Liatris pilosa

(Aiton) Willdenow

Sp. Pl. 3: 1636. 1803.

Common names: Grass-leaf gayfeather
Endemic
Basionym: Serratula pilosa Aiton Hort. Kew. 3: 138. 1789
Synonyms: Lacinaria graminifolia var. pilosa (Aiton) Britton Liatris graminifolia Willdenow Liatris graminifolia var. dubia (W. P. C. Barton) A. Gray Liatris graminifolia var. lasia Fernald & Griscom Liatris pilosa var. laevicaulis de Candolle
Treatment appears in FNA Volume 21. Treatment on page 529. Mentioned on page 516.

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, spreading-ascending), essentially glabrous or sparsely pilose (abaxially), gland-dotted (proximal margins piloso-ciliate). Heads in loose to dense, racemiform to spiciform arrays (internodes 1–7 mm). Peduncles 0 or (ascending) 1–10(–80) mm. Involucres turbinate to campanulate-cylindric, (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.


Phenology: Flowering (Aug–)Sep–Oct(–Nov).
Habitat: 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
Elevation: (0–)10–500 m

Distribution

V21-1344-distribution-map.gif

Del., Md., N.J., N.C., Pa., S.C., Va.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Liatris pilosa"
Guy L. Nesom +
(Aiton) Willdenow +
Serratula pilosa +
Grass-leaf gayfeather +
Del. +, Md. +, N.J. +, N.C. +, Pa. +, S.C. +  and Va. +
(0–)10–500 m +
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 +
Flowering (Aug–)Sep–Oct(–Nov). +
Lacinaria graminifolia var. pilosa +, Liatris graminifolia +, Liatris graminifolia var. dubia +, Liatris graminifolia var. lasia +  and Liatris pilosa var. laevicaulis +
Liatris pilosa +
species +