Flora of North America species comparison

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Oxytenia acerosa

copperweed
Leaves

petioles 0–20+ mm;

blades or lobes mostly 20–150 × 1–1.5(–3) mm.
Peduncles

1–3+ mm.
Involucres

2–3+ mm.
Phyllaries

outer 5–7 ± herbaceous, sericeous to strigillose, inner scarious to membranous, usually villous.
Cypselae

1.5–2.5 mm.
Functionally

staminate florets: corollas 2.5–3 mm.
Paleae

1.8–2+ mm.
2n

= 36.

Oxytenia acerosa
Phenology Flowering Jun–Sep.
Habitat Wet or seasonally wet, alkaline soils
Elevation 100–2200 m (300–7200 ft)
Distribution
from FNA
AZ; CA; CO; NM; NV; UT
[WildflowerSearch map]
Source FNA vol. 21, p. 29.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ambrosiinae > Oxytenia
Synonyms Euphrosyne acerosa, Iva acerosa
Name authority Nuttall: Proc. Acad. Nat. Sci. Philadelphia 4: 20. (1848)
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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