Oxalis articulata |
Oxalis stricta |
|
---|---|---|
upright yellow wood-sorrel |
||
Habit | Perennial from widespread, slender, fleshy rhizomes, the stems to 5 dm. tall, erect to prostrate, pubescent to glabrous. | |
Leaves | Leaves alternate, long-petiolate, trifoliate; leaflets 1-5 cm. long, obcordate, drooping, usually glabrous; stipules lacking. |
|
Flowers | Flowers 2-7, long pedicellate, on axillary peduncles that exceed the leaves; sepals 5; petals 5, yellow, 4-9 mm. long; stamens 10, united at the base, 5 filaments longer than the other 5; styles 5. |
|
Fruits | Capsule 5-celled, sparsely hairy. |
|
Oxalis articulata |
Oxalis stricta |
|
Flowering time | April-September | |
Habitat | Disturbed ground, lawns and gardens. | |
Distribution | Occurring on both sides of the Cascades crest in Washington; British Columbia to Washington, Idaho, and Arizona, east across most of North America to the Atlantic Coast.
|
|
Origin | Introduced from central and eastern North America | |
Conservation status | Not of concern | |
Sibling taxa | ||
Web links |