IUCN threat status:

Not evaluated

Comprehensive Description

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General Description

From Nesom, Guy L. in Flora of North America, Vol 21 Liatris p529 “Liatris Pilosa” Oxford University Press, Inc.; New York, NY, 2006

"Liatris pilosa (Aiton) Willdenow, Sp. Pl. 3: 1636.1803 · Grass-leaf gayfeather Serratula pilosa Aiton, Hort. Kew. 3: 138. 1789; Lacinaria graminifolia (Willdenow) Kuntze var. pilosa (Aiton) Britton; Liatris graminifolia Willdenow; L. graminifolia var. dubia (W. P. C. Barton) A. Gray;

L. graminifolia var. lasia Fernald & Griscom; L. pilosa (Aiton) Willdenow var. laevicaulis de Candolle

Plants 40–120 cm. Corms globose. Stems glabrous or sparsely to moderately pilose distally or throughout.

Leaves: basal and proximal cauline 1-nerved, narrowly oblanceolate, 60–170(–200) × 2–7(–11) mm, abruptly to gradually reduced distally (becoming linear, spreadingascending), essentially glabrous or sparsely pilose (abaxially), gland-dotted (proximal margins pilosociliate).

Heads in loose to dense, racemiform to spiciform arrays (internodes 1–7 mm).

Peduncles 0 or (ascending) 1–10(–80) mm.

Involucres turbinate to campanulatecylindric, (7–)8–10 × 5–6 mm.

Phyllaries in (3–)4–5 (–6) series, oblong, unequal, essentially glabrous, margins with hyaline borders (0.2–0.4 mm wide), erose to lacerate, ciliolate, apices usually rounded, rarely acute.

Florets (6–)7–12(–13, mostly 9–12 in Del. and N.J.); corolla tubes pilose inside. Cypselae (2.5)3–4 mm;

pappi: lengths ± equaling corollas, bristles barbellate.2n = 20.Flowering (Aug–)Sep–Oct(–Nov). Old fields, pine barrens, scrub oak-pine sandhills, openings in pine, oak, and oak-hickory woods, tidal marsh edges, sandy fields,dune hollows, wet sand near beaches, edges of tidal

Marshes, sand to sandy clay-loam; (0–)10–500 m; Del., Md., N.J., N.C., Pa., S.C., Va."


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Nesom, Guy

Source: Compositae

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