Liatris squarrosa

(Linnaeus) Michaux

Fl. Bor.-Amer. 2: 92. 1803.

Common names: Loosescale gayfeather colicroot
IllustratedEndemic
Basionym: Serratula squarrosa Linnaeus Sp. Pl. 2: 818. 1753
Synonyms: Lacinaria squarrosa (Linnaeus) Hill
Treatment appears in FNA Volume 21. Treatment on page 517. Mentioned on page 513, 518, 535.

Plants 30–80 cm. Corms globose to slightly elongate. Stems glabrous or puberulent-villous. Leaves: basal and proximal cauline 3–5-nerved, broadly linear to linear-oblanceolate, 70–220 × 2–12 mm (largest usually distal to proximalmost), gradually reduced distally, puberulent-villous or glabrous, weakly glanddotted. Heads borne singly or (3–26) in loose, racemiform to spiciform arrays. Peduncles 0 or (spreading to ascending) 1–8 (–20+) mm. Involucres cylindro-campanulate, 12–20 (–25) × 7–10 mm. Phyllaries (usually erect, sometimes spreading-reflexing on the distal 1/3) in 5–7 series, narrowly ovate-triangular and foliaceous (outer) to ovate or oblong-triangular, ± equal, glabrous or pubescent, margins without hyaline borders, stiffly to softly ciliate, apices acuminate to acute. Florets (10–) 23–45 (–60); corolla-tubes glabrous inside (lobes adaxially hispid). Cypselae 4–5.5 mm; pappi: lengths ± equaling corollas, bristles plumose.

Distribution

V21-1305-distribution-map.gif

Ala., Colo., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mich., Mo., N.C., Nebr., Ohio, Okla., S.C., Tenn., Tex., Va., W.Va.

Discussion

Varieties 2 (2 in the flora).

See discussion under 1. Liatris compacta.

Selected References

None.

Key

1 Stems glabrous; leaves glabrous; phyllariesglabrous Liatris squarrosa var. glabrata
1 Stems usually puberulent-strigose (hairs soft, upturned or appressed); leaves sparsely pilose to glabrescent; phyllaries usually ciliate, faces glabrousor pubescent Liatris squarrosa var. squarrosa

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

... more about "Liatris squarrosa"
not tailed +, truncate +, rounded +  and obtuse +
acuminate;acute +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
racemiform +  and spiciform +
indeterminate +  and determinate +
Guy L. Nesom +
(Linnaeus) Michaux +
decurrent +
not enlarged +
Serratula squarrosa +
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 +
Loosescale gayfeather +  and colicroot +
white +, usually lavender +  and dark magenta or pinkish purple +
usually hirsutulous +  and hirtellous-pilose +
prismatic +
fertile +  and bisexual +
Ala. +, Colo. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mich. +, Mo. +, N.C. +, Nebr. +, Ohio +, Okla. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
each +  and sessile +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
cylindro-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
7 cm70 mm <br />0.07 m <br /> (22 cm220 mm <br />0.22 m <br />) +
cauline +, proximal +  and basal +
glabrous +  and puberulent-villous +
broadly linear;linear-oblanceolate +
reduced +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
lanceolate +  and lance-linear +
pubescent +  and glabrous +
oblong-triangular +  and ovate +
2-carpellate +
persistent +
1-8(-20+) mm +
18 +  and 40 +
Fl. Bor.-Amer. +
bearing subulate enations +, hairy +  and bristly +
conic;spheric;usually flat;convex +
exalbuminous +
Illustrated +  and Endemic +
branched +  and simple +
puberulent-villous +  and glabrous +
appendaged +  and truncate +
hirsutulous +
papillate +
Lacinaria squarrosa +
Liatris squarrosa +
species +
20 cm200 mm <br />0.2 m <br /> (180 cm1,800 mm <br />1.8 m <br />) +