Slender Yellow Woodsorrel Oxalis dillenii Jacquin    Synonyms: Oxalis dillenii ssp. filipes, Oxalis florida var. filipes, Oxalis stricta, Xanthoxalis filipes.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Geraniales   >   Family Oxalidaceae   >   Genus Oxalis   

Description:

Differentiating between Slender Yellow Woodsorrel and Common Yellow Woodsorrel (Oxalis stricta) can be tricky. Looking at the seeds of the plant is the best way to identify these two species. Common Yellow Woodsorrel has seeds that are plain brown. In contrast, the seeds of Slender Yellow Woodsorrel are brown, with prominent white ridges. Checking the hairs on the stem is another way to separate the two species. The stem hairs of Common Yellow Woodsorrel are dense and spreading, while the stem hairs of Slender Yellow Woodsorrel are appressed.

There are 77 records in the project database.

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Slender Yellow Woodsorrel in Anne Arundel Co., Maryland (6/24/2014). Photo by Jim Brighton. (MBP list)

Slender Yellow Woodsorrel in Caroline Co., Maryland (5/8/2018). Photo by Wayne Longbottom. (MBP list)

Slender Yellow Woodsorrel in Caroline Co., Maryland (5/25/2014). Photo by Jim Stasz. (MBP list)

Slender Yellow Woodsorrel in Anne Arundel Co., Maryland (5/15/2017). Photo by Bill Hubick. (MBP list)

Slender Yellow Woodsorrel in Baltimore Co., Maryland (5/23/2020). (c) Peter M Martin, some rights reserved (CC BY-NC). Photo by Peter M Martin via iNaturalist. (MBP list)

Slender Yellow Woodsorrel in Allegany Co., Maryland (5/28/2018). Photo by Mark Eanes. (MBP list)


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