Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Silphium integrifolium var. integrifolium
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
INCLUDING
PLANTS NATIONAL DATABASE:
Silphium integrifolium var. integrifolium
FAMILY
Asteraceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Silphium integrifolium var. integrifolium
INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)
Silphium integrifolium var. integrifolium
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Silphium integrifolium var. deamii
INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Silphium integrifolium var. integrifolium
COMMON NAME:
Prairie Rosinweed
NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Silphium integrifolium var. integrifolium
FAMILY
Asteraceae
INCLUDING
PLANTS NATIONAL DATABASE:
Silphium integrifolium var. integrifolium
FAMILY
Asteraceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Silphium integrifolium var. integrifolium
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 19-20-21
Silphium integrifolium var. integrifolium
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Silphium integrifolium var. deamii
INCLUDED WITHIN
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Silphium integrifolium var. integrifolium
2908
Forb
Perennial
Habitat: Prairies, calcareous glades and barrens, per Weakley's Flora
Native: north & west of the Carolinas & Georgia
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Opposite
Leaves are sessile or clasping.
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Flower heads with 12-36 ray flowers, notched at apex
Inferior ovary
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
FRUIT:
Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers (Midgley, 1999) p259?
- Wildflowers of Tennessee (Carman, 2005) p324
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p376
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