OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Liliales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Amianthium muscitoxicum   FAMILY Melanthiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amianthium muscitoxicum   FAMILY Liliaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Amianthium muscaetoxicum

SYNONYMOUS WITH Flora of North America

Amianthium muscitoxicum

SYNONYMOUS WITH The genera of Melanthiaceae in the southeastern United States (Zomlefer, 1997)

Zigadenus muscitoxicus

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 041-21-001:

Amianthium muscaetoxicum   FAMILY Liliaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Chrosperma muscaetoxicum

 

COMMON NAME:
Fly-poison


         To see larger pictures, click or hover over the thumbnails.

image of Amianthium muscitoxicum, Fly-poison

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_chmu5_001_lvd

        

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm110417_081

April    Cleburne County    AL

Mount Cheaha

image of Amianthium muscitoxicum, Fly-poison

Wesley Burnett    gwb070528_0671

May    Laurens County    SC

Sumter National Forest: Tyger Ranger District

Terminal racemes can be conical or cylindrical, 1.25-4.5" tall, per Wildflowers in the Field and Forest: Northeastern US (Clemants & Gracie, 2006).

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm070528_122

May    Laurens County    SC

Sumter National Forest: Tyger Ranger District

Leaves are linear and up to 3/4" wide, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm110510_347

May    Abbeville County    SC

Parson's Mountain Recreation Area

Stem terminated by a cone-shaped, 2-4", many-flowered inflorescence, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).


click here to see other plants that look similar to this COMPARE Crow-poison and Fly-poison

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm110510_350

May    Abbeville County    SC

Parson's Mountain Recreation Area

Leaves are pleated lengthwise, per Vascular Plants of North Carolina.

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm120505_324

May    Rabun County    GA

Chattahoochee National Forest

Basal lvs' main veins parallel, diverging at leaf base & rejoining at the apex, per Weakley's Flora.

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm160504_427

May    Jackson County    NC

Panthertown

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm230523_3364

May    Greenville County    SC

Watson-Cooper Heritage Preserve

image of Amianthium muscitoxicum, Fly-poison

Richard and Teresa Ware    rtw_a_muscaetoxicum_sf_3c

May        

An erect perennial herb that grows to 3' tall, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Amianthium muscitoxicum, Fly-poison

Keith Bradley    kab_a_muscitoxicum_9672

June    Henderson County    NC

Pisgah National Forest

image of Amianthium muscitoxicum, Fly-poison

Keith Bradley    kab_a_muscitoxicum_9701

June    Henderson County    NC

Pisgah National Forest

A terminal raceme [flowers maturing from the bottom upwards], per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Amianthium muscitoxicum, Fly-poison

Jerry Bright    jeb_flypoison

July    Haywood County    NC

Pisgah National Forest: Pisgah Ranger District

image of Amianthium muscitoxicum, Fly-poison

Jerry Bright    jeb_mg_0585

July    Haywood County?    NC

Pisgah National Forest: Pisgah Ranger District

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm090709_191

July    Haywood County    NC

Pisgah National Forest: Pisgah Ranger District

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm230713_4404

July    Greenville County    SC

Watson-Cooper Heritage Preserve

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm230713_4405

July    Greenville County    SC

Watson-Cooper Heritage Preserve

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm230713_4408

July    Greenville County    SC

Watson-Cooper Heritage Preserve

Leaves mostly basal, stem leaves rapidly reduced upward, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Amianthium muscitoxicum, Fly-poison

JK Marlow    jkm080802_060c

August    Jackson County    NC

Blue Ridge Parkway

The perianth turns green after pollination and remains so for some time, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Amianthium muscitoxicum, Fly-poison

Steve Marlow    snm140816_050

August    Jackson County    NC

High Hampton Inn

image of Amianthium muscitoxicum, Fly-poison

Steve Marlow    snm140816_051

August    Jackson County    NC

High Hampton Inn

Capsules deeply 3-lobed, thin-walled, dehiscence septicidal then loculicidal, per Flora of North America.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Amianthium muscitoxicum   FAMILY Melanthiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Amianthium muscitoxicum   FAMILY Liliaceae

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Amianthium muscaetoxicum

SYNONYMOUS WITH Flora of North America
Amianthium muscitoxicum

SYNONYMOUS WITH The genera of Melanthiaceae in the southeastern United States (Zomlefer, 1997)
Zigadenus muscitoxicus

SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 041-21-001:
Amianthium muscaetoxicum   FAMILY Liliaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Chrosperma muscaetoxicum

 

Find by SCIENTIFIC NAME:

71

Forb
Perennial

Habitat: In a wide variety of mesic to dry forests, pine savannas, longleaf pine sandhills, meadows, from 5m to at least 1600m in elevation, per Weakley's Flora

Native to the Carolinas & Georgia

Common

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Mostly basal

FLOWER:
Spring/Summer
White
Radially symmetrical
6 persistent tepals
6 stamens
Ovary superior to partly inferior
Bisexual, or both bisexual & unisexual on the same or different plants

Inflorescence a raceme

FRUIT:
Summer/Fall
Capsule

 

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



 


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