Liatris pycnostachya var. pycnostachya

Endemic
Synonyms: Liatris bebbiana Rydberg Liatris langloisii (Greene) Cory
Treatment appears in FNA Volume 21. Treatment on page 525.

Corms globose. Stems usually glabrous or sparsely pilose except near heads (where sparsely piloso-puberulent). Leaves glabrous. 2n = 20, 40.


Phenology: Flowering mid Jun–Aug.
Habitat: Moist prairies, wooded and rocky ridges, sandy woods, creek bottoms, dunes
Elevation: 30–300(–900) m

Distribution

V21-1330-distribution-map.gif

Ark., Ill., Ind., Iowa, Kans., Ky., La., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Y., N.Dak., Ohio, Okla., Pa., S.Dak., Tex., Wis.

Discussion

Liatris pycnostachya is commonly cultivated. Collections from Michigan “doubtless represent escapes” (E. G. Voss, pers. comm.), as also do those from Massachusetts, New Jersey, and New York.

Selected References

None.

Lower Taxa

None.

"barbellate" is not a number."fine" is not a number.

not tailed +, truncate +, rounded +  and obtuse +
usually acute;acute-acuminate +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
indeterminate +  and determinate +
Guy L. Nesom +
Michaux +
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 +
white +, usually lavender +  and dark magenta or pinkish purple +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
usually hirsutulous +  and hirtellous-pilose +
prismatic +
fertile +  and bisexual +
Ark. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Pa. +, S.Dak. +, Tex. +  and Wis. +
30–300(–900) m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist prairies, wooded and rocky ridges, sandy woods, creek bottoms, dunes +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 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 /> (0.9 cm9 mm <br />0.009 m <br />) +
campanulate-cylindric +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
11 cm110 mm <br />0.11 m <br /> (22 cm220 mm <br />0.22 m <br />) +
cauline +, proximal +  and basal +
linear;narrowly oblanceolate or oblanceolate +
reduced +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
lanceolate +  and lance-linear +
2-carpellate +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering mid Jun–Aug. +
pilose +  and glabrous +
18 +  and 40 +
Fl. Bor.-Amer. +
bearing subulate enations +, hairy +  and bristly +
conic;spheric;usually flat;convex +
exalbuminous +
branched +  and simple +
pilose +  and glabrous +
appendaged +  and truncate +
hirsutulous +
papillate +
Liatris bebbiana +  and Liatris langloisii +
Liatris pycnostachya var. pycnostachya +
Liatris pycnostachya +
variety +
20 cm200 mm <br />0.2 m <br /> (180 cm1,800 mm <br />1.8 m <br />) +
120 cm1,200 mm <br />1.2 m <br /> (180 cm1,800 mm <br />1.8 m <br />) +