Your search found 66 image(s) illustrating the term "involucral bracts." For a written explanation, click on "involucral bracts" in the Glossary.
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Ditch Daisy,
Bidens aristosa
Outer involucral bracts shorter than the inner, fewer than B. polylepis, per Wildflowers of Tennessee (Carman, 2005).
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Ditch Daisy,
Bidens aristosa
8-12(16) calyculus bractlets [outer involucral bracts], linear, per Flora of North America.
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Ditch Daisy,
Bidens polylepis
Outer involucral bracts curled and twisted, and longer than inner bracts, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
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Ditch Daisy,
Bidens polylepis
12-21 calyculus bractlets [outer involucral bracts], these (6)8-12(20)mm long, per Weakley's Flora.
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Ditch Daisy,
Bidens polylepis
There are 12 or more outer involucral bracts, longer than inner ones, per Wildflowers of the Southern Mountains (Smith, 1998).
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Oxeye Daisy,
Leucanthemum vulgare
Involucral bracts often w a dark line inside the hyaline [translucent] margin, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).