Difference between revisions of "Arnoglossum album"

L. C. Anderson

Sida 18: 378, figs. 1, 6-9. 1998.

Treatment appears in FNA Volume 20. Treatment on page 623.
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|publication year=1998
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1396.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_1396.xml
 
|tribe=Asteraceae tribe Senecioneae
 
|tribe=Asteraceae tribe Senecioneae
 
|genus=Arnoglossum
 
|genus=Arnoglossum

Revision as of 18:41, 24 September 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.