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NC Native Plant Society:
Plant Details

Hieracium venosum

Rattlesnake Hawkweed, Veiny Hawkweed, Rattlesnake-weed

Scientific Name:

Hieracium venosum

Genus:

Hieracium

Species Epithet:

venosum

Common Name:

Rattlesnake Hawkweed, Veiny Hawkweed, Rattlesnake-weed

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Asteraceae (Aster Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

0-1 ft., 1-3 ft.

Bloom Color(s):

Yellow

Light:

Part Shade - 2 to 6 hours of sun per day, Less than 2 hours of sun per day

Soil Moisture:

Dry

Bloom Time:

April, May, June, July, August, September

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Dry forests, woodland margins, roadsides. Common and widespread in the Piedmont and the mountains. Common in the northern Coastal Plain, but infrequent in the Sandhills, and very rare to absent over most of the central and southern Coastal Plain.

Leaf Arrangement:

Basal

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Has some wildlife value

Landscape Value:

Suitable for home landscapes

State Rank:

S5: Secure (*Key)

Global Rank:

G5 - Secure (*Key)

Distinctive basal leaves with purple leaf veins

Macon County, NC

The Scientific Name is Hieracium venosum. You will likely hear them called Rattlesnake Hawkweed, Veiny Hawkweed, Rattlesnake-weed. This picture shows the Distinctive basal leaves with purple leaf veins of Hieracium venosum

Bettina Darveaux

Rosette with flower scape

Macon County, NC

The Scientific Name is Hieracium venosum. You will likely hear them called Rattlesnake Hawkweed, Veiny Hawkweed, Rattlesnake-weed. This picture shows the Rosette with flower scape of Hieracium venosum

Bettina Darveaux

Composite flower head consisting of only ray flowers

Macon County, NC

The Scientific Name is Hieracium venosum. You will likely hear them called Rattlesnake Hawkweed, Veiny Hawkweed, Rattlesnake-weed. This picture shows the Composite flower head consisting of only ray flowers of Hieracium venosum

Bettina Darveaux

Links:

USDA PLANTS Database Record



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