Verbesina occidentalis |
Verbesina longifolia |
|
---|---|---|
yellow crownbeard |
long-leaf crownbeard |
|
Habit | Plants 80–200+ cm (perennating bases ± erect, internodes winged). | Plants 60–150+ cm (perennating bases ± erect, internodes not winged). |
Leaves | all or mostly opposite (distal sometimes alternate); blades ± ovate or lance-deltate to lanceolate, 6–12(–16+) × 3–6(–10+) cm, bases ± cuneate, margins coarsely toothed to subentire, apices usually acute to attenuate, sometimes rounded, faces scabrellous. |
all or mostly opposite (distal sometimes alternate); blades ± lance-linear (lengths 10–15 times widths), 9–12(–20+) × 0.6–1.2(–1.5+) cm, bases rounded, margins obscurely toothed to subentire, apices ± attenuate, faces ± scabrellous. |
Involucres | campanulate to turbinate, 3–5+ mm diam. |
± hemispheric to saucerlike, 11–15+ mm diam. |
Ray florets | (0–)1–3(–5); laminae 10–15(–20+) mm. |
12–13; laminae 15–25+ mm. |
Disc florets | 8–15+; corollas yellow. |
60–100+; corollas yellow. |
Phyllaries | 8–12+ in 2 series, ± erect, spatulate to oblanceolate, 3–7+ mm. |
18–24+ in 2–3 series, ± erect to spreading, linear to lance-linear, 5–15+ mm. |
Heads | 20–100+ in corymbiform-paniculiform arrays. |
borne singly or 3–5+ in loose, corymbiform arrays. |
Cypselae | dark brown to black, oblanceolate, 5 mm, faces strigose; pappi 3–4 mm. |
dark brown, oblanceolate to elliptic, 7 mm, faces glabrous; pappi 0–0.5 mm. |
2n | = 34. |
= 34. |
Verbesina occidentalis |
Verbesina longifolia |
|
Phenology | Flowering Aug–Oct. | Flowering (Jul–)Sep–Oct. |
Habitat | Bottomlands, margins of thickets, waste places | Rocky slopes |
Elevation | 10–300 m (0–1000 ft) | 1500–2400 m (4900–7900 ft) |
Distribution |
AL; DC; DE; FL; GA; IL; KY; MD; MO; MS; NC; OH; OK; SC; TN; TX; VA; WV
|
AZ; NM; Mexico (Chihuahua, Durango)
|
Source | FNA vol. 21, p. 109. | FNA vol. 21, p. 110. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Verbesina | Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Verbesina |
Sibling taxa | ||
Synonyms | Siegesbeckia occidentalis | Actinomeris longifolia |
Name authority | (Linnaeus) Walter: Fl. Carol., 213. (1788) | (A. Gray) A. Gray: Proc. Amer. Acad. Arts 19: 12. (1883) |
Web links |