Comments
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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.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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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, lance-ovate 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.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Eupatorium steelei E. E. Lamont, Brittonia 42: 279, fig. 1. 1990; Eupatoriadelphus steelei (E. E. Lamont) G. J. Schmidt & E. E. Schilling
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA