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Gulf Coast gayfeather, Gulf Coast or sharp gayfeather, sharp blazing star, sharp gayfeather

Habit Plants 20–90(–130) cm.
Stems

glabrous.

Leaves

basal and proximal cauline 3–5-nerved, linear to linear-oblanceolate, 100–400 × 1–3(–5) mm, gradually reduced distally or abruptly on distal 1/2 of stems, essentially glabrous (bases of basal usually fibrous-persistent).

Peduncles

0.

Involucres

cylindro-turbinate, 6–7(–10) × ca. 3 mm.

Florets

(2–)3–4(–5);

corolla tubes glabrous inside.

Phyllaries

in 3–4 series, (often purple) oblong-oblanceolate to oblong-lanceolate, unequal, essentially glabrous, margins with hyaline borders, ciliolate, apices (erect or ± appressed) acuminate to acute.

Heads

in dense, spiciform arrays.

Cypselae

4–4.5 mm;

pappi: lengths ± equaling corollas, bristles barbellate to subplumose.

Corms

usually globose to subglobose, sometimes ovoid to elongate.

2n

= 20.

Liatris acidota

Phenology Flowering (Jun–)Jul–Oct(–Nov).
Habitat Coastal prairies, prairie remnants, wet pine flats, savannas, oak-pine, ditches, roadsides, railroads, sand, sandy and silty loams, clays
Elevation 0–30 m (0–100 ft)
Distribution
from FNA
LA; TX
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 525.
Parent taxa Asteraceae > tribe Eupatorieae > Liatris
Sibling taxa
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. pilosa, L. provincialis, L. punctata, L. pycnostachya, L. savannensis, L. scariosa, L. spicata, L. squarrosa, L. squarrulosa, L. tenuifolia, L. tenuis, L. virgata
Synonyms Lacinaria acidota, L. acidota var. vernalis
Name authority Engelmann & A. Gray: Boston J. Nat. Hist. 5: 218. (1845)
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