Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Urtica chamaedryoides
FAMILY
Urticaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Weak Nettle at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Urtica chamaedryoides
FAMILY
Urticaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Urtica chamaedryoides
SYNONYMOUS WITH Flora of North America
Urtica chamaedryoides
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 059-02-002:
Urtica chamaedryoides FAMILY Urticaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Urtica chamaedryoides
COMMON NAME:
Weak Nettle, Dwarf Stinging Nettle, Heartleaf Nettle
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_urch3_001_lvd
)
Keith Bradley kab_u_chamaedryoides_2423
March Calhoun County SC
Congaree Bluffs Heritage Preserve
)
Keith Bradley kab_u_chamaedryoides_2442
March Calhoun County SC
Congaree Bluffs Heritage Preserve
Staminate and pistillate flowers intermixed, sessile to short-pedunculate, per Flora of North America.
)
Keith Bradley kab_u_chamaedryoides_2457
March Calhoun County SC
Congaree Bluffs Heritage Preserve
)
Keith Bradley kab_u_chamaedryoides_2458
March Calhoun County SC
Congaree Bluffs Heritage Preserve
Stinging trichomes, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Richard and Teresa Ware rtw_u_chamaedryoides_2
March
Leaf blades usually widest below middle or near base; margins serrate, per Flora of North America.
COMPARE
False Nettle, Wood Nettle and Stinging Nettle
)
JK Marlow jkm180408_270
April McCormick County SC
Stevens Creek Heritage Preserve
)
JK Marlow jkm180408_273
April McCormick County SC
Stevens Creek Heritage Preserve
Flowers in small, often compact, nearly spherical clusters, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm180408_278
April McCormick County SC
Stevens Creek Heritage Preserve
)
JK Marlow jkm180408_281
April McCormick County SC
Stevens Creek Heritage Preserve
Slender annual, 0.5-1.6m tall, frequently supported by other plants, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_823283262688921
April SC
)
Patrick D. McMillan pdmuchamaedryoides_mcc2
April McCormick County SC
)
JK Marlow jkm150519_097099c
May Calhoun County SC
Congaree Bluffs Heritage Preserve
Leaf base nearly cordate to rounded, sometimes cuneate in distal leaves, per Flora of North America.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Urtica chamaedryoides
FAMILY
Urticaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Urtica chamaedryoides
FAMILY
Urticaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Urtica chamaedryoides
SYNONYMOUS WITH
Flora of North America
Urtica chamaedryoides
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 059-02-002:
Urtica chamaedryoides
FAMILY
Urticaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Urtica chamaedryoides
2199
Forb
Annual
Monoecious
Habitat: Rich moist soil, usually on floodplains, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in GA Coastal Plain (rare elsewhere in GA-NC-SC)
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.)
IS THE PLANT "ARMED"?
Stinging trichomes present
LEAVES:
Simple
Opposite
Leaves are subtended by stipules.
FLOWER:
Winter/Spring/Summer/Fall
Greenish
Radially symmetrical
4 sepals
Petals absent
4 stamens in staminate flowers
Unisexual
FRUIT:
Winter/Spring/Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p220
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p340
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
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