Euthamia leptocephala |
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bushy goldentop, Mississippi Valley goldentop |
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Habit | Perennials or subshrubs, 30–100 cm. |
Stems | (erect, striate-angled) glabrous, not glaucous. |
Leaves | ascending to spreading-ascending; blades 3- or -5-nerved, lanceolate to narrowly lanceolate, 40–80 × 3–6(–9) mm, lengths 8–18 times widths, abruptly reduced distally, firm-herbaceous, margins scabrous, apices mostly acute, faces glabrous, little and obscurely gland-dotted (9–29 dots per mm²), sometimes pustulate. |
Involucres | obconic, 4–6 mm. |
Ray florets | usually 7–14. |
Disc florets | 3–6; corollas 3.3–4.4 mm. |
Phyllaries | yellowish at bases, usually green-tipped, outer narrowly ovate, inner nearly linear, apices rounded to subacute (sometimes slightly resinous). |
Heads | glomerate or pedunculate, in compact, usually round-topped arrays 6–35% of plant heights. |
2n | = 18. |
Euthamia leptocephala |
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Phenology | Flowering Sep–Nov. |
Habitat | Moist, sandy soils of open areas, woodlands, and forest openings |
Elevation | 0–100 m (0–300 ft) |
Distribution |
AL; AR; FL; GA; LA; MO; MS; NC; OK; TN; TX
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Discussion | I have seen no specimens of Euthamia leptocephala from Kentucky; it is to be expected there. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 20, p. 100. |
Parent taxa | Asteraceae > tribe Astereae > Euthamia |
Sibling taxa | |
Synonyms | Solidago leptocephala |
Name authority | (Torrey & A. Gray) Greene ex Porter & Britton: Mem. Torrey Bot. Club 5: 321. (1894) |
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