Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium hyssopifolium
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Hyssopleaf Boneset at Vascular Plants of North Carolina.
INCLUDING
PLANTS NATIONAL DATABASE:
Eupatorium hyssopifolium var. hyssopifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH Flora of North America
Eupatorium hyssopifolium var. hyssopifolium
INCLUDING PLANTS National Database
Eupatorium hyssopifolium var. calcaratum
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-013:
Eupatorium hyssopifolium FAMILY Asteraceae__
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium lecheifolium
INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium sessilifolium
COMMON NAME:
Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_euhy_001_lvd
)
JK Marlow s040103_b
January Greenville County SC
Roadside
)
JK Marlow jkm190601_8848
June Greenville County SC
)
JK Marlow jkm190601_8852
June Greenville County SC
Principal leaves entire to obscurely toothed, mostly in whorls of 3 or 4, per Weakley's Flora (2012).
)
JK Marlow jkm180711_3383
July Greenville County SC
)
JK Marlow jkm180711_3385
July Greenville County SC
)
Roxanna Martin rlm73109_101
July Spartanburg County SC
)
Roxanna Martin rlm82210_99
August Spartanburg County SC
Involucres cylindric, 5-flowered; bracts obtuse->acute, apices & margins white, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Roxanna Martin rlm82310_51
August Spartanburg County SC
Flowers discoid, perfect, white, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm080906_015
September Greenville County SC
Principal leaves 2-7cm long, 1-5mm wide, 10-40x as long as wide, per Weakley's Flora (2012).
)
Patrick D. McMillan pdmehyssopifolium_home
September Anderson County SC
)
Roxanna Martin rlm9510_25
September Spartanburg County SC
)
JK Marlow jkm0110b_10a
October Greenville County SC
Roadside
Pollinator at work.
)
JK Marlow jkm0210j_19
October Greenville County SC
Roadside
)
Roxanna Martin rlm10910_489
October Spartanburg County SC
Pappus whitish, 4 to 5.5 mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow s021026_b
October Greenville County SC
Roadside
Flowers white to cream-colored, in a broad flat-topped corymb, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
JK Marlow s071021_j2
October Pickens County SC
Roadside
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium hyssopifolium
FAMILY
Asteraceae__
INCLUDING
PLANTS NATIONAL DATABASE:
Eupatorium hyssopifolium var. hyssopifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH
Flora of North America
Eupatorium hyssopifolium var. hyssopifolium
INCLUDING
PLANTS National Database
Eupatorium hyssopifolium var. calcaratum
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-013:
Eupatorium hyssopifolium
FAMILY
Asteraceae__
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium lecheifolium
INCLUDING
Manual of the Southeastern Flora (Small, 1933, 1938)
Eupatorium sessilifolium
550
Forb
Perennial
Habitat: Roadbanks, pastures, fields, disturbed areas, dry woodlands, per Weakley's Flora
Native to the Carolinas & Georgia
Common (rare to uncommon in Carolina Mountains)
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Mostly in whorls of 3 or 4
Petioles obscured by decurrent blade
FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Bisexual
Inferior ovary
FRUIT:
Summer/Fall
Lustrous black
Achene
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers (Midgley, 1999) p158
- Newcomb's Wildflower Guide (Newcomb, 1977) p432
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p198
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p078
- Wildflowers of Tennessee (Carman, 2005) p295
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p344
- Wildflowers of the Southern Mountains (Smith, 1998) p181
- Wildflowers of the Sandhills Region (Sorrie, 2011) p123