Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Rumex subg. Acetosella

common sheep sorrel, field sorrel, oseille, petite oseille, red sorrel, sheep dock, sheep sorrel, sour weed, sûrette
Habit Plants dioecious (rarely polygamomonoecious).
Leaf

blades hastate with spreading basal lobes, or sometimes narrowly linear, unlobed, and narrowly cuneate at base.
Pedicels

filiform, articulation distinct near base of tepals, slightly swollen.
Flowers

unisexual, staminate and pistillate on different plants;

outer tepals angled towards inner tepals;

inner tepals not enlarged or slightly to distinctly enlarged, 1.2–2.5(–3) mm, equaling or slightly wider than achenes, margins entire;

tubercles absent.

Rumex subg. Acetosella
Distribution
Mostly in temperate regions of both hemispheres; as naturalized almost worldwide
[BONAP county map]
Discussion

Species 7–8 (4 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 5, p. 497.
Parent taxa Polygonaceae > subfam. Polygonoideae > Rumex
Subordinate taxa
Synonyms R. section Acetosella, subg. Acetosella
Name authority (Meisner) Rechinger f.: Publ. Field Mus. Nat. Hist., Bot. Ser. 17: 6. (1937)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(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 Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers