Your search found 18 image(s) of involucral bracts of DYCs with ray flowers only (no disc).
Clicking or hovering over any of the pictures below will display a larger image; clicking the plant's name will provide information about the plant pictured.
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Prickly Lettuce,
Lactuca serriola
Involucres 10-15mm long, 3-5mm broad. Bracts imbricate, per Vascular Flora of the Carolinas.
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American Wild Lettuce,
Lactuca canadensis
Orange-yellow flowers extend slightly from urn-shaped involucral cylinders, per Forest Plants of the Southeast and Their Wildlife Uses.
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Field Sowthistle,
Sonchus arvensis var. glabrescens
Heads 30-50mm across in flower. Phyllaries and peduncles glabrous, per Weakley's Flora (2015).
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Prickly Sowthistle,
Sonchus asper
Involucres 10-13mm long, 8-14mm broad, bracts lanceolate, per Vascular Flora of the Carolinas.
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Annual Sowthistle,
Sonchus oleraceus
Involucres 8-13mm long, 6-14mm broad; bracts rarely glandular, per Vascular Flora of the Carolinas.
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Mouse-ear Hawkweed,
Pilosella officinarum
Involucres 7-12mm long, clothed with black trichomes and stipitate glands, per Vascular Flora of the Carolinas.
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Field Hawkweed,
Pilosella caespitosa
Stem & involucres have conspicuous black-tipped glandular hairs, per Wildflowers of the Southern Mountains.
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Rattlesnake Hawkweed,
Hieracium venosum
Peduncles usually stipitate-glandular. Bracts acute, about 1mm wide, per Vascular Flora of the Carolinas.
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Hairy Hawkweed,
Hieracium gronovii
Involucres 6-8mm long, 3-5mm broad, usually stipitate-glandular, per Vascular Flora of the Carolinas.
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Asiatic Hawksbeard,
Youngia japonica
Involucres 5-6mm long, 1.5-2.5mm broad; inner bracts linear, outer very short, per Vascular Flora of the Carolinas.
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Hairy Cat's-ear,
Hypochaeris radicata
Involucral bracts imbricate, in several series, per Vascular Flora of the Carolinas.
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Hairy Cat's-ear,
Hypochaeris radicata
Phyllaries narrowly lanceolate, unequal, margins scarious, green to darkened, per Flora of North America.
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Vegetable Oyster,
Tragopogon dubius
Rays pale yellow, obviously shorter than the longest phyllaries, per Weakley's Flora.
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Mountain Dwarf-dandelion,
Krigia montana
In Krigia, the involucral bracts are in 1 series, per Vascular Flora of the Carolinas.
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Virginia Dwarf-dandelion,
Krigia virginica
Krigia's involucral bracts are in a single series (vs. 2 in Taraxacum), per Wildflowers of the Southern Mountains.
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Carolina False-dandelion,
Pyrrhopappus carolinianus
Inner bracts in 1 series, outer bracts shorter & in several series, per Vascular Flora of the Carolinas.
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Common Dandelion,
Taraxacum officinale
Outer involucral bracts are reflexed and about as long as inner bracts, per Wildflowers of Tennessee.