Eutrochium maculatum var. maculatum

Treatment appears in FNA Volume 21. Treatment on page 476.

Stems puberulent only near summits. Leaves: petioles glabrous; blades lance-elliptic to lanceolate or lanceovate, 8–25 × 2.5–9 cm, relatively thin, bases gradually narrowed, abaxial faces usually glabrate, seldom strongly puberulent; distalmost whorls of leaves directly subtending heads not surpassing heads (blades 1.5–2.5 × 0.2–0.5 cm). Phyllaries mostly glabrous, outer often hairy.


Phenology: Flowering late summer–early fall.
Habitat: Moist sites, calcareous soils, open sun or partial shade
Elevation: 10–1800 m

Distribution

V21-1193-distribution-map.gif

St. Pierre and Miquelon, N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Conn., Ill., Ind., Iowa, Maine, Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

puberulent +  and glabrate +
glabrous +  and hairy +
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
indeterminate +  and determinate +
flat-topped +
Eric E. Lamont +
(Linnaeus) E. E. Lamont +
puberulent +
narrowed +
enlarged +
Eupatorium maculatum +
23 cm230 mm <br />0.23 m <br /> (30 cm300 mm <br />0.3 m <br />) +
7 cm70 mm <br />0.07 m <br /> (9 cm90 mm <br />0.09 m <br />) +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
dissected +, lobed +, toothed +  and entire +
lance-elliptic;lanceolate or lanceovate +
thin;2.5cm;9cm +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
less filiform;clavate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
scabrellous +
prismatic +
fertile +  and bisexual +
St. Pierre and Miquelon +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Conn. +, Ill. +, Ind. +, Iowa +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, Vt. +, Va. +, W.Va. +  and Wis. +
10–1800 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Moist sites, calcareous soils, open sun or partial shade +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.65 cm6.5 mm <br />0.0065 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
opposite +  and whorled +
ovate +  and deltate +
2-carpellate +
persistent +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Flowering late summer–early fall. +
10 +  and 22 +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
hollow +  and solid +
purple-spotted +
appendaged +  and truncate +
hirsutulous +
papillate +
Eupatoriadelphus maculatus +, Eupatorium purpureum subsp. maculatum +, Eupatorium purpureum var. maculatum +  and Eupatorium trifoliatum var. maculatum +
Eutrochium maculatum var. maculatum +
Eutrochium maculatum +
variety +
30 cm300 mm <br />0.3 m <br /> (350 cm3,500 mm <br />3.5 m <br />) +