Verbesina longifolia |
Verbesina lindheimeri |
|
---|---|---|
long-leaf crownbeard |
Lindheimer's crownbeard |
|
Habit | Plants 60–150+ cm (perennating bases ± erect, internodes not winged). | Plants 30–70+ cm (perennating bases ± erect, internodes not winged). |
Leaves | 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. |
all or mostly opposite (distal sometimes alternate); blades ovate-deltate or ovate to lance-ovate, 2–6 × 1–5 cm, bases rounded to cuneate, margins toothed to entire, apices obtuse to acute, faces ± scabrellous. |
Involucres | ± hemispheric to saucerlike, 11–15+ mm diam. |
± hemispheric, 15–22+ mm diam. |
Ray florets | 12–13; laminae 15–25+ mm. |
± 13; laminae 25 mm. |
Disc florets | 60–100+; corollas yellow. |
80–120+; corollas yellow. |
Phyllaries | 18–24+ in 2–3 series, ± erect to spreading, linear to lance-linear, 5–15+ mm. |
24–30+ in 3–4 series, ± erect, oblong, orbiculate, or ovate, 5–12+ mm. |
Heads | borne singly or 3–5+ in loose, corymbiform arrays. |
borne singly. |
Cypselae | dark brown, oblanceolate to elliptic, 7 mm, faces glabrous; pappi 0–0.5 mm. |
dark brown, narrowly elliptic, 7 mm, faces glabrous; pappi 0–0.5 mm. |
2n | = 34. |
= 34. |
Verbesina longifolia |
Verbesina lindheimeri |
|
Phenology | Flowering (Jul–)Sep–Oct. | Flowering (May–)Sep–Nov. |
Habitat | Rocky slopes | Shaded slopes, limestone, juniper scrublands |
Elevation | 1500–2400 m (4900–7900 ft) | 100–500 m (300–1600 ft) |
Distribution |
AZ; NM; Mexico (Chihuahua, Durango)
|
TX |
Source | FNA vol. 21, p. 110. | FNA vol. 21, p. 111. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Verbesina | Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Verbesina |
Sibling taxa | ||
Synonyms | Actinomeris longifolia | |
Name authority | (A. Gray) A. Gray: Proc. Amer. Acad. Arts 19: 12. (1883) | B. L. Robinson & Greenman: Proc. Amer. Acad. Arts 34: 541. (1899) |
Web links |