Phoebanthus grandiflorus

(Torrey & A. Gray) S. F. Blake

Proc. Amer. Acad. Arts 51: 520. 1916.

Common names: Florida false sunflower
Basionym: Helianthella grandiflora Torrey & A. Gray Fl. N. Amer. 2: 333. 1842
Treatment appears in FNA Volume 21. Treatment on page 113.
Revision as of 20:36, 16 December 2019 by FNA>Volume Importer

Perennials, 50–100+ cm (tubers 2–10 cm). Leaves mostly alternate, sometimes proximal opposite; blades linear to linear-lanceolate, the larger 2–7 cm × 3–7 mm. Involucres hemispheric, 10–12 × 12–20 mm. Paleae 10 × 2 mm (lateral lobes nearly equaling central lobe). Phyllaries appressed. Ray laminae 20–40 mm. Disc florets 50+; corollas 5–7 mm. Cypselae 3.5–4.5 mm; pappi 0 or of 1(–2) lacerate scales 0.4–2 mm plus 0–2 scales 0.2–0.5 mm. 2n = 68.


Phenology: Flowering Mar–Nov.
Habitat: Sandhills, pine flatwoods
Elevation: 10–30+ m

Discussion

Phoebanthus grandiflorus is known only from peninsular Florida.

Selected References

None.

Lower Taxa

None.
... more about "Phoebanthus grandiflorus"
Edward E. Schilling +
(Torrey & A. Gray) S. F. Blake +
Helianthella grandiflora +
Florida false sunflower +
10–30+ m +
Sandhills, pine flatwoods +
Flowering Mar–Nov. +
Proc. Amer. Acad. Arts +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Phoebanthus grandiflorus +
Phoebanthus +
species +