Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Heterotheca subaxillaris
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
The entity formerly referred to as H. latifolia has been merged into H. subaxillaris. Read more at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heterotheca subaxillaris
FAMILY
Asteraceae
INCLUDING New England Wildflower Society’s Flora Novae Angliae (Haines, 2011)
Heterotheca subaxillaris var. latifolia
INCLUDING Miscellaneous nomenclatural changes in Astereae (Asteraceae) (Semple, 2004)
Heterotheca subaxillaris ssp. latifolia
INCLUDING Miscellaneous nomenclatural changes in Astereae (Asteraceae) (Semple, 2004)
Heterotheca subaxillaris ssp. subaxillaris
INCLUDING A revision of Heterotheca sect. Phyllotheca (Compositae: Astereae): the prairie and montane goldenasters of North America (Semple, 1996)
Heterotheca latifolia var. latifolia
INCLUDING A revision of Heterotheca sect. Phyllotheca (Compositae: Astereae): the prairie and montane goldenasters of North America (Semple, 1996)
Heterotheca subaxillaris
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-51-010:
Heterotheca subaxillaris FAMILY Asteraceae
INCLUDING Revision of Heterotheca, section Heterotheca (Compositae) (Wagenknecht, 1960)
Heterotheca subaxillaris var. subaxillaris
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Heterotheca subaxillaris
COMMON NAME:
Camphorweed
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hesu3_001_lvd
)
Alan S. Weakley asw_10231861214409337
July Georgetown County? SC
)
Glen Peterson gkp9396_hlatifoliacut
August Spartanburg County SC
Pappus bristles capillary (that is, hairlike, very slender), per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Glen Peterson gkp9398_hlatifoliaflowers
August Spartanburg County SC
Nutlets of rays essentially without pappus, those of disc flowers with pappus, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm230808_4768
August Pickens County SC
Glassy Mountain Heritage Preserve
)
JK Marlow jkm0309p_33
September Horry County SC
Myrtle Beach State Park
Plants glandular and sticky, with a camphorlike odor when crushed, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
)
JK Marlow jkm060929_019
September Greenville County SC
It seems best to treat the complex as a single polymorphic species, per Flora of North America.
)
JK Marlow jkm110917_390
September Greenville County SC
Swamp Rabbit Trail
Ray florets 15-35; laminae 3-7(9) × 1-2mm. Disc florets 25-60, per Flora of North America.
)
JK Marlow jkm200920_7340
September Pickens County SC
Glassy Mountain Heritage Preserve
Plants erect or decumbent, to 2m tall, per Weakley's Flora (2018).
)
JK Marlow s050902_a
September Greenville County SC
Upper leaves sessile, base rounded to clasping, per Weakley's Flora (2020).
)
JK Marlow s050902_a2
September Greenville County SC
Leaves green or slightly grayish, scabrous, also w spreading to curved hairs, per Weakley's Flora (2020).
)
JK Marlow jkm0510a_31
October Greenville County SC
)
JK Marlow jkm061001_026
October Greenville County SC
Disc flower nutlets pubescent w tan pappus; ray nutlets glabrous w no pappus, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm061001_033
October Greenville County SC
Heads numerous, in corymbs, often diffuse and appearing paniculate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm151008_017
October Greenville County SC
)
JK Marlow jkm211002_3992
October Greenville County SC
)
JK Marlow jkm211003_4084
October Greenville County SC
)
JK Marlow jkm211003_4085
October Greenville County SC
)
JK Marlow jkm211003_4088
October Greenville County SC
Involucres hemispheric; bracts linear, appressed, stipitate-glandular, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
involucral bracts of DYCs with ray and disc flowers
)
JK Marlow jkm181110_5742
November Georgetown County SC
Huntington Beach State Park
)
JK Marlow jkm231104_6586
November Georgetown County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Heterotheca subaxillaris
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Heterotheca subaxillaris
FAMILY
Asteraceae
INCLUDING
New England Wildflower Society’s Flora Novae Angliae (Haines, 2011)
Heterotheca subaxillaris var. latifolia
INCLUDING
Miscellaneous nomenclatural changes in Astereae (Asteraceae) (Semple, 2004)
Heterotheca subaxillaris ssp. latifolia
INCLUDING
Miscellaneous nomenclatural changes in Astereae (Asteraceae) (Semple, 2004)
Heterotheca subaxillaris ssp. subaxillaris
INCLUDING
A revision of Heterotheca sect. Phyllotheca (Compositae: Astereae): the prairie and montane goldenasters of North America (Semple, 1996)
Heterotheca latifolia var. latifolia
INCLUDING
A revision of Heterotheca sect. Phyllotheca (Compositae: Astereae): the prairie and montane goldenasters of North America (Semple, 1996)
Heterotheca subaxillaris
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-51-010:
Heterotheca subaxillaris
FAMILY
Asteraceae
INCLUDING
Revision of Heterotheca, section Heterotheca (Compositae) (Wagenknecht, 1960)
Heterotheca subaxillaris var. subaxillaris
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Heterotheca subaxillaris
4398
Forb
Annual/Short-lived perennial
Habitat: Coastal dunes and sand-flats, roadsides, disturbed areas, per Weakley's Flora
Native to the Coastal Plain of the Carolinas & Georgia
Common
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Basal & alternate
FLOWER:
WinterSummer/Fall
Rays: Yellow
Disc: Yellow
Inferior ovary
Disc flowers bisexual/ Ray flowers pistillate and fertile
FRUIT:
WinterSummer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p496
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p280
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p090
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