6 Free Photos of Purple Thoroughwort

plantsasteraceaeasteralesflowerspringgreengardenfoliageleavessymmetry in biology
Eupatorium greggii in the Water Conservation Garden at Cuyamaca College, El Cajon, California, USA. Identified by sign.
plantsflower
Eupatorium greggii in the Water Conservation Garden at Cuyamaca College, El Cajon, California, USA. Identified by sign.
naturespring
Joe-Pye Weed (Eutrochium fistulosum) with 3-fold rotational symmetry in its leaf and flower whorls.
springplants
Joe-Pye Weed (Eutrochium fistulosum) with 5-fold rotational symmetry in its leaf and flower whorls.
natureforest
Joe-Pye Weed (Eutrochium fistulosum) with 4-fold rotational symmetry in its leaf and flower whorls.
springplants
Joe-Pye Weed (Eutrochium fistulosum) with 6-fold rotational symmetry in its leaf and lower flower whorls. Out of hundreds of plants, only a handful have 6-fold symmetry.
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