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Oxalis montana

Oxalis montana Raf.

Oxalis acetosella auct. non L.

Oxalis acetosella L. ssp. montana (Raf.) Hultén ex D. Löve

Oxalis acetosella L. var. rhodantha (Fernald) R. Knuth

Common Wood Sorrel, Mountain Woodsorrel, Wood Shamrock, White Woodsorrel, Wood Sorrel

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderGeranialesBalsams, mustards, geraniums, wood sorrels, nasturtiums, others
FamilyOxalidaceaeWood sorrels
GenusOxalisWood sorrels (Oxalis means “sour”)
Speciesmontana“Of the mountains”

About plant names...

Wood sorrel’s name is an English distortion of sorrel de boys, a Middle French expression meaning “sour,” a reference to the taste of the leaves.

Identification: Woodsorrels are less than 4" (10 cm) high, with groups of three heart-shaped leaflets that resemble clover. They are found on forest floors, in rich and somewhat moist soils, and can tolerate shade. The leaves are stemless, emerging directly from the roots. They fold and unfold slowly in response to sunlight. Flowers are white or pink, with darker pink veins and five petals, about ¾" (1.9 cm) around. The fruit is a capsule.

Online References:

Oxalis montana on Earl J.S. Rook's Flora, Fauna, Earth, and Sky ... The Natural History of the Northwoods

Oxalis montana on Plants for a Future, a resource and information centre for edible and otherwise useful plants

Oxalis montana on the USDA Plants Database

Oxalis montana on the Connecticut Botanical Society's Connecticut wildflowers site

Oxalis montana on the USDA Forest Service's Fire Effects Information Database

Oxalis montana at the University of Wisconsin's Robert W. Freckmann Herbarium

Oxalis montana on Wildflowers of the United States

Oxalis montana (Common Wood Sorrel, Mountain Woodsorrel, Wood Shamrock, White Woodsorrel, Wood Sorrel)

8/19/2010 · Nashua River Rail Trail, Groton, MA
≈ 5 × 5" (13 × 13 cm) ID is uncertain

Oxalis montana description by Thomas H. Kent, last updated 2 Oct 2013.

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Oxalis montana (Common Wood Sorrel, Mountain Woodsorrel, Wood Shamrock, White Woodsorrel, Wood Sorrel)

10/3/2013 · Wild Gardens of Acadia, Acadia National Park, Bar Harbor, ME

Oxalis montana (Common Wood Sorrel, Mountain Woodsorrel, Wood Shamrock, White Woodsorrel, Wood Sorrel)

9/28/2013 · Wild Gardens of Acadia, Acadia Naitonal Park, Bar Harbor, ME
≈ 8 × 5" (20 × 13 cm)

Oxalis montana (Common Wood Sorrel, Mountain Woodsorrel, Wood Shamrock, White Woodsorrel, Wood Sorrel)

A natural variegated form. · 7/11/2009 · Nashua River Rail Trail, near NH Line, Dunstable, MA
≈ 7 × 4½" (17 × 11 cm)

Oxalis montana (Common Wood Sorrel, Mountain Woodsorrel, Wood Shamrock, White Woodsorrel, Wood Sorrel)

8/16/2015 · Table Rock Hike, Appalacian Trail, Grafton Notch State Park
≈ 6 × 7" (15 × 18 cm)

Range:

About this map...