Eutrochium steelei

(E. E. Lamont) E. E. Lamont

Sida 21: 902. 2004.

Endemic
Basionym: Eupatorium steelei E. E. Lamont Brittonia 42: 279, fig. 1. 1990
Synonyms: Eupatoriadelphus steelei (E. E. Lamont) G. J. Schmidt & E. E. Schilling
Treatment appears in FNA Volume 21. Treatment on page 477. Mentioned on page 475.

Plants 60–200 cm. Stems usually greenish purple, sometimes evenly purplish, solid, usually glandular-pubescent throughout, sometimes densely puberulent and sparingly glandular. Leaves mostly in 3s–4s; petioles (0.7–) 1.3–2.8 (–3.6) mm, glabrate to densely ciliate; blades pinnately veined, lanceovate or ovate to deltate-ovate, mostly 7–30 × 2.5–18 cm, relatively firm, bases abruptly or gradually tapered, margins sharply serrate, abaxial faces ± glandular-pubescent and sparsely hirsute (at least midribs and main veins), adaxial faces scabrous-hirsute, glabrescent. Heads in loose, convex, compound corymbiform arrays. Involucres often purplish, 6.5–9 × 3.5–5 mm. Phyllaries mostly glabrous, outer sometimes hairy on midveins. Florets (5–) 6–9 (–10); corollas usually pale pinkish or purplish, 4.5–7 mm. Cypselae 3–4.5 mm. 2n = 20.


Phenology: Flowering late summer–early fall.
Habitat: Gravelly embankments, open woods, thickets
Elevation: 700–1500 m

Discussion

Eutrochium steelei is known from the Blue Ridge Province of western North Carolina and eastern Tennessee, the Ridge and Valley Province of southwestern Virginia, and the Appalachian Plateaus Province of eastern Kentucky.

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Eutrochium steelei"
hirsute +  and glandular-pubescent +
glabrescent +  and scabrous-hirsute +
not tailed +, truncate +, rounded +  and obtuse +
scarious +
usually ovate +  and lanceolate +
usually terete +  and clavate +
corymbiform +  and compound +
indeterminate +  and determinate +
Eric E. Lamont +
(E. E. Lamont) E. E. Lamont +
puberulent +
tapered +
enlarged +
Eupatorium steelei +
7 cm70 mm <br />0.07 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dissected +, lobed +, toothed +  and entire +
ovate;deltate-ovate +
2.5cm;18cm +
papillate +  and rugose +
(4-)5-angled;10-ribbed +
less filiform;clavate +
purplish +  and pale pinkish +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
scabrellous +
prismatic +
fertile +  and bisexual +
Ky. +, N.C. +, Tenn. +  and Va. +
700–1500 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Gravelly embankments, open woods, thickets +
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 /> (0.5 cm5 mm <br />0.005 m <br />) +
opposite +  and whorled +
ovate +  and deltate +
2-carpellate +
persistent +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
glabrate +  and densely ciliate +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Flowering late summer–early fall. +
10 +  and 22 +
bearing subulate enations +, hairy +  and bristly +
convex;flat +
exalbuminous +
purplish +  and greenish purple +
appendaged +  and truncate +
hirsutulous +
papillate +
Eupatoriadelphus steelei +
Eutrochium steelei +
Eutrochium +
species +
30 cm300 mm <br />0.3 m <br /> (350 cm3,500 mm <br />3.5 m <br />) +