Difference between revisions of "Arnoglossum diversifolium"
Phytologia 28: 294. 1974.
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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 100–200(–300) cm. Stems proximally ribbed (and purplish), distally angular (and greenish). Basal leaves: (petioles with brownish hairs) blades ovate to cordate-ovate, to 10 cm (bases truncate), margins denticulate. Cauline leaves: proximal petiolate, deltate-hastate, margins dentate (faces glabrous); distal petiolate or sessile, smaller (faces finely puberulent). Involucres (7.5–)9–11 mm. Phyllaries lance-ovate, midvein wings uniform or highest at apices. Corollas white or purplish, 8.5–9.5(–10.5) mm. Cypselae fusiform, 3 mm; pappi (6–)7–8 mm. 2n = 50.
Phenology: Flowering mid May–early Jul (Aug–Sep, peninsular Florida).
Habitat: Wet or mucky soils, along streams, swamps, woodlands
Elevation: 0–100 m
Distribution
Ala., Fla., Ga.
Discussion
Of conservation concern.
Arnoglossum diversifolium grows primarily in the Florida panhandle and adjacent Alabama and Georgia, and in Putnam and Levy counties, Florida.
Selected References
None.