Native & Naturalized Plants of the Carolinas & Georgia


662

Forb
Biennial

Native to North Carolina & Georgia
Documented growing wild in GA NC -

Uncommon in NC, rare in GA

Look for it in forests, roadbanks, meadows, forest openings, per Weakley's Flora

map
To see a detailed map, click here

 

full sun ...Variable

LEAVES:
Ternately or pinnately compound
Alternate

FLOWER:
Spring/Summer
White
Bisexual & staminate
Somewhat asymmetrical
5-merous
Inferior ovary
Flowers in compound umbels

FRUIT:
Summer
Schizocarp of two mericarps

 

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



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

WEAKLEY'S FLORA (11/30/12):
Heracleum maximum   FAMILY Apiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Heracleum maximum   FAMILY Apiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 140-36-001:
Heracleum lanatum   FAMILY Apiaceae

SYNONYMOUS WITH Heracleum sphondylium var. lanatum

SYNONYMOUS WITH Heracleum sphondylium ssp. montanum

 

COMMON NAME:
Cow Parsnip, American Hogweed, Masterwort


Click or hover over the thumbnails to see larger pictures.

image of Heracleum maximum

JK Marlow    jkm0505n_08

May    Jackson County    NC

Blue Ridge Parkway

image of Heracleum maximum

JK Marlow    s050522_ab

May    Jackson County    NC

Blue Ridge Parkway

The large leaves are divided into 3 toothed, lobed, maple-like leaflets, per Wildflowers of the Blue Ridge Parkway.


click here to see other plants that look similar to this COMPARE compound leaves of woodland herbs, with toothed margins

image of Heracleum maximum

JK Marlow    jkm0506p_21

June    Jackson County    NC

Blue Ridge Parkway

Umbels up to 8" across; outer flowers larger with lobed petals, per Wildflowers of the Southern Mountains.

image of Heracleum maximum

JK Marlow    jkm0506p_23

June    Jackson County    NC

Blue Ridge Parkway

The sheaths of the petioles expanded to as much as 2" wide, per Wildflowers of the Southern Mountains.

image of Heracleum maximum

JK Marlow    jkm0506p_24

June    Jackson County    NC

Blue Ridge Parkway

image of Heracleum maximum

JK Marlow    jkm090707_028

July    Avery County    NC

The Roan Highlands

image of Heracleum maximum

JK Marlow    jkm090707_029

July    Avery County    NC

The Roan Highlands

The umbels are compound; peduncles tomentose to villous, per Vascular Flora of the Carolinas.

image of Heracleum maximum

JK Marlow    jkm090707_031

July    Avery County    NC

The Roan Highlands

image of Heracleum maximum

JK Marlow    jkm090707_034

July    Avery County    NC

The Roan Highlands

Fruit puberulent or glabrate, strongly flattened, oil tubes clearly visible, per Vascular Flora of the Carolinas.

image of Heracleum maximum

JK Marlow    jkm090707_037

July    Avery County    NC

The Roan Highlands

image of Heracleum maximum

JK Marlow    jkm090707_040

July    Avery County    NC

The Roan Highlands

image of Heracleum maximum

JK Marlow    jkm090707_043

July    Avery County    NC

The Roan Highlands

image of Heracleum maximum

JK Marlow    jkm090707_082

July    Avery County    NC

The Roan Highlands