Oxalis caerulea

(Small) R. Knuth

Notizbl. Bot. Gart. Berlin-Dahlem 7: 316. 1919.

Common names: Blue wood-sorrel
Basionym: Ionoxalis caerulea Small in N. L. Britton et al., N. Amer. Fl. 25: 33. 1907
Treatment appears in FNA Volume 12. Treatment on page 148. Mentioned on page 135.

Herbs perennial, acaulous, rhizomes and stolons absent, bulb solitary; bulb scales (3–)5–7-nerved. Leaves basal; petiole 3–10(–13) cm; leaflets (3–)4(–5), green to purplish abaxially, green adaxially, obtriangular to obcordate, 5–22 mm, lobed 1/5–1/2 length, lobes apically rounded, surfaces glabrous, oxalate deposits absent or as few punctate tubercles near lobe apices. Inflorescences umbelliform cymes, (1–)2–7-flowered; scapes 6–12(–15) cm, glabrous. Flowers distylous; sepal apices with 2 orange, linear tubercles; petals red to pinkish lavender, 8–10 mm. Capsules ellipsoid, 3.5–6 mm, glabrous.


Phenology: Flowering Jun–Sep.
Habitat: Streambeds, stream banks, meadows, pinyon-juniper, pine-oak-juniper, or pine-aspen woodlands.
Elevation: (1800–)2000–2600 m.

Distribution

V12 643-distribution-map.jpg

Ariz., Colo., N.Mex., Mexico (Chihuahua, Durango, Sonora).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Oxalis caerulea"
Guy L. Nesom +
(Small) R. Knuth +
Ionoxalis caerulea +
Blue wood-sorrel +
Ariz. +, Colo. +, N.Mex. +, Mexico (Chihuahua +, Durango +  and Sonora). +
(1800–)2000–2600 m. +
Streambeds, stream banks, meadows, pinyon-juniper, pine-oak-juniper, or pine-aspen woodlands. +
Flowering Jun–Sep. +
Notizbl. Bot. Gart. Berlin-Dahlem +
Bolboxalis +, Hesperoxalis +, Ionoxalis +, Lotoxalis +, Otoxalis +, Pseudoxalis +, Sassia +  and Xanthoxalis +
Oxalis caerulea +
species +