Phoebanthus grandiflorus
Proc. Amer. Acad. Arts 51: 520. 1916.
Common names: Florida false sunflower
IllustratedEndemic
Basionym: Helianthella grandiflora Torrey & A. Gray Fl. N. Amer. 2: 333. 1842
Treatment appears in FNA Volume 21. Treatment on page 113.
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"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
bristlelike +
continuous +
linear;linear-lanceolate +
larger +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
Florida false sunflower +
zygomorphic +
yellow +
winged +
dimorphic +
3.5mm;4.5mm +
staminate +
staminate +
sessile +
alternate +
Fla. +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
singly +
indeterminate +
Present +
surrounding +
hemispheric +
proximal +
triangular +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
fragile +
falling +
absent +
lacerate +
tough +
thick +
absent +
connate +
persistent +
appressed +
distinct +
falling +
opposite +
Proc. Amer. Acad. Arts +
1916 +
neuter +
absent +
paleate +
convex +
fibrous +
lacerate +
exalbuminous +
modifed +
2;3 +
bristlelike +
alternate +
branched +
erect +
continuous +
2-branched +
papillate +
Phoebanthus grandiflorus +
Phoebanthus +
species +
campanulate +
shorter +
cylindric +
shorter to longer than campanulate +
perennial +