Difference between revisions of "Arnoglossum reniforme"

(Hooker) H. Robinson

Phytologia 46: 441. 1980.

Endemic
Basionym: Senecio atriplicifolius var. reniformis Hooker Fl. Bor.-Amer. 1: 332. 1834,
Synonyms: Conophora reniformis (Hooker) Nieuwland Mesadenia reniformis (Hooker) Rafinesque S. reniformis (Hooker) MacMillan
Treatment appears in FNA Volume 20. Treatment on page 625. Mentioned on page 623.
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1402.xml
 
|tribe=Asteraceae tribe Senecioneae
 
|tribe=Asteraceae tribe Senecioneae
 
|genus=Arnoglossum
 
|genus=Arnoglossum

Latest revision as of 20:00, 5 November 2020

Plants 100–300 cm. Stems ridged to angulate (usually glabrous, rarely sparsely puberulent distally, not glaucous). Basal leaves: (petioles to 30 cm) blades (with 3–5 main veins) reniform or ovate-cordate, to 40+ cm, margins lobed or dentate. Cauline leaves: proximal petiolate, blades ovate, margins entire, serrate, or dentate; distal petiolate or sessile, smaller (rarely hairy). Involucres (8–)10–13(–14) mm. Phyllaries pale green, narrowly ovate, midveins not winged (tips obtuse). Corollas white or greenish, 8–9(–10.5) mm. Cypselae fusiform or clavate, 4–5 mm (dark brown or purple, 4–5-ribbed); pappi 6–8 mm. 2n = 50.


Phenology: Flowering mid May–early Sep.
Habitat: Open woods
Elevation: 10–500 m

Distribution

V20-1402-distribution-map.gif

Ala., Ark., Del., Ga., Ill., Ind., Iowa, Ky., Md., Minn., Miss., Mo., N.J., N.C., Ohio, Okla., Pa., Tenn., Va., W.Va., Wis.

Discussion

Arnoglossum muehlenbergii of H. Robinson, Cacalia muhlenbergii of Fernald, and Mesadenia muhlenbergii of Rydberg were based on Senecio muehlenbergii Schultz-Bipontinus, a superfluous name based on Cacalia reniformis Muhlenberg ex Willdenow.

Selected References

None.

Lower Taxa

None.
... more about "Arnoglossum reniforme"
Loran C. Anderson +
(Hooker) H. Robinson +
Senecio atriplicifolius var. reniformis +
Ala. +, Ark. +, Del. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, Md. +, Minn. +, Miss. +, Mo. +, N.J. +, N.C. +, Ohio +, Okla. +, Pa. +, Tenn. +, Va. +, W.Va. +  and Wis. +
10–500 m +
Open woods +
Flowering mid May–early Sep. +
Conophora reniformis +, Mesadenia reniformis +  and S. reniformis +
Arnoglossum reniforme +
Arnoglossum +
species +