Flora of North America species comparison

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Liatris tenuis

gulf blazing star, Shinners' gayfeather
Habit Plants 30–55 cm.
Stems

strigoso-puberulent.
Leaves

basal and proximal cauline 1(–3)-nerved, linear-lanceolate to linear-oblanceolate, 120–250 × 2–3(–5) mm, abruptly reduced on distal 1/2–2/3 of stems, sparsely pilose (abaxial faces), gland-dotted.
Peduncles

0 or 1–5 mm.
Involucres

cylindro-campanulate, 10–13 × 5–6(–7) mm.
Florets

10–12;

corolla tubes glabrous inside.
Phyllaries

in 3–4(–5) series, outermost narrowly triangular, unequal, sparsely fine-pilose to glabrate, margins without hyaline borders, ciliate, apices (loosely divergent) acute to acuminate (innermost sometimes obtuse and short-acuminate).
Heads

in loose, spiciform arrays (internodes 1–15 mm).
Cypselae

4.2–4.5 mm;

pappi: lengths equaling corollas, bristles barbellate or proximally plumose.
Corms

globose to subglobose.

Liatris tenuis
Phenology Flowering (Jun–)Jul–Sep.
Habitat Longleaf pine savannas, pine-hardwood edges, slopes, flats, uplands, near drainages, sands, sandy clays, fencerows, roadsides
Elevation 50–100 m (200–300 ft)
Distribution
from FNA
LA; TX
[BONAP county map]
Discussion

Liatris tenuis is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 523.
Parent taxa 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. pilosa, L. provincialis, L. punctata, L. pycnostachya, L. savannensis, L. scariosa, L. spicata, L. squarrosa, L. squarrulosa, L. tenuifolia, L. virgata
Name authority Shinners: SouthW. Naturalist 4: 208. (1959)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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