Dig deeper at SERNEC, a consortium of southeastern herbaria.
The former Calystegia sepium has now been split out into several species, not to mention all now in the genus Convolvulus. Read more at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Solanales
WEAKLEY'S FLORA (2/8/20):
Convolvulus fraterniflorus
FAMILY
Convolvulaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Calystegia silvatica ssp. fraterniflora
FAMILY
Convolvulaceae
SYNONYMOUS WITH
The Plants of Pennsylvania (Rhoads & Block, 2007)
Calystegia sepium var. fraterniflora
SYNONYMOUS WITH
The Plants of Pennsylvania (Rhoads & Block, 2007)
Calystegia silvatica var. fraterniflora
INCLUDED WITHIN
Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Calystegia sepium
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Convolvulus sepium var. fraterniflorus
COMMON NAME:
Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed
Click or hover over the thumbnails to see larger pictures.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_cofr7_001_lvd
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JK Marlow jkm140701_504
July Greenville County SC
Cleveland Park
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JK Marlow jkm140701_505
July Greenville County SC
Cleveland Park
Bracts distinctly overlap and conceal the majority of the sepals, per Bindweeds of Alabama and adjacent states (Spaulding, 2013).
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JK Marlow jkm140701_514
July Greenville County SC
Cleveland Park
Flowers occasionally in pairs in axils, per Bindweeds of Alabama and adjacent states (Spaulding, 2013).
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JK Marlow jkm140701_516
July Greenville County SC
Cleveland Park
Margins of bracts overlapping at least half their length, per Bindweeds of Alabama and adjacent states (Spaulding, 2013).
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Richard and Teresa Ware rtw_c_silvatica_frater
July
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JK Marlow jkm140804_305
August Greenville County SC
Cleveland Park
Leaf sinus broad and usually squared-off (quadrate) with 2 parallel sides, per Bindweeds of Alabama and adjacent states (Spaulding, 2013).
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JK Marlow jkm140804_308
August Greenville County SC
Cleveland Park
)
JK Marlow jkm140804_309
August Greenville County SC
Cleveland Park
)
JK Marlow jkm140814_497
August Greenville County SC
Swamp Rabbit Trail
Stems strongly twining, to 4m+ long; flowers borne along middle & upper stems, per Weakley's Flora.