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Arnoglossum album
L.C. Anderson
Family:
Asteraceae
Bay County Indian-Plantain
FNA
Resources
Loran C. Anderson in Flora of North America (vol. 20)
Plants
80-100+ cm.
Stems
strongly ridged.
Basal leaves:
(petioles 12-18+ cm) blades (lateral veins appressed to midveins 2-4 cm, then spreading) broadly ovate to narrowly oblong-lanceolate, 15-37 cm, margins usually entire, rarely sinuate or serrulate-denticulate.
Cauline leaves:
proximal petiolate, blades ovate (12-18+ cm, bases cuneate), margins serrate (apices acuminate); distal sessile, smaller.
Involucres
10-12.5+ mm.
Phyllaries
(chalky white) ± ovate, midvein wings highest at bases.
Corollas
white, rarely tinged with pink, 9-10.5 mm.
Cypselae
cylindric to narrowly clavate, 4.2-5 mm;
pappi
6-7 mm.
2
n
= 50.
Flowering May-mid July. Poorly drained, acidic loamy sands, savannas, open pinewoods; of conservation concern; 0-10 m; Fla.
Arnoglossum album
is known only from Bay and Gulf counties.
Open Interactive Map
University of Florida Herbarium
Click to Display
18 Total Images
This project made possible by
National Science Foundation Award 1410069
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