Liatris elegans
Liatris punctata
elegant gayfeather, pinkscale blazing star, pinkscale gayfeather
dotted blazing star, dotted gayfeather, narrow-leaf blazingstar, plains gayfeather
puberulent to hirsute-puberulent.
glabrous.
(basal on relatively distant internodes usually withering before flowering) proximal cauline 1-nerved, narrowly oblanceolate, 60–200(–300) × 3–8 mm, gradually or abruptly reduced distally (becoming slightly to strongly deflexed), essentially glabrous or sparsely puberulent, gland-dotted.
basal and proximal cauline 1-nerved, linear, 50–140 × 1–7 mm, gradually or little reduced distally, essentially glabrous or sparsely piloso-hirsutulous, gland-dotted (margins sometimes ciliate).
usually 0, sometimes 1–5(–10) mm.
0 or very rarely 1–2 mm.
turbinate-cylindric, 12–20 × 4–6 mm.
campanulate-cylindric, 7–15 × (4–)5–7 mm.
4–5;
corolla tubes glabrous inside.
3–8;
corolla tubes glabrous inside.
in 3–4 series, narrowly lanceolate-triangular, unequal, strigose to strigoso-hispid, margins with hyaline borders, apices (at least inner) prolonged, spreading, ± dilated, petaloid (pink, purplish, white, or yellow).
in 3–6 series, mostly oblong-obovate, unequal, essentially glabrous, margins without hyaline borders, sometimes ciliate, apices acute, acute-acuminate, obtuse, rounded, or rounded-truncate (often with indurate apicula or mucros, lateral veins usually not evident beyond middle or at least on distal 1/3).
in dense, spiciform arrays.
in dense to loose, spiciform arrays.
3.5–5(–6) mm;
pappi: lengths ± equaling corollas, bristles plumose.
(5.5–)6–8.5 mm;
pappi: lengths ± equaling corollas, bristles plumose.
depressed-globose or globose to napiform.
globose to depressed-globose or elongate, sometimes becoming simple or branched rhizomes.
Liatris elegans
Liatris punctata
Varieties 4 (4 in the flora).
Variety elegans extends across the geographic range of the species; the other three varieties form local enclaves essentially imbedded within var. elegans and sporadically intergrading with it at points of contact (see further comments under 10d. var. kralii).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 3 (3 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Phyllary apices petaloid, blue, lavender, magenta, or pink, ± elongate and recurving, petaloid portions short relative to herbaceous bases | → 2 |
1. Phyllary apices petaloid, usually yellowish to creamy white, rarely pale lavender to rose, recurving to slightly flaring or nearly straight, petaloid portions elongate or relatively short relative to bases | → 3 |
2. Corms depressed-globose | var. elegans |
2. Corms elongate, tapering | var. carizzana |
3. Heads usually crowded (peduncles 0); phyllary apices creamy white (rarely pale lavender), sometimes initially lemon yellow fading to creamy white, elongate and recurving, petaloid portions short relative to herbaceous bases | var. bridgesii |
3. Heads well spaced; phyllary apices light yellow or cream (rarely pale lavender), flaring-divergent slightly or not at all, petaloid portions elongate relative to herbaceous bases | var. kralii |
1. Corms globose to depressed-globose; involucres 7–9(–12) mm; phyllaries in (4–)5–6 series; florets (3–)4–5(–6) | var. mucronata |
1. Corms elongate or becoming rhizomes; involucres 10–14 mm; phyllaries in 4(–5) series; florets 4–8 | → 2 |
2. Heads in dense, spiciform arrays (closely spaced, stems usually obscured by heads) | var. punctata |
2. Heads in loose, spiciform arrays (widely spaced, stems evident) | var. mexicana |
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