UW Burke Herbarium species comparison

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Oxalis articulata

Oxalis oregana

redwood-sorrel, Oregon wood-sorrel
Habit Acaulescent perennial from scaly rhizomes.
Leaves

Leaves trifoliate, on petioles 3-20 cm. long that are covered with soft, brown hairs, jointed to the stipules;

leaflets obcordate, up to 4.5 cm. broad, drooping.
Flowers

Scapes 5-15 cm. tall, single-flowered, with 2 bracts near the flower;

sepals 5, persistent;

petals 5, 13-20 mm. long, white to pinkish, with reddish veining;

stamens 10, the lower 2 mm. united in a tube, 5 filaments longer than the other 5;

styles 5.
Fruits

Capsule 5-celled, 7-9 mm. long, ovoid.

Oxalis articulata

Oxalis oregana
Flowering time April-September
Habitat Moist woods, low to moderate elevations.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring west of the Casades crest in Washington; Olympic Mountains and west slope of the Cascades in Washington; British Columbia south to California.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
O. corniculata, O. dillenii, O. exilis, O. oregana, O. stricta, O. suksdorfii, O. trilliifolia
O. corniculata, O. dillenii, O. exilis, O. stricta, O. suksdorfii, O. trilliifolia
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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

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