Difference between revisions of "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.
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Revision as of 22:45, 13 August 2020

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 gland-dotted. 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
... more about "Liatris squarrosa"
Guy L. Nesom +
(Linnaeus) Michaux +
Serratula squarrosa +
Loosescale gayfeather +  and colicroot +
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. +
Fl. Bor.-Amer. +
Illustrated +  and Endemic +
Lacinaria squarrosa +
Liatris squarrosa +
species +