Oxalis suksdorfii

Trelease

Mem. Boston Soc. Nat. Hist. 4: 89. 1888.

Common names: Western yellow wood-sorrel
Endemic
Synonyms: Xanthoxalis suksdorfii (Trelease) Small
Treatment appears in FNA Volume 12. Treatment on page 145. Mentioned on page 137.
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Herbs perennial, caulescent, rhizomes present long, stolons absent, bulbs absent. Aerial stems 1 (–3) from base, mostly erect, 10–25 cm, herbaceous, sparsely to moderately villous, hairs nonseptate and usually septate. Leaves cauline; stipules rudimentary; petiole (2–) 3–5 (–6) cm, hairs septate and nonseptate; leaflets 3, green, obcordate, (8–) 10–16 (–20) mm, lobed 1/5–1/3 length, margins green, surfaces glabrous to sparsely strigose, oxalate deposits absent. Inflorescences umbelliform cymes, 1–3-flowered; peduncles (2–) 4–8 (–10) cm. Flowers tristylous, above level of leaves; sepal apices without tubercles; petals yellow, 12–20 mm. Capsules oblong-cylindric, 10–15 mm, densely puberulent. 2n = 24.


Phenology: Flowering May–Aug.
Habitat: Open woods, fir, Douglas fir-oak woodlands, dry shrublands, roadsides, disturbed areas.
Elevation: 0–700 m.

Distribution

V12 541-distribution-map.jpg

B.C., Calif., Oreg., Wash.

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."present" is not a number.

... more about "Oxalis suksdorfii"
5 cm50 mm <br />0.05 m <br /> (?) +
Guy L. Nesom +
Trelease +
subpalmate +  and pinnate +
oblong-cylindric +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
taprooted +  and fibrous-rooted +
Western yellow wood-sorrel +
umbelliform +
B.C. +, Calif. +, Oreg. +  and Wash. +
0–700 m. +
homostylous +  and distylous +
Open woods, fir, Douglas fir-oak woodlands, dry shrublands, roadsides, disturbed areas. +
axillary +  and terminal +
whorled +  and alternate +
1.6 cm16 mm <br />0.016 m <br /> (2 cm20 mm <br />0.02 m <br />) +
lobed +  and obcordate +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
orange +  and black +
8 cm80 mm <br />0.08 m <br /> (10 cm100 mm <br />0.1 m <br />) +
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
connate +  and distinct +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
5 cm50 mm <br />0.05 m <br /> (6 cm60 mm <br />0.06 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Flowering May–Aug. +
Mem. Boston Soc. Nat. Hist. +
connate +  and distinct +
free +  and connate +
creeping +  and prostrate +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
distinct +
glabrous;sparsely strigose +
Xanthoxalis suksdorfii +
Oxalis suksdorfii +
species +