Liatris cokeri |
Liatris cymosa |
|
---|---|---|
Coker's gayfeather, sandhill's blazing star, Sandhills gayfeather |
Aggie-land gayfeather, branch blazing star, branch gayfeather |
|
Habit | Plants 25–85 cm. | Plants 20–75 cm. |
Stems | glabrous. |
strigoso-puberulent. |
Leaves | basal and proximal cauline 1-nerved, lance-linear to linear, 50–150 × 2–5 mm, gradually or abruptly reduced distally, essentially glabrous (proximal margins sparsely ciliate). |
basal and proximal cauline 1-nerved, linear to narrowly oblanceolate, 80–120 × 2–5 mm, gradually reduced distally or abruptly reduced on distal 1/2 of stems, essentially glabrous (margins proximally piloso-ciliate). |
Peduncles | 0 or (ascending) 1–6(–10) mm. |
20–70 mm (bracteate). |
Involucres | cylindro-turbinate, (7–)8–9 × 3.5–4 mm. |
cylindro-campanulate, 14–17 × 8–11 mm. |
Florets | 4–7(–9); corolla tubes pilose inside. |
20–25; corolla tubes glabrous inside. |
Phyllaries | in 3–4 series, ovate-oblong, oblong, or oblong-lanceolate (inner 7.5–10 × 1–1.8 mm), strongly unequal, essentially glabrous, margins with hyaline borders (lacking at apices), ciliolate, apices (inner and middle, sometimes outer) rounded to blunt, involute-cuspidate to short-acuminate. |
in 5–7 series, broadly oblong-obovate (outer) to broadly oblong, strongly unequal, sparsely short-pilose, margins without hyaline borders, ciliolate, apices rounded, sometimes mucronate. |
Heads | in dense, racemiform to spiciform arrays (sometimes strongly to weakly secund, especially if branches reclining, internodes 1–5 mm). |
(2–20+) in open, cymiform arrays. |
Cypselae | 3–4(–5) mm; pappi: lengths ± equaling corollas, bristles barbellate. |
6–7 mm; pappi: lengths ± equaling corollas, bristles plumose. |
Corms | globose. |
globose to elongate-globose. |
Liatris cokeri |
Liatris cymosa |
|
Phenology | Flowering (Aug–)Sep–Oct. | Flowering (Jul–)Aug–Oct. |
Habitat | Sand ridges, sandy fields and roadsides, turkey-oak, longleaf pine-oak | Post oak woodlands, fields, fencerows, openings, edges, clay soils |
Elevation | 50–150 m (200–500 ft) | 50–100 m (200–300 ft) |
Distribution |
NC; SC |
TX |
Discussion | Pyne and Stucky noted that variants of Liatris cokeri (apparently intermediate toward L. virgata) occur on the coastal plain of North Carolina and South Carolina. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 21, p. 528. | FNA vol. 21, p. 520. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Lacinaria cymosa | |
Name authority | Pyne & Stucky: Sida 14: 205. (1990) | (Ness) K. Schumann: Just’s Bot. Jahresber. 27(1): 528. (1901) |
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