Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Malvales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Sida spinosa
FAMILY
Malvaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Prickly Fanpetals at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Sida spinosa
FAMILY
Malvaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sida spinosa
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 6 (2015)
Sida spinosa
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Sida spinosa
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 122-05-001:
Sida spinosa FAMILY Malvaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Sida spinosa
COMMON NAME:
Prickly Fanpetals, Prickly Sida, Prickly Mallow, False-mallow
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_sisp_001_lvd
)
USDA / Selected Weeds of the US. 1970 swus_page_265
)
Richard and Teresa Ware rtw_sida_spinosa_2
August
)
JK Marlow jkm0509f_02
September Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm100903_575
September Greenville County SC
Swamp Rabbit Trail
Peduncles about as long as the short leafstalks, per Wildflowers of the Southern Mountains (Smith, 1998).
COMPARE
Sida species
)
Richard and Teresa Ware rtw_sida_spinosa
September
)
JK Marlow jkm081102_153
November Edgefield County SC
Sumter National Forest: Edgefield Ranger District
The specific epithet refers to the short spine at the base of each petiole, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm081102_155
November Edgefield County SC
Sumter National Forest: Edgefield Ranger District
Lanceolate leaves, per Wildflowers of the Southern Mountains (Smith, 1998).
COMPARE
Sida species
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Sida spinosa
FAMILY
Malvaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Sida spinosa
FAMILY
Malvaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Sida spinosa
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 6
Sida spinosa
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Sida spinosa
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 122-05-001:
Sida spinosa
FAMILY
Malvaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Sida spinosa
1378
Forb
Annual
Habitat: Disturbed areas, wet fields, per Weakley's Flora
Non-native: Tropics
Common (uncommon in GA Coastal Plain)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
IS THE PLANT "ARMED"?
Stems with a spine subtending each leaf
LEAVES:
Simple
Alternate
FLOWER:
Spring/Summer/Fall
Orange-yellow
5 sepals united at base
5 petals united at base
Stamens united to form a staminal column surrounding ovary and styles
Superior ovary
Flowers solitary in leaf axils, sometimes appearing as two due to short branch
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Newcomb's Wildflower Guide (Newcomb, 1977) p206
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p248
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p048
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p257
- Wildflowers of Tennessee (Carman, 2005) p070
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p093
- Wildflowers of the Southern Mountains (Smith, 1998) p096
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