Difference between revisions of "Arnoglossum album"
Sida 18: 378, figs. 1, 6-9. 1998.
Treatment appears in FNA Volume 20. Treatment on page 623.
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|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Arnoglossum | |genus=Arnoglossum | ||
Revision as of 20:25, 16 December 2019
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. 2n = 50.
Phenology: Flowering May–mid July.
Habitat: Poorly drained, acidic loamy sands, savannas, open pinewoods
Elevation: 0–10 m
Discussion
Of conservation concern.
Arnoglossum album is known only from Bay and Gulf counties.
Selected References
None.
Lower Taxa
None.