OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Fatoua villosa   FAMILY Moraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Fatoua villosa   FAMILY Moraceae

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

Fatoua villosa

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 3 (1997)

Fatoua villosa

 

COMMON NAME:
Mulberry-weed, Crabweed, Foolish-weed


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

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

JK Marlow    jkm0307g_02

July    Greenville County    SC

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

JK Marlow    jkm0407x_33

July    Greenville County    SC

First reported in Louisiana in early 60s. By 2004, its distribution included 28 states, per Weakley's Flora (2022).

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

JK Marlow    jkm0407x_36

July    Greenville County    SC

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Roxanna Martin    rlm82110_33

August    Spartanburg County    SC

Inflorescences are dense cymes borne on peduncles in leaf axils, per Weakley's Flora (2022).

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Roxanna Martin    rlm8310_1

August    Spartanburg County    SC

Pubescence of stem and foliage is uncinulate, giving plant a "tacky" feel, per Weakley's Flora.

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Roxanna Martin    rlm8310_5

August    Spartanburg County    SC

Achenes white, oval, 3-angled, ~ 1 mm, minutely muricate, per Flora of North America.

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Roxanna Martin    rlm8710_5

August    Spartanburg County    SC

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

JK Marlow    s050821_a1

August    Greenville County    SC

Alternate, ovate leaves with cordate bases, borne on long petioles (about as long as leaf blade), per Weakley's Flora (2022).

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Gill Newberry    gn09_fatoua_flowers

September        

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

JK Marlow    jkm0509i_18

September    Greenville County    SC

Stems branched, light green, darkening w age, sometimes reddish-purple at base, w hooked hairs, per Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019).

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Richard and Teresa Ware    rtw_fatoua_villosa

September        

image of Fatoua villosa, Mulberry-weed, Crabweed, Foolish-weed

Richard and Teresa Ware    rtw_fatoua_villosa_2

September        

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Fatoua villosa   FAMILY Moraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Fatoua villosa   FAMILY Moraceae

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 3
Fatoua villosa

 

Find by SCIENTIFIC NAME:

2029

Forb
Annual
Monoecious

Habitat: Disturbed areas, vegetable and flower gardens, landscaped areas around institutional buildings, per Weakley's Flora

Non-native: Asia

Uncommon in Carolina Piedmont (rare elsewhere in GA-NC-SC)

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.)


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

 

DOES THE PLANT HAVE "MILKY SAP"?
Does not have milky sap

IS THE PLANT "ARMED"?
Stinging trichomes absent

LEAVES:
Simple
Mostly alternate

FLOWER:
Summer/Fall
Greenish
Radially symmetrical
4-lobed calyx
4 stamens in staminate flowers
Superior ovary
Unisexual

FRUIT:
Summer/Fall
Multiple of nutlets

 

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



 


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