Conoclinium greggii (=Eupatorium greggii)

Common Name:  Palmleaf Thoroughwort

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the lengthy stigmas almost obscure the fact that there are only disk flowers in Conoclinium greggii How are the leaves arranged on the stem - opposite or alternate?
the leaves become much smaller towards the inflorescences notice how the leaves of Conoclinum greggii are different from those of Conoclinium coelestinum.  While the inflorescences are very similar, the leaves are very different
Conoclinium greggii is a favorite butterfly plant