Rudbeckia amplexicaulis Trusted
© Darel Hess
Source:
Bioimages
Kentucky Native Plant Society. Scanned by Omnitek Inc.
Source:
USDA NRCS PLANTS Database
ARS Systematic Botany and Mycology Laboratory. United States, TX.
Source:
USDA NRCS PLANTS Database
© NatureServe
Source:
NatureServe
Clasping coneflower is an annual herb with elongated, bluish, waxy leaves that generally clasp around the stem at the base. The flower heads are similar to those of black-eyed susans, but they are smaller (mostly 1 to 2 inches in diameter). The yellow outer "petals" droop as the flowers mature, and the cylindrical black center (receptacle) is elongated up to 2 inches in length.
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Marie Studer changed the thumbnail image of "Rudbeckia amplexicaulis (Asteraceae) - inflorescence - whole - unspecified".
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