Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Virginia Cup-plant at Vascular Plants of North Carolina.
2124
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Silphium connatum
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Silphium perfoliatum var. connatum
FAMILY
Asteraceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-001?:
Silphium connatum
FAMILY
Asteraceae
COMMON NAME:
Virginia Cup-plant
To see a detailed map, click here
Look for it in floodplain forests & openings, per Weakley's Flora
Forb
Perennial
Native to North Carolina
Documented growing wild in
-
NC
-
Uncommon
LEAVES:
Simple
Opposite (connate-perfoliate)
FLOWER:
Summer
Rays: Yellow
Disc: Yellow
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
Flower heads with usually around 8 or 13 rays, notched at apex
Inferior ovary
FRUIT:
Summer
Achene
TO LEARN MORE about this plant, look it up in a good book!
Silphium connatum FAMILY Asteraceae
Virginia Cup-plant
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Virginia Cup-plant at Vascular Plants of North Carolina.
Click the thumbnails to see larger pictures.
JK Marlow jkm060711_045
July Fayette County WV
Creekside/Riverside
Stem square, and spreading-hispid (rarely nearly glabrous), per Weakley's Flora.
JK Marlow jkm060711_053
July Fayette County WV
Creekside/Riverside
Variety connatum is known only from New River Valley, per Flora of North America.
JK Marlow jkm060711_067
July Fayette County WV
Creekside/Riverside
Flower heads with usually around 8 or 13 rays, per Weakley's Flora.
JK Marlow jkm060711_074
July Fayette County WV
Creekside/Riverside
Upper leaves connate, fused basally, the stem thus perfoliate, per Weakley's Flora.
JK Marlow jkm060711_079
July Fayette County WV
Creekside/Riverside
Stem with many leaves, leaves similar in size, the upper leaves fused basally, per Weakley's Flora.
JK Marlow jkm060711_085
July Fayette County WV
Creekside/Riverside
Involucral bracts of the genus Silphium are wide and usually squarrose, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of Silphium