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

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V12 643-distribution-map.jpg

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

Discussion

Selected References

None.

Lower Taxa

None.

"alternating" is not a number."/5" is not declared as a valid unit of measurement for this property.

... more about "Oxalis caerulea"
5 cm50 mm <br />0.05 m <br /> - ? +
Guy L. Nesom +
- Small R. Knuth +
Ionoxalis caerulea +
subpalmate +  and pinnate +
- 3-5-7-nerved +
ellipsoid +
0.35 cm3.5 mm <br />0.0035 m <br /> - 0.6 cm6 mm <br />0.006 m <br /> +
taprooted +  and fibrous-rooted +
Blue wood-sorrel +
umbelliform +
Ariz. +, Colo. +, N.Mex. +, Mexico - Chihuahua +, Mexico - Durango +  and Mexico - Sonora +
- 1800–2000–2600 m. +
Streambeds, stream banks, meadows, pinyon-juniper, pine-oak-juniper, or pine-aspen woodlands. +
- 1-2-7-flowered +
axillary +  and terminal +
whorled +  and alternate +
green;green;purplish abaxially +
lobed +, obtriangular +  and obcordate +
0.5 cm5 mm <br />0.005 m <br /> - 2.2 cm22 mm <br />0.022 m <br /> +
rounded +
orange +  and black +
as few punctate tubercles +
red +  and pinkish lavender +
connate +  and distinct +
0.8 cm8 mm <br />0.008 m <br /> - 1 cm10 mm <br />0.01 m <br /> +
10 cm100 mm <br />0.1 m <br /> - 13 cm130 mm <br />0.13 m <br /> +
3 cm30 mm <br />0.03 m <br /> - 10 cm100 mm <br />0.1 m <br /> +
Flowering Jun–Sep. +
Notizbl. Bot. Gart. Berlin-Dahlem +
12 cm120 mm <br />0.12 m <br /> - 15 cm150 mm <br />0.15 m <br /> +
6 cm60 mm <br />0.06 m <br /> - 12 cm120 mm <br />0.12 m <br /> +
connate +  and distinct +
free +  and connate +
creeping +  and prostrate +
erect to decumbent +
distinct +
Bolboxalis +, Hesperoxalis +, Ionoxalis +, Lotoxalis +, Otoxalis +, Pseudoxalis +, Sassia +  and Xanthoxalis +
Oxalis caerulea +
species +
2 - ? +  and Few - ? +