to know where I can find evidence to justify the "correct" answer. In the grammar section, it would be nice to know which rule I'm violating. Any test guide should always come with some testing strategies. I.E. If this question is taking up too much time, skip it and go to the next one. This guide lacks simple strategies like that. Simple strategies like that could be useful when incorporated into this guide because there are certain sections on the exam that you can go back to previous questions, but some sections where the "back" button is disabled.
Overall, if you've never seen an iTEP exam before, this book is certainly helpful in that it will give you an idea of what you will be testing for. However, this book alone won't help you achieve a score of 6. The table of contents itself will tell you there are only 86 pages of actual content covering test material. That's not enough to cover how to excel in the exam.
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Reviewed in the United States on January 27, 2015
★★★★★ 1
Don't buy it
Format: Paperback
It does not prepare for the real test.
Using it is absolutely not enough to be approved with good grades.
Too expensive for what it offers.
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Reviewed in the United States on October 21, 2016