Copy permalink to share

Nabalus altissimus (Linnaeus) Hooker. Common name: Tall Rattlesnake-root. Phenology: Aug-Nov. Habitat: Forests. Distribution: NL (Newfoundland) west to MI, south to GA, LA, and AR.

Origin/Endemic status: Native

Taxonomy Comments: The variation of pappus color responsible for the sometime recognition of two varieties (see synonymy) needs additional study.

Synonymy : = NE, NY, POWO, S, Tn, Va; = Prenanthes altissima L. — Ar, FNA19, G, Mi, Oh3, Pa, RAB, Tat, W, WV, Fusiak & Schilling (1984), Johnson (1980); > Nabalus altissimus (L.) Hook. var. altissimus — Il; > Nabalus altissimus (L.) Hook. var. cinnamomea (Fernald) Mohlenbr. — Il; > Prenanthes altissima L. var. altissima — C, F, SE1; > Prenanthes altissima L. var. cinnamomea Fernald — C, F, SE1; > Prenanthes altissima L. var. hispidula Fernald

Links to other floras: = Prenanthes altissima - FNA19

Show in key(s)

Show parent genus

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: UPL
  • Eastern Mountains and Piedmont: FACU
  • Great Plains: UPL
  • Midwest: FACU
  • Northcentral & Northeast: FACU

Heliophily : 4

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Erik Danielson source | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Glen Peterson | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Glen Peterson | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷

Feedback

See something wrong or missing on about Nabalus altissimus? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.


Horticultural Information

NCBG trait
 X
Intro
 X
Stems
 X
Leaves
 X
Inforescence
 X
Flowers
 X
Fruits
 X
Comments
 X
Height
 X
plant sale text
 X
bloom table text
 X
description
 X
stems
 X
leaves
 X
inflorescence
 X
flowers
 X
fruits
 X
comments
 X
cultural notes
 X
germination code
 X
native range
Erect perennial of moist to dry upland forests, well-drained alluvial forests and clearings.
Stems branched above, often zigzagged above, mostly smooth (sometimes hairy at base), leaking milky sap when broken.
Leaves alternate, petiolate, triangular to lance-shaped, 1½--6 in. long, varying from a few teeth to deeply 3- to 5-lobed (lobes angular); also with milky sap.
Composite flowers (heads) drooping from short stalks of a terminal panicle; cylindric heads about 1/2 in. long, consisting of 5 spreading to recurved, pale yellow or greenish-white ray florets surrounded by 5 smooth, pale green bracts.
Fruit a tufted achene.
1 1/2-6 ft.
Erect perennial of moist to dry upland forests, well-drained alluvial forests and clearings.
Stems branched above, often zigzagged above, mostly smooth (sometimes hairy at base), leaking milky sap when broken.
Leaves alternate, petiolate, triangular to lance-shaped, 1½--6 in. long, varying from a few teeth to deeply 3- to 5-lobed (lobes angular); also with milky sap.
Composite flowers (heads) drooping from short stalks of a terminal panicle; cylindric heads about 1/2 in. long, consisting of 5 spreading to recurved, pale yellow or greenish-white ray florets surrounded by 5 smooth, pale green bracts.
Fruit a tufted achene.


0 unsaved edits on this page.