Flora of North America species comparison

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Oxalis suksdorfii

Suksdorf woodsorrel, Suksdorf's oxalis, Suksdorf's wood-sorrel, western yellow oxalis, western yellow wood-sorrel
Habit 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.

Oxalis suksdorfii
Phenology Flowering May–Aug.
Habitat Open woods, fir, Douglas fir-oak woodlands, dry shrublands, roadsides, disturbed areas.
Elevation 0–700 m. (0–2300 ft.)
Distribution
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 12, p. 145.
Parent taxa Oxalidaceae > Oxalis
Sibling taxa
O. albicans, O. articulata, O. bowiei, O. brasiliensis, O. caerulea, O. californica, O. colorea, O. corniculata, O. debilis, O. decaphylla, O. dichondrifolia, O. dillenii, O. drummondii, O. florida, O. frutescens, O. grandis, O. hirta, O. hispidula, O. illinoensis, O. incarnata, O. intermedia, O. latifolia, O. laxa, O. macrantha, O. metcalfei, O. montana, O. oregana, O. pes-caprae, O. pilosa, O. purpurea, O. stricta, O. texana, O. triangularis, O. trilliifolia, O. violacea
Synonyms Xanthoxalis suksdorfii
Name authority Trelease: Mem. Boston Soc. Nat. Hist. 4: 89. (1888)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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