Skip Navigation
Contact Us
Sign In
Symbiota Brand New Portal
Redesigned by the Symbiota Support Hub
☰
Home
Search
Map Search
Species Checklists
Images
Data Use
Symbiota Help
Sitemap
Select Language:
English
Español
Français
Oxytenia acerosa
Oxytenia acerosa
Nutt.
Family:
Asteraceae
copperweed
[
Iva acerosa
(Nutt.) R.C. Jackson]
Max Licher
Flora of North America
General Description
Resources
John L. Strother in Flora of North America (vol. 21)
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.
Functionally staminate florets
: corollas 2.5-3 mm.
Paleae
1.8-2+ mm.
Cypselae
1.5-2.5 mm.
2
n
= 36. Flowering Jun-Sep. Wet or seasonally wet, alkaline soils; 100-2200 m; Ariz., Calif., Colo., Nev., N.Mex., Utah.
Plant
: Shrub 1-2 m, sometimes appearing bush-like; stems ± green
Leaves
: 5-15 cm, opposite below, ± alternate above, ± thick, ± linear, entire to pinnately linear-lobed, finely canescent
INFLORESCENCE
: heads many, disciform, erect, in panicle-like cluster; involucre 3-4 mm; phyllaries free; chaff scales ± cut, tips ± wider
Flowers
: Pistillate flowers: corolla 0; Staminate flowers 5-20; corolla translucent; anthers free, yellow; style tip truncate or tack-shaped
Fruit
: achenes, plump, densely long-soft-hairy, obovate, ± compressed; pappus 0
Misc
: Saline soils; < 700 m.; Aug-Dec
Open Interactive Map
Max Licher
Max Licher
Click to Display
20 Total Images