Liatris punctata

Hooker

Fl. Bor.-Amer. 1: 306, plate 105. 1833.

Common names: Plains or dotted gayfeather
Synonyms: Lacinaria punctata (Hooker) Kuntze
Treatment appears in FNA Volume 21. Treatment on page 519. Mentioned on page 514, 520, 535.

Plants 15–85 cm. Corms globose to depressed-globose or elongate, sometimes becoming simple or branched rhizomes. Stems glabrous. Leaves: basal and proximal cauline 1-nerved, linear, 50–140 × 1–7 mm, gradually or little reduced distally, essentially glabrous or sparsely piloso-hirsutulous, glanddotted (margins sometimes ciliate). Heads in dense to loose, spiciform arrays. Involucres campanulate-cylindric, 7–15 × (4–) 5–7 mm. Peduncles 0 or very rarely 1–2 mm. Phyllaries 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). Florets 3–8; corolla-tubes glabrous inside. Cypselae (5.5–) 6–8.5 mm; pappi: lengths ± equaling corollas, bristles plumose.

Distribution

V21-1310-distribution-map.gif

Alta., Man., Sask., Ark., Colo., Ill., Iowa, Kans., La., Mich., Minn., Mo., Mont., N.Dak., N.Mex., Nebr., Ohio, Okla., S.Dak., Tex., Wis., Wyo., n Mexico

Discussion

Varieties 3 (3 in the flora).

Selected References

None.

Key

1 Corms globose to depressed-globose; involucres 7–9(–12) mm; phyllaries in (4–)5–6 series; florets (3–)4–5(–6) Liatris punctata 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) Liatris punctata var. punctata
2 Heads in loose, spiciform arrays (widely spaced, stems evident) Liatris punctata var. mexicana

"plumose" is not a number."fine" is not a number.

... more about "Liatris punctata"
not tailed +, truncate +, rounded +  and obtuse +
rounded-truncate;rounded;rounded-truncate;rounded;obtuse;acute-acuminate;acute +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
spiciform +, racemiform +, cymiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
Hooker +
decurrent +
not enlarged +
5-nerved +, 3-nerved +  and 1-nerved +
dissected +, lobed +, toothed +  and entire +
mostly linear;ovatelanceolate +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
linear-clavate +
Plains or dotted gayfeather +
branched +  and simple +
white +, usually lavender +  and dark magenta or pinkish purple +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
usually hirsutulous +  and hirtellous-pilose +
prismatic +
fertile +  and bisexual +
Alta. +, Man. +, Sask. +, Ark. +, Colo. +, Ill. +, Iowa +, Kans. +, La. +, Mich. +, Minn. +, Mo. +, Mont. +, N.Dak. +, N.Mex. +, Nebr. +, Ohio +, Okla. +, S.Dak. +, Tex. +, Wis. +, Wyo. +  and n Mexico +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
campanulate-cylindric +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
5 cm50 mm <br />0.05 m <br /> (14 cm140 mm <br />0.14 m <br />) +
cauline +, proximal +  and basal +
piloso-hirsutulous +  and glabrous +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
lanceolate +  and lance-linear +
2-carpellate +
persistent +
very rarely +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
18 +  and 40 +
Fl. Bor.-Amer. +
bearing subulate enations +, hairy +  and bristly +
conic;spheric;usually flat;convex +
exalbuminous +
branched +  and simple +
appendaged +  and truncate +
hirsutulous +
papillate +
Lacinaria punctata +
Liatris punctata +
species +
20 cm200 mm <br />0.2 m <br /> (180 cm1,800 mm <br />1.8 m <br />) +