Liatris tenuifolia |
Liatris elegantula |
|
---|---|---|
pine-needle gayfeather, shortleaf blazing star, shortleaf gayfeather |
Greene's elegant gayfeather, shaggy blazing star |
|
Habit | Plants 40–150 cm. | Plants 60–105 cm. |
Stems | glabrous or sparsely pilose. |
glabrous. |
Leaves | basal and proximal cauline (arising from separated nodes) 1-nerved, linear to linear-lanceolate, 100–300 × 1–2(–2.5) mm, gradually or abruptly reduced distally, essentially glabrous, gland-dotted (proximal margins sometimes ciliate). |
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. |
Peduncles | (ascending) 1–7 mm. |
0 or (ascending) 2(–7) mm. |
Involucres | turbinate-campanulate, 5–7 × 4–5 mm. |
turbinate, 6–8 × 5–7 mm. |
Florets | 4–6; corolla tubes glabrous inside. |
(7–)8–11(–13); corolla tubes pilose inside. |
Phyllaries | in 2–3(–4) series, lanceolate to oblong or elliptic-oblong, unequal, essentially glabrous, margins with (pinkish purple) hyaline borders, apices usually rounded-retuse and minutely involute-cuspidate to apiculate. |
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. |
Heads | in compact, racemiform arrays. |
in loose, racemiform arrays (internodes 2–14 mm). |
Cypselae | 2.5–4 mm; pappi: lengths ± equaling corollas, bristles barbellate. |
2.8–3.5(–3.8) mm; pappi: lengths ± equaling corollas, bristles barbellate. |
Corms | globose. |
mostly globose. |
2n | = 20. |
|
Liatris tenuifolia |
Liatris elegantula |
|
Phenology | Flowering Aug–Nov. | Flowering Aug–Oct(–Nov). |
Habitat | Longleaf pine savannas, longleaf pine-scrub oak, turkey oak-bluejack oak, slash pine-sand pine-scrub, sand pine-scrub, sand ridges, hills, and flats, roadsides | 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 |
Elevation | 10–100 m (0–300 ft) | 0–300(–500) m (0–1000(–1600) ft) |
Distribution |
AL; FL; GA; SC
|
AL; FL; GA; MS
|
Source | FNA vol. 21, p. 526. | FNA vol. 21, p. 530. |
Parent taxa | Asteraceae > tribe Eupatorieae > Liatris | Asteraceae > tribe Eupatorieae > Liatris |
Sibling taxa | ||
Synonyms | Lacinaria tenuifolia | Lacinaria elegantula, L. graminifolia var. elegantula |
Name authority | Nuttall: Gen. N. Amer. Pl. 2: 131. (1818) | (Greene) K. Schumann: Just’s Bot. Jahresber. 29(1): 569. (1903) |
Web links |