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| leaves and heads | head--the heads of Calyptocarpus vialis are some of the smallest that have both disk and ray flowers! |
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| leaves--are these leaves opposite or alternate? Also, notice the hairs covering the leaves. | leaf undersides--what kind of leaf shape and margin are present? |
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| habit--Calyptocarpus spreads by rhizomes, and can occupy large areas if conditions permit! | |