Flora of North America species comparison

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Arnoglossum plantagineum

groovestem Indian plantain, prairie Indian plantain
Habit Plants 50–100 cm (weakly rhizomatous).
Stems

angulate.
Basal leaves

blades broadly elliptic, to 17 cm, margins entire or sinuate.
Cauline leaves

proximal (and mid) petiolate, elliptic (bases rounded), margins entire or serrulate;

distal petiolate or sessile, smaller (narrower).
Involucres

(9.5–)10–12(–14) mm.
Corollas

white or greenish, 8–10(–11.5) mm.
Phyllaries

(pale green) ovate, midvein wings uniform or highest at apices.
Cypselae

fusiform or clavate, 4–5 mm (dark brown, 12–15-ribbed);

pappi (6–)7–8(–9) mm.
2n

= 54.

Arnoglossum plantagineum
Phenology Flowering May (south)–Aug (north).
Habitat Wet prairies and pastures, usually in boggy areas in north
Elevation 0–600 m (0–2000 ft)
Distribution
from FNA
AL; AR; IA; IL; IN; KS; KY; LA; MI; MN; MO; MS; NE; OH; OK; SD; TN; TX; WI; ON
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 624.
Parent taxa Asteraceae > tribe Senecioneae > Arnoglossum
Sibling taxa
A. album, A. atriplicifolium, A. diversifolium, A. floridanum, A. ovatum, A. reniforme, A. sulcatum
Synonyms Cacalia plantaginea, Cacalia pteranthes, Cacalia tuberosa, Conophora tuberosa, Mesadenia plantaginea, Mesadenia tuberosa, Senecio nuttallii
Name authority Rafinesque: Fl. Ludov., 65. (1817)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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