OF THE CAROLINAS & GEORGIA

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



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.

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_euhy_001_lvd

        

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    s040103_b

January    Greenville County    SC

Roadside

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

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).

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm190601_8848

June    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm190601_8852

June    Greenville County    SC

Leaves linear to narrowly lanceolate, 10-40× as long as wide, per Weakley's Flora (2023).

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm180711_3383

July    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm180711_3385

July    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Roxanna Martin    rlm73109_101

July    Spartanburg County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm230812_4982

August    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm230812_5001

August    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

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).

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Roxanna Martin    rlm82310_51

August    Spartanburg County    SC

Flowers discoid, perfect, white, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm080906_015

September    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm230901_5171

September    Greenville County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Patrick D. McMillan    pdmehyssopifolium_home

September    Anderson County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

Roxanna Martin    rlm9510_25

September    Spartanburg County    SC

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm0110b_10a

October    Greenville County    SC

Roadside

Pollinator at work.

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

JK Marlow    jkm0210j_19

October    Greenville County    SC

Roadside

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

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).

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

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).

image of Eupatorium hyssopifolium, Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium

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

 

Find by SCIENTIFIC NAME:

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)

map
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
Inferior ovary
Bisexual

FRUIT:
Summer/Fall
Lustrous black
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



 


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