Your search found 23 image(s) of involucral bracts of North American asters.
To see larger pictures, click or hover over the thumbnails.
To go to the plant's detail page, click its name.
)
Toothed Whitetop Aster,
Sericocarpus asteroides
Involucres narrowly campanulate to cylindric, upper bracts usually squarrose, per Vascular Flora of the Carolinas.
)
Narrowleaf Whitetop Aster,
Sericocarpus linifolius
Involucral bracts whitish with green tips, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
White Wood-aster,
Eurybia divaricata
Phyllaries strongly unequal, outer green zones in distal one-half to one-third, per Flora of North America.
)
Heartleaf Aster,
Symphyotrichum cordifolium
Phyllaries with lanceolate diamond-shaped blaze (2-3x long as wide), per Weakley's Flora (2015).
)
Heartleaf Aster,
Symphyotrichum cordifolium
Bract tips dark green. — Ron Lance
)
White Arrowleaf Aster,
Symphyotrichum urophyllum
Phyllaries with linear-lanceolate-shaped green blaze (> 4x as long as wide), per Weakley's Flora (2015).
)
Wavyleaf Aster,
Symphyotrichum undulatum
Phyllaries appressed, green blaze lanceolate to elongate diamond-shaped, per Weakley's Flora (2015).
)
Wavyleaf Aster,
Symphyotrichum undulatum
Bracts pale with green diamond-shaped band near apex or along entire midrib, per Vascular Flora of the Carolinas.
)
Late Purple Aster,
Symphyotrichum patens var. patens
Phyllaries in 4-7(8) series, appressed or often slightly recurved-spreading, per Flora of North America.
)
Georgia Aster,
Symphyotrichum georgianum
Involucres 8-10(12)mm high, per Weakley's Flora.
)
Georgia Aster,
Symphyotrichum georgianum
Phyllaries in 4-7 series, apices spreading or reflexed, often purplish, per Flora of North America.
)
Creeping Aster,
Eurybia surculosa
The involucral bracts are spreading but not recurved, per Wildflowers of the Southern Mountains.
)
Eryngo-leaved Aster,
Eurybia eryngiifolia
A conspicuous rounded involucre of green bracts, per East Gulf Coastal Plain Wildflowers.
)
Purplestem Aster,
Symphyotrichum puniceum var. puniceum
Involucres hemispheric to campanulate; bracts green, per Vascular Flora of the Carolinas.
)
Buck Creek Aster,
Symphyotrichum rhiannon
Phyllaries in 3-4 series, slightly unequal, narrowly oblong-lanceolate, per Flora of North America.
)
Curtis's Aster,
Symphyotrichum retroflexum
Readily recognized by the green, leafy, strongly recurved, involucral bracts, per Wildflowers of the Southern Mountains.
)
Climbing Aster,
Ampelaster carolinianus
Involucral bracts whitish, green with dark green foliaceous apices, per Vascular Flora of the Carolinas.
)
Eastern Silvery Aster,
Symphyotrichum concolor var. concolor
Phyllaries in 3-5 series, appressed, strongly unequal, green distally, per Flora of North America.
)
Eastern Silvery Aster,
Symphyotrichum concolor var. concolor
Phyllaries & upper stem lvs moderately to densely sericeous (silky-pubescent), per Weakley's Flora.
)
Stiffleaf Aster,
Ionactis linariifolia
Involucres turbinate; bracts whitish with green midrib, appressed, glabrous, per Vascular Flora of the Carolinas.
)
Frost Aster,
Symphyotrichum pilosum var. pilosum
Involucral bracts lanceolate, acuminate, the apex acicular [needle-like], per Vascular Flora of the Carolinas.
)
Calico Aster,
Symphyotrichum lateriflorum
Involucres turbinate; bracts whitish with green midrib, per Vascular Flora of the Carolinas.
)
Bushy Aster,
Symphyotrichum dumosum var. dumosum
Involucres cylindro-campanulate. Phyllaries appressed or slightly spreading, per Flora of North America.