Liatris elegantula |
Liatris tenuis |
|
---|---|---|
Greene's elegant gayfeather, shaggy blazing star |
gulf blazing star, Shinners' gayfeather |
|
Habit | Plants 60–105 cm. | Plants 30–55 cm. |
Stems | glabrous. |
strigoso-puberulent. |
Leaves | basal and proximal cauline 1-nerved, linear-oblanceolate to narrowly oblanceolate, 80–210 × 2–5(–10) mm, gradually or abruptly reduced distally, essentially glabrous (sparsely piloso-ciliate along proximal margins), gland-dotted. |
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 (ascending) 2(–7) mm. |
0 or 1–5 mm. |
Involucres | turbinate, 6–8 × 5–7 mm. |
cylindro-campanulate, 10–13 × 5–6(–7) mm. |
Florets | (7–)8–11(–13); corolla tubes pilose inside. |
10–12; corolla tubes glabrous inside. |
Phyllaries | in 3–4(–5) series, mostly oblong, unequal, essentially glabrous, margins with hyaline borders (0.2–0.4 mm wide), sometimes sparsely ciliolate, apices rounded. |
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, racemiform arrays (internodes 2–14 mm). |
in loose, spiciform arrays (internodes 1–15 mm). |
Cypselae | 2.8–3.5(–3.8) mm; pappi: lengths ± equaling corollas, bristles barbellate. |
4.2–4.5 mm; pappi: lengths equaling corollas, bristles barbellate or proximally plumose. |
Corms | mostly globose. |
globose to subglobose. |
2n | = 20. |
|
Liatris elegantula |
Liatris tenuis |
|
Phenology | Flowering Aug–Oct(–Nov). | Flowering (Jun–)Jul–Sep. |
Habitat | Longleaf pine-scrub oak, pine, live oak-pine, deciduous oak-pine, deciduous flatwoods, sandhills, savanna edges, edges of cypress depressions, depression meadows, live oak-pine-palmetto hammocks, sandy clay or loam, rarely clay | Longleaf pine savannas, pine-hardwood edges, slopes, flats, uplands, near drainages, sands, sandy clays, fencerows, roadsides |
Elevation | 0–300(–500) m (0–1000(–1600) ft) | 50–100 m (200–300 ft) |
Distribution |
AL; FL; GA; MS
|
LA; TX |
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. 530. | FNA vol. 21, p. 523. |
Parent taxa | Asteraceae > tribe Eupatorieae > Liatris | Asteraceae > tribe Eupatorieae > Liatris |
Sibling taxa | ||
Synonyms | Lacinaria elegantula, L. graminifolia var. elegantula | |
Name authority | (Greene) K. Schumann: Just’s Bot. Jahresber. 29(1): 569. (1903) | Shinners: SouthW. Naturalist 4: 208. (1959) |
Web links |