Nabalus roanensis Chickering. Common name: Roan Rattlesnake-root. Phenology: Aug-Oct. Habitat: Mountain forests, grassy balds, at high elevations. Distribution: W. NC and e. TN.
Origin/Endemic status: Endemic
Taxonomy Comments: Fusiak & Schilling (1984) studied Prenanthes roanensis and related species.
Synonymy ⓘ: = S; = n/a — F; < Nabalus roanensis Chick. — K4, POWO, Tn, Va; < Prenanthes cylindrica (Small) E.L.Braun — G; < Prenanthes roanensis (Chick.) Chick. — C, FNA19, RAB, SE1, W, Fusiak & Schilling (1984), Johnson (1980). Basionym: Nabalus roanensis Chick. 1880
Links to other floras: < Prenanthes roanensis - FNA19
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Heliophily ⓘ: 8
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© Layla Dishman | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Alan Weakley source | Original Image ⭷
© Alan Weakley source | Original Image ⭷
© Alan Weakley source | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect perennial of high elevation forests and grassy balds.
Stems: Stems simple, green or purple, smooth below and with spreading hairs above.
Leaves: Leaves alternate, petiolate, evenly distributed along stem; lower and middle leaves triangular to arrowhead-shaped and 3-lobed (lobes angular) or unlobed, 1-5 in. long, some tinged with purple, hairy or smooth.
Inforescence:
Flowers: Composite flowers (heads) drooping from short stalks on upper branches; cylindric heads about 1/2 in. long, consisting of 5-13 greenish-yellow ray florets surrounded by 5 bristly-hairy, green bracts with dark tips.
Fruits: Fruit a tufted achene.
Comments:
Height: 1/2-3 ft.
plant sale text:
bloom table text:
description: Erect perennial of high elevation forests and grassy balds.
stems: Stems simple, green or purple, smooth below and with spreading hairs above.
leaves: Leaves alternate, petiolate, evenly distributed along stem; lower and middle leaves triangular to arrowhead-shaped and 3-lobed (lobes angular) or unlobed, 1-5 in. long, some tinged with purple, hairy or smooth.
inflorescence:
flowers: Composite flowers (heads) drooping from short stalks on upper branches; cylindric heads about 1/2 in. long, consisting of 5-13 greenish-yellow ray florets surrounded by 5 bristly-hairy, green bracts with dark tips.
fruits: Fruit a tufted achene.
comments:
cultural notes:
germination code:
native range:
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