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grass-leaf gayfeather, shaggy blazing star

slender blazing star, slender gayfeather

Habit Plants 40–120 cm. Plants 20–100 cm.
Stems

glabrous or sparsely to moderately pilose distally or throughout.

puberulent to piloso- or strigoso-puberulent.

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).

basal and proximal cauline 1-nerved, usually linear to linear-oblanceolate or oblanceolate, sometimes narrowly spatulate, 50–150 × 2–8(–10) mm, gradually or abruptly reduced on distal 1/2–1/3 of stems, essentially glabrous (proximal margins ciliate).

Peduncles

0 or (ascending) 1–10(–80) mm.

0 or (usually straight, stiffly spreading to ascending) 2–10(–12) mm.

Involucres

turbinate to campanulate-cylindric, (7–)8–10 × 5–6 mm.

cylindro-campanulate, (4–)4.5–6(–7) × 3–4(–5) mm.

Florets

(6–)7–12(–13, mostly 9–12 in Del.

3–6(–9);

corolla tubes pilose inside.

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.

in 3(–4) series, (green to purple) ovate to oblong, strongly to weakly unequal, sparsely puberulent, margins with hyaline borders, ciliolate, apices rounded to truncate.

Heads

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

in loose, racemiform arrays.

Cypselae

(2.5–)3–4 mm;

pappi: lengths ± equaling corollas, bristles barbellate.

3–3.5 mm;

pappi: lengths ± equaling corollas, bristles barbellate.

Corms

globose.

globose to subglobose.

And

N.J.);

corolla tubes pilose inside.

2n

= 20.

= 20.

Liatris pilosa

Liatris gracilis

Phenology Flowering (Aug–)Sep–Oct(–Nov). Flowering (Jul–)Aug–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 Longleaf pine, slash pine, palmetto-scrub oak, turkey oak-bluejack oak, sand scrub, sand ridges, uplands, boggy flatwoods, sandy peat, fencerows, roadsides, woodland edges
Elevation (0–)10–500 m ((0–)0–1600 ft) 10–50 m (0–200 ft)
Distribution
from FNA
DE; MD; NC; NJ; PA; SC; VA
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; FL; GA; MS; SC
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants of Liatris gracilis from the panhandle of Florida and the southern tier of Alabama counties tend to have sharply acute phyllaries; intermediates are often encountered.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 529. FNA vol. 21, p. 531.
Parent taxa Asteraceae > tribe Eupatorieae > Liatris Asteraceae > tribe Eupatorieae > Liatris
Sibling taxa
L. acidota, L. aestivalis, L. aspera, L. bracteata, L. chapmanii, L. cokeri, L. compacta, L. cylindracea, L. cymosa, L. elegans, L. elegantula, L. garberi, L. gholsonii, L. glandulosa, L. gracilis, L. helleri, L. hirsuta, L. laevigata, L. lancifolia, L. ligulistylis, L. microcephala, L. ohlingerae, L. oligocephala, L. patens, L. pauciflora, L. provincialis, L. punctata, L. pycnostachya, L. savannensis, L. scariosa, L. spicata, L. squarrosa, L. squarrulosa, L. tenuifolia, L. tenuis, L. virgata
L. acidota, L. aestivalis, L. aspera, L. bracteata, L. chapmanii, L. cokeri, L. compacta, L. cylindracea, L. cymosa, L. elegans, L. elegantula, L. garberi, L. gholsonii, L. glandulosa, L. helleri, L. hirsuta, L. laevigata, L. lancifolia, L. ligulistylis, L. microcephala, L. ohlingerae, L. oligocephala, L. patens, L. pauciflora, L. pilosa, L. provincialis, L. punctata, L. pycnostachya, L. savannensis, L. scariosa, L. spicata, L. squarrosa, L. squarrulosa, L. tenuifolia, L. tenuis, L. virgata
Synonyms Serratula pilosa, Lacinaria graminifolia var. pilosa, L. graminifolia, L. graminifolia var. dubia, L. graminifolia var. lasia, L. pilosa var. laevicaulis Lacinaria gracilis, Lacinaria laxa
Name authority (Aiton) Willdenow: Sp. Pl. 3: 1636. (1803) Pursh: Fl. Amer. Sept. 2: 508. (1813)
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