Word of the Week: Pappus

Pappus_bristles_Cypsela_Vernonia_noveboracensis_Sep_MMF

Double-rowed pappus with 20–40+ long, hair-like, nearly smooth inner bristles and 20–30+ short, somewhat flattened outer bristles of native Vernonia noveboracensis (New York ironweed) in September.
Photo © Mary Free

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