Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus simulans
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more from Vascular Plants of North Carolina.
H. simulans (Muck Sunflower) is often mislabeled and sold in the horticultual trade as H. angustifolius (Narrowleaf or Swamp Sunflower). The plants are similar, but Muck Sunflower is often much larger, aggressively rhizomatous, and can become quite invasive in the garden. Buyer beware. Read more in Guide to the Wildflowers of South Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus simulans
FAMILY
Asteraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus simulans
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Helianthus simulans
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Helianthus simulans
SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Helianthus simulans
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus simulans
COMMON NAME:
Muck Sunflower
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):
Helianthus simulans
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus simulans
FAMILY
Asteraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus simulans
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Helianthus simulans
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Helianthus simulans
SYNONYMOUS WITH
Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Helianthus simulans
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus simulans
4859
Forb
Perennial
Habitat: Wet soils, ditches, roadsides, per Weakley's Flora
Native to the Coastal Plain of SC & GA (naturalized elsewhere in GA-NC-SC)
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Lower opposite, upper alternate ?
RHIZOMES? STOLONS?
Rhizomatous, forming clonal colonies
FLOWER:
Fall
Rays: Yellow
Disc: Purplish-red
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
FRUIT:
Achene
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".