Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Nabalus autumnalis
FAMILY
Asteraceae_
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Unlike all but N. roanensis, this species features a long spike-like inflorescence. Read more at Vascular Plants of North Carolina.
Check out Jim Fowler's blog describing an October trip to NC's Green Swamp with Carolina Grass-of-Parnassus, Slender Rattlesnake-root, Long-lipped Ladies’-tresses orchid, and Pine Barren Gentian in glorious bloom.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Prenanthes autumnalis
FAMILY
Asteraceae_
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Nabalus autumnalis
SYNONYMOUS WITH Flora of North America
Prenanthes autumnalis
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-06-001:
Prenanthes autumnalis FAMILY Asteraceae_
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Nabalus virgatus
COMMON NAME:
Slender Rattlesnake-root, One-sided Rattlesnake-root
To see larger pictures, click or hover over the thumbnails.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_navi3_001_lvd
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Rob Hunnings rlh_grswamp_20131025d
October Brunswick County NC
Green Swamp
The inflorescence may occupy half or more of the plant's height of 2-4', per Vascular Plants of North Carolina.
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Rob Hunnings rlh_nik5_11418
October Brunswick County NC
Green Swamp
Its narrow spikelike panicle distinguishes it from other Prenanthes, per Guide to the Wildflowers of SC (Porcher & Rayner, 2001).
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Rob Hunnings rlh_nik5_11418b
October Brunswick County NC
Green Swamp
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Rob Hunnings rlh_nik5_11418c
October Brunswick County NC
Green Swamp
)
Will Stuart wil_n_autumnalis_1430
October Richmond County NC
North Carolina Sandhills Gamelands
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Will Stuart wil_n_autumnalis_1432
October Richmond County NC
North Carolina Sandhills Gamelands
Dandelion-like leaves slightly clasp the tall, glabrous stem. — Will Stuart
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Will Stuart wil_n_autumnalis_1448
October Richmond County NC
North Carolina Sandhills Gamelands
Inflorescences narrow and elongate (virgate); flowers pink to purple, per Weakley's Flora (2020).
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Will Stuart wil_n_autumnalis_1490b
October Richmond County NC
North Carolina Sandhills Gamelands
Calyculi green to purple, triangular to subulate; phyllaries pink or purple, glabrous, per Flora of North America.
COMPARE
involucral bracts of Rattlesnake-root
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Will Stuart wil_n_autumnalis_1494
October Richmond County NC
North Carolina Sandhills Gamelands
Flowers nodding with spreading rays and long slender stamens. — Will Stuart
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Nabalus autumnalis
FAMILY
Asteraceae_
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Prenanthes autumnalis
FAMILY
Asteraceae_
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Nabalus autumnalis
SYNONYMOUS WITH
Flora of North America
Prenanthes autumnalis
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-06-001:
Prenanthes autumnalis
FAMILY
Asteraceae_
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Nabalus virgatus
3058
Forb
Perennial
Habitat: pocosins, pine savannas, forest edges, per Weakley's Flora
Native to the Carolinas & Georgia
Common in Carolina Coastal Plain (rare elsewhere in GA-NC-SC)
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
Alternate, reduced upward
FLOWER:
Summer/Fall
Rays: Pinkish,
sometimes lavender or white
Disc: Absent
Ray flowers bisexual
Inferior ovary
FRUIT:
Summer/Fall
Reddish-brown
Achene
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC (Porcher & Rayner, 2001) p271
- Wildflowers of the Sandhills Region (Sorrie, 2011) p075