Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helenium autumnale
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Common Sneezeweed at Vascular Plants of North Carolina.
INCLUDING
PLANTS NATIONAL DATABASE:
Helenium autumnale var. autumnale
FAMILY
Asteraceae
SYNONYMOUS WITH Flora of North America
Helenium autumnale
INCLUDING PLANTS National Database
Helenium autumnale var. parviflorum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-75-001:
Helenium autumnale FAMILY Asteraceae
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Helenium latifolium
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Helenium parviflorum
COMMON NAME:
Common Sneezeweed
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm120804_321
August Transylvania County NC
DuPont State Forest
Ray flowers (what looks like petals) have 3 lobes and widen at their ends, per All About South Carolina Wildflowers (Midgley, 1999).
JK Marlow jkm120804_333
August Transylvania County NC
DuPont State Forest
Leaves narrowly ovate, mostly toothed, bases decurrent on the stem, per Wildflowers of the Southern Mountains (Smith, 1998).
JK Marlow jkm070917_089
September Haywood County NC
Pisgah National Forest: Pisgah Ranger District
Disc flowers yellow, in a dome. Ray flowers 12-20, 3-lobed at their tips, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
JK Marlow jkm070917_091
September Haywood County NC
Pisgah National Forest: Pisgah Ranger District
Like H. amarum, bitter and unpalatable to grazing animals, becoming more abundant in pastures, per Weakley's Flora (2022).
JK Marlow jkm070917_096
September Haywood County NC
Pisgah National Forest: Pisgah Ranger District
Involucre of one series of linear bracts, 5-10mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
involucral bracts of DYCs with ray and disc flowers
JK Marlow jkm150912_100
September Clay County NC
Nantahala National Forest: Tusquitee Ranger District
JK Marlow jkm150912_102
September Clay County NC
Nantahala National Forest: Tusquitee Ranger District
JK Marlow jkm150912_119
September Clay County NC
Nantahala National Forest: Tusquitee Ranger District
JK Marlow jkm150912_147
September Clay County NC
Nantahala National Forest: Tusquitee Ranger District
JK Marlow jkm150912_152
September Clay County NC
Nantahala National Forest: Tusquitee Ranger District
JK Marlow jkm150912_153
September Clay County NC
Nantahala National Forest: Tusquitee Ranger District
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helenium autumnale
FAMILY
Asteraceae
INCLUDING
PLANTS NATIONAL DATABASE:
Helenium autumnale var. autumnale
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America
Helenium autumnale
INCLUDING
PLANTS National Database
Helenium autumnale var. parviflorum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-75-001:
Helenium autumnale
FAMILY
Asteraceae
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Helenium latifolium
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Helenium parviflorum