Difference between revisions of "Arnoglossum floridanum"
Phytologia 28: 294. 1974.
Basionym: Cacalia floridana A. Gray Proc. Amer. Acad. Arts 19: 52. 1883
Synonyms: Conophora floridana (A. Gray) Nieuwland Mesadenia floridana (A. Gray) Greene
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|authority=A. Gray | |authority=A. Gray | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
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|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Arnoglossum | |genus=Arnoglossum | ||
Revision as of 18:41, 24 September 2019
Plants to 100 cm (weakly rhizomatous). Stems 5-ribbed. Basal leaves: blades (usually with 5 main veins from bases) ovate to elliptic, to 18 cm, margins entire. Cauline leaves: proximal petiolate, ovate, margins crenulate; distal petiolate or sessile, smaller. Involucres 12–15 mm. Phyllaries (light green) ovate, midvein wings uniform or highest at apices. Corollas white or light green, (9–)11–12 mm. Cypselae fusiform, 5 mm (green); pappi 7–8.5 mm. 2n = 50, 52.
Phenology: Flowering May–Jul.
Habitat: Dry sand ridges, pine-oak woodlands
Elevation: 0–20+ m
Discussion
Of conservation concern.
Arnoglossum floridanum is known only from central peninsular Florida.
Selected References
None.
Lower Taxa
None.