Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
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 north of Mexico, vol. 21 (2006)
Eupatorium hyssopifolium var. hyssopifolium
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
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
)
Alan S. Weakley asw_909345153690063
May Granville County NC
Principal leaves 1-5mm wide, entire to obscurely toothed, the leaves mostly in whorls of 3 or 4, per Weakley's Flora (2023).
)
JK Marlow jkm190601_8848
June Greenville County SC
)
JK Marlow jkm190601_8852
June Greenville County SC
Leaves linear to narrowly lanceolate, 10-40× as long as wide, per Weakley's Flora (2023).
)
JK Marlow jkm180711_3383
July Greenville County SC
)
JK Marlow jkm180711_3385
July Greenville County SC
)
Roxanna Martin rlm73109_101
July Spartanburg County SC
)
JK Marlow jkm230812_4982
August Greenville County SC
)
JK Marlow jkm230812_5001
August Greenville 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
)
JK Marlow jkm230901_5171
September Greenville County SC
)
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 (4/14/23):
Eupatorium hyssopifolium
FAMILY
Asteraceae__
INCLUDING
PLANTS NATIONAL DATABASE:
Eupatorium hyssopifolium var. hyssopifolium
FAMILY
Asteraceae__
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 21
Eupatorium hyssopifolium var. hyssopifolium
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
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: woodlands and oak savannas, roadbanks, pastures, fields, disturbed areas, over calcareous and acidic substrates, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in Carolina Mountains)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Mostly in whorls of 3 or 4
Petioles obscured by decurrent blade
FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Inferior ovary
Bisexual
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
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