Thalictrum clavatum A.P. de Candolle. Section: Physocarpum. Common name: Lady-rue, Mountain Meadowrue. Phenology: May-Jul. Habitat: Seepages, moist forests, spray cliffs at waterfalls, brookbanks. Distribution: A Southern Appalachian endemic: VA, WV, e. KY south through w. NC and e. TN to nw. SC and n. GA; all reported records of this species for AL are apparently T. mirabile (D. Spaulding, pers.comm, 2013).
Origin/Endemic status: Endemic
Synonymy ⓘ: = C, F, FNA3, G, GW2, K4, NS, POWO, RAB, S, S13, Tn, Va, W, WV. Basionym: Thalictrum clavatum DC. 1818 [1817]
Links to other floras: = Thalictrum clavatum - FNA3
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Wetland Indicator Status:
- Eastern Mountains and Piedmont: FACW
Heliophily ⓘ: 3
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© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Jim Fowler | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Gary P. Fleming | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷Feedback
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Horticultural Information
Intro: Erect perennial found in seepages and moist forests, on waterfall spray cliffs and brook banks.
Stems: Stems slender, smooth.
Leaves: Leaves basal and alternate on the stem, twice divided into 3; the ultimate leaflets are oval to round, 1/2-1½ in. wide, lobed at the tip, blue-green above and white beneath.
Inforescence:
Flowers: Flowers in an open, spreading panicle; white; about 1/3 in. wide; pom-pom-shaped, lacking petals but with many flattened, white stamens and 5 diminutive to absent white sepals.
Fruits: Fruit a small, round head of 3-8 sickle-shaped achenes.
Comments:
Height: 6-24 in.
plant sale text:
bloom table text:
description: Erect perennial found in seepages and moist forests, on waterfall spray cliffs and brook banks.
stems: Stems slender, smooth.
leaves: Leaves basal and alternate on the stem, twice divided into 3; the ultimate leaflets are oval to round, 1/2-1½ in. wide, lobed at the tip, blue-green above and white beneath.
inflorescence:
flowers: Flowers in an open, spreading panicle; white; about 1/3 in. wide; pom-pom-shaped, lacking petals but with many flattened, white stamens and 5 diminutive to absent white sepals.
fruits: Fruit a small, round head of 3-8 sickle-shaped achenes.
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cultural notes:
germination code:
native range:
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