Eupatorium capillifolium

(Lamarck) Small

Mem. Torrey Bot. Club 5: 311. 1894.

Common names: Dogfennel
IllustratedEndemic
Basionym: Artemisia capillifolia Lamarck in J. Lamarck et al., Encycl. 1: 267. 1783
Treatment appears in FNA Volume 21. Treatment on page 466. Mentioned on page 461, 462, 463, 472.

Perennials, 50–200 cm. Stems (from short caudices) multiple, branched distally, puberulent throughout. Leaves opposite (proximal) or alternate (nodes often appearing leafy because of development of leaves on lateral buds without axis elongation); sessile; blades (often ternately lobed) or lobes linear, 5–100 × 0.2–0.5 (–1) mm, bases ± cuneate, margins entire (strongly revolute), apices rounded to acute, faces glabrate, glanddotted. Heads in dense, paniculiform arrays. Phyllaries 8–10 in 2–3 series, oblong, 0.5–2.5 × 0.2–0.5 mm, apices acuminate and mucronate, abaxial faces glabrous or glabrate, not or little, if at all, glanddotted. Florets 5; corollas 2–2.5 mm. Cypselae 1–1.7 mm; pappi of 20–30 bristles 2–2.5 mm. 2n = 20.


Phenology: Flowering Aug–Oct.
Habitat: Old fields, open sites, roadsides, flatwoods
Elevation: 10–300 m

Distribution

V21-1163-distribution-map.gif

Ala., Ark., Conn., Del., Fla., Ga., Ky., La., Md., Mass., Miss., Mo., N.J., N.C., Okla., Pa., S.C., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Eupatorium capillifolium"
glabrate +  and glabrous +
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
paniculiform +
indeterminate +  and determinate +
Kunsiri Chaw Siripun +  and Edward E. Schilling +
(Lamarck) Small +
puberulent +
cuneate +
enlarged +
Artemisia capillifolia +
nerved +  and 3-nerved +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (10 cm100 mm <br />0.1 m <br />) +
dissected +, lobed +, toothed +  and entire +
ovate;lanceolate or linear +
0.2mm;0.5mm +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
filiform +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Dogfennel +
pinkish +  and white +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
prismatic +
fertile +  and bisexual +
Ala. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ky. +, La. +, Md. +, Mass. +, Miss. +, Mo. +, N.J. +, N.C. +, Okla. +, Pa. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
10–300 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Old fields, open sites, roadsides, flatwoods +
in usually determinate , rarely indeterminate , arrays +  and singly +
indeterminate +
each +  and sessile +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
obconic;ellipsoid +
alternate +  and opposite +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (10 cm100 mm <br />0.1 m <br />) +
triangular +
0.2mm +  and 0.5mm +
2-carpellate +
persistent +
Flowering Aug–Oct. +
nerved +  and 2-3-nerved +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
8 +  and 10 +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Mem. Torrey Bot. Club +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
hirsutulous +
papillate +
Compositae +
Eupatorium capillifolium +
Eupatorium +
species +
campanulate +
toothed +  and entire +
50 cm500 mm <br />0.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
vine +, shrub +  and subshrub +