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Zilla is one of the common extreme desert plants. In dry years small annual plants occur, in rainy years some plants survive for several years.
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This is one of the ancient species fo the Saharo-Arabian deserts. It has no real relative. the fruits are globose, pointed. It is often annual or short lived perennial.
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Zilla spinosa is a unique perennial plant of the extreme desert. It is considered an ancient desert element, since it does not have any relatives in the cabbage plant family.
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Zilla spinosa is a common plant of the extreme desert. It is a short-lived perennial. Here u can see the flower and fruit. The dry fruit remain indehiscent on the plant untill the next rain, often for long years.
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Zilla spinosa is a common perennial in extreme desert. In rainy years is forms large violets patches.
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