OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Justicia americana   FAMILY Acanthaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Justicia americana   FAMILY Acanthaceae

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

Justicia americana

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 171-05-001:

Justicia americana   FAMILY Acanthaceae

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

Dianthera americana

 

COMMON NAME:
American Water-willow


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

image of Justicia americana, American Water-willow

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_diam2_001_lvd

        

image of Justicia americana, American Water-willow

Tim Spira    tpsjamericana8

May        

image of Justicia americana, American Water-willow

JK Marlow    jkm100611_040

June    Stanly County    NC

Morrow Mountain State Park

Ascending peduncles, 2-6" long, arrise from upper leaf axils, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Justicia americana, American Water-willow

Patrick D. McMillan    pdmjamericana_lakemarion

June        SC

Lake Marion

Flower white to lavender w purple markings, upper lip notched, lower 3-lobed, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Justicia americana, American Water-willow

JK Marlow    jkm0507e_16

July    Fayette County    WV

Hawks Nest State Park

Calyx lobes linear to lanceolate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Justicia americana, American Water-willow

JK Marlow    jkm0507e_17

July    Fayette County    WV

Hawks Nest State Park

Gets its common name from the slender, lanceolate, willow-like leaves, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Justicia americana, American Water-willow

Richard and Teresa Ware    rtw_justicia_americana_3

July        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Justicia americana   FAMILY Acanthaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Justicia americana   FAMILY Acanthaceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Justicia americana

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 171-05-001:
Justicia americana   FAMILY Acanthaceae

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

 

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1986

Emergent aquatic or semi-aquatic (rooted); Forb
Perennial

Habitat: River and stream beds, in shallow water, often rooted in rocky shallows, per Weakley's Flora

Native to the Carolinas & Georgia

Common (rare in SC Coastal Plain, where it is perhaps adventive)

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
Opposite

FLOWER:
Spring/Summer/Fall
Pale violet/ White (with purple markings)
5-lobed calyx
2-lipped corolla, upper lip notched, lower three-lobed
2 stamens
Superior ovary
Bisexual

FRUIT:
Spring/Summer/Fall
Brown
Capsule

 

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



 


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