OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Parthenium hysterophorus   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Parthenium hysterophorus   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Parthenium hysterophorus

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Parthenium hysterophorus

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Parthenium hysterophorus

 

COMMON NAME:
Santa Maria, Feverfew


         To see larger pictures, click or hover over the thumbnails.

image of Parthenium hysterophorus, Santa Maria, Feverfew

Keith Bradley    kab_p_hysterophorus_07742

April    Miami-Dade County    FL

Leaves pinnatifid to bipinnatifid, primary sinuses 9/10+ to midrib, thin, per Weakley's Flora (2015).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Parthenium hysterophorus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Parthenium hysterophorus   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Parthenium hysterophorus

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Parthenium hysterophorus

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Parthenium hysterophorus

 

Find by SCIENTIFIC NAME:

4104

Forb
Annual

Habitat: Disturbed areas, per Weakley's Flora

Non-native: tropical America, including the West Indies

Rare

map
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
Basal & alternate (?)

FLOWER:
Summer/Fall
Rays: White, Cream
Disc: White, Cream
Inferior ovary
Disc flowers functionally staminate/ Ray flowers pistillate & fertile

Flower heads in open paniculiform arrays

FRUIT:
Summer/Fall

 

TO LEARN MORE about this plant, look it up in a good book!



 


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