Liatris cylindracea

Michaux

Fl. Bor.-Amer. 2: 93. 1803.

Common names: Barrelhead gayfeather
IllustratedEndemic
Synonyms: Lacinaria cylindracea (Michaux) Kuntze Liatris intermedia Lindley Liatris squarrosa var. intermedia (Lindley) de Candolle
Treatment appears in FNA Volume 21. Treatment on page 518. Mentioned on page 514, 517, 519, 535.

Plants 20–60 cm. Corms usually globose, rarely elongate. Stems glabrous. Leaves: basal and proximal cauline 3(–5)-nerved, linear-oblanceolate to linear-lanceolate, 80–250 × 2–6 mm (largest usually distal to proximalmost), gradually reduced distally, essentially glabrous (proximal margins pilose-ciliate). Heads borne singly or (2–28) in loose to dense, racemiform to spiciform arrays. Peduncles 0 or (spreading-ascending) 2–10(–20) mm. Involucres cylindro-campanulate, (11–)13–18 × 6–8 mm. Phyllaries in 5–7 series, ovate-triangular (outer) to broadly oblong or spatulate-oblong, strongly unequal, essentially glabrous, margins usually with narrow hyaline borders, ciliolate, apices broadly rounded, rounded-acuminate, or truncate (inner stiffly mucronate). Florets 10–35; corolla tubes glabrous inside (lobes adaxially hispid). Cypselae 5–7 mm; pappi: lengths ± equaling corollas, bristles plumose.


Phenology: Flowering Jul–Sep.
Habitat: Prairies, limestone outcrops, bluffs, barrens, and glades, marl, sandstone outcrops, dunes, roadsides, sandy pine-oak, wooded northern slopes
Elevation: 100–400 m

Distribution

V21-1309-distribution-map.gif

Ont., Ala., Ark., Ga., Ill., Ind., Iowa, Kans., Ky., Mich., Minn., Mo., N.Y., Ohio, Okla., Tenn., Wis.

Discussion

Stems and leaves of Liatris cylindracea sometimes are hairy (Kentucky, Missouri), perhaps reflecting genetic influence from L. hirsuta. See also discussion under 1. L. compacta.

Selected References

None.

Lower Taxa

None.
... more about "Liatris cylindracea"
Guy L. Nesom +
Michaux +
Barrelhead gayfeather +
Ont. +, Ala. +, Ark. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Mich. +, Minn. +, Mo. +, N.Y. +, Ohio +, Okla. +, Tenn. +  and Wis. +
100–400 m +
Prairies, limestone outcrops, bluffs, barrens, and glades, marl, sandstone outcrops, dunes, roadsides, sandy pine-oak, wooded northern slopes +
Flowering Jul–Sep. +
Fl. Bor.-Amer. +
Illustrated +  and Endemic +
Lacinaria cylindracea +, Liatris intermedia +  and Liatris squarrosa var. intermedia +
Liatris cylindracea +
species +