Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hieracium venosum
FAMILY
Asteraceae_
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
With its red-purple (or brown-purple) leaf veins on the basal leaves (in a rosette), near lack of stem leaves, and mostly spring to early summer flowering, Rattlesnake Hawkweed is highly distinct. Read more at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hieracium venosum
FAMILY
Asteraceae_
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Hieracium venosum
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Hieracium venosum var. nudicaule
INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Hieracium venosum var. venosum
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-10-005:
Hieracium venosum FAMILY Asteraceae_
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Hieracium venosum
COMMON NAME:
Rattlesnake Hawkweed, Rattlesnake Weed, Veiny Hawkweed
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_hive_001_lvd
)
JK Marlow jkm0304f_11
April Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
)
JK Marlow jkm060429_241
April Clay County NC
Nantahala National Forest: Tusquitee Ranger District
)
JK Marlow jkm100427_073
April Greenville County SC
Ashmore Heritage Preserve
Basal rosette of leaves with prominent, usually purple, veins, per Wildflowers of the Southern Mountains (Smith, 1998).
)
JK Marlow jkm100427_074
April Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm100427_120
April Greenville County SC
Ashmore Heritage Preserve
Inflorescence a diverse, many-headed, flat-topped corymb, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
JK Marlow jkm150406_066
April Greenville County SC
)
JK Marlow jkm200414_3783
April Greenville County SC
Tall Pines Wildlife Management Area
)
JK Marlow jkm200425_4179
April Greenville County SC
Glassy Mountain Heritage Preserve
Rays golden-yellow, 5-toothed, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
Dandelions and Dandelion-like species
)
JK Marlow jkm200425_4180
April Greenville County SC
Glassy Mountain Heritage Preserve
Peduncles usually stipitate-glandular. Bracts acute, about 1mm wide, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
COMPARE
involucral bracts of DYCs with ray flowers only (no disc)
)
JK Marlow jkm060508_310
May Macon County NC
Nantahala National Forest: Wayah Ranger District
Leaves conspicuously purple-veined, mostly smooth or with hairy margins, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
JK Marlow jkm110522_595b
May Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm110522_595c
May Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm110522_597
May Greenville County SC
Ashmore Heritage Preserve
Nutlets lustrous black, columnar, slightly tapered apically. Pappus yellowish, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_h_venosum_0619
June Burke County NC
Pisgah National Forest
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Hieracium venosum
FAMILY
Asteraceae_
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hieracium venosum
FAMILY
Asteraceae_
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Hieracium venosum
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Hieracium venosum var. nudicaule
INCLUDING
Floristic Synthesis of North America (Kartesz, 1999)
Hieracium venosum var. venosum
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-10-005:
Hieracium venosum
FAMILY
Asteraceae_
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Hieracium venosum
694
Forb
Perennial
Habitat: Dry forests, woodland margins, roadsides, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in Carolina Coastal Plain) (rare in GA Coastal Plain)
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.)
DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)
LEAVES:
Simple
Basal rosette
FLOWER:
Spring/Summer/Fall
Rays: Golden-yellow
Disc: Absent
Inferior ovary
Ray flowers bisexual
FRUIT:
Spring/Summer/Fall
Black
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Newcomb's Wildflower Guide (Newcomb, 1977) p360
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p301
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p135
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p248
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p091
- Wildflowers of Tennessee (Carman, 2005) p309
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p359
- Wildflowers of the Southern Mountains (Smith, 1998) p176
- Wildflowers of the Sandhills Region (Sorrie, 2011) p134
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