Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fabales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Phaseolus sinuatus
FAMILY
Fabaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
This species should be readily identifiable by its odd leaflets. Like P. polystachios, this species is vine-like, trailing on the ground for a length of up to 12-14 feet! The 3 leaflets are oddly shaped... Learn more at Vascular Plants of North Carolina.
Phaseolus sinuatus is not always easy to distinguish in sterile condition from Strophostyles. Phaseolus sinuatus has notable variegation of the leaflets, with irregular bands or spots of lighter green along the midvein and especially at the junctions of the midvein of each leaflet with the primary lateral veins, per Weakley's Flora (2022)
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Phaseolus polystachios var. sinuatus
FAMILY
Fabaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Phaseolus polystachyus ssp. sinuatus
SYNONYMOUS WITH Native & naturalized Leguminosae (Fabaceae) of the US (Isely, 1998)
Phaseolus sinuatus
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-44-001:
Phaseolus sinuatus FAMILY Fabaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Phaseolus sinuatus
COMMON NAME:
Sandhill Bean, Trailing Wild Bean
To see larger pictures, click or hover over the thumbnails.
)
Will Stuart wil_p_sinuatus_267
August Richmond County NC
North Carolina Sandhills Gamelands
Flowers ~ 10mm long, the keel spirally coiled and splitting the wing petals, per Wildflowers of the Sandhills Region (Sorrie, 2011).
)
Will Stuart wil_p_sinuatus_269
August Richmond County NC
North Carolina Sandhills Gamelands
)
Will Stuart wil_p_sinuatus_282
August Richmond County NC
North Carolina Sandhills Gamelands
Leaflets ovate or diamond-shaped, margins more or less sinuous, mottled, per Wildflowers of the Sandhills Region (Sorrie, 2011).
)
Will Stuart wil_p_sinuatus_289
August Richmond County NC
North Carolina Sandhills Gamelands
Radiating from a central point, stems are prostrate, unbranched, to 4m long, per Wildflowers of the Sandhills Region (Sorrie, 2011).
COMPARE
leaves that are trifoliolate and pinnately compound
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Phaseolus sinuatus
FAMILY
Fabaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Phaseolus polystachios var. sinuatus
FAMILY
Fabaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Phaseolus polystachyus ssp. sinuatus
SYNONYMOUS WITH
Native & naturalized Leguminosae (Fabaceae) of the US (Isely, 1998)
Phaseolus sinuatus
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 098-44-001:
Phaseolus sinuatus
FAMILY
Fabaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Phaseolus sinuatus
3126
Herbaceous vine
Perennial
Habitat: Longleaf pine sandhills, especially in loamier, more mesic swales, per Weakley's Flora
Native to the Carolinas & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Odd-pinnately compound: 3 leaflets (rarely 1)
Mostly alternate
Margins entire
Leaves are subtended by persistent stipules.
Leaflets are subtended by stipels.
FLOWER:
Summer/Fall
Pale purplish
Bilaterally symmetrical
2-lipped 5-lobed campanulate calyx
5-parted papilionaceous corolla
10 stamens, diadelphous, 9 and 1
Superior ovary
FRUIT:
Summer/Fall
Legume
TO LEARN MORE about this plant, look it up in a good book!
- Atlantic Coastal Plain Wildflowers (Nelson, 2006) p055
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p307
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p202
- Wildflowers of the Southern Mountains (Smith, 1998) p078
- Wildflowers of the Sandhills Region (Sorrie, 2011) p077
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