Ribes oxyacanthoides var. oxyacanthoides

Endemic
Treatment appears in FNA Volume 8. Treatment on page 39.

Stems: spines at nodes 2–3; internodal prickles moderately dense. Leaf-blades 0.7–3.5 cm, base truncate or subcordate, abaxial surface densely pilose and often evenly glandular, lobes cuneate-rounded, margins irregularly crenate-dentate into prominent, unequal teeth. Peduncles 2–6 mm. Pedicels 2–5 mm, glabrous. Flowers: hypanthium greenish white to white, campanulate or short-tubular, 1.5–5.5 mm, glabrous; sepals greenish yellow, broadly to narrowly oblong-ovate, 2.5–5.5 mm, apex rounded, glabrous; petals white, obovate to oblong-obovate, 1–3.5 mm, base slightly cuneate, apex rounded, erose or at least crenate; filaments 0.5–3.5 mm; styles 5.5–8 mm.


Phenology: Flowering May–Aug.
Habitat: Rock outcrops, gravelly streamsides and lakeshores, open forests, rocky slopes, sandy islands, raised beach ridges, coastal sand dunes
Elevation: 200-1900 m

Distribution

V8 76-distribution-map.gif

Alta., B.C., Man., Nfld. and Labr. (Nfld.), N.W.T., Ont., Que., Sask., Yukon, Alaska, Mich., Minn., Mont., Nebr., N.Dak., S.Dak., Wis., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
oblong-oval +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +  and 0.13 cm1.3 mm <br />0.0013 m <br /> (?) +
Crenate (?) +  and Rounded (?) +
Nancy R. Morin +
Linnaeus +
puberulent +  and pilose +
cuneate;subcordate;truncate +
purplish black +, deep +, greenish purple +  and reddish +
0.7 cm7 mm <br />0.007 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
3-5(-7)-lobed;roundish;reniform +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
persistent +
glandular-ciliate +
ovate-deltate +
Alta. +, B.C. +, Man. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Mich. +, Minn. +, Mont. +, Nebr. +, N.Dak. +, S.Dak. +, Wis. +  and Wyo. +
200-1900 m +
not starchy +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Rock outcrops, gravelly streamsides and lakeshores, open forests, rocky slopes, sandy islands, raised beach ridges, coastal sand dunes +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.66 cm6.6 mm <br />0.0066 m <br />) +
greenish white +  and white +
free +  and adnate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
axillary +  and terminal +
sparse to dense +
cuneate-rounded +
greenish +, yellow +, purple +  and dark red +
2 +  and 3 +
crassinucellate +  and bitegmic +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
separated +  and connivent +
distinct +
inrolled +  and revolute +
0.1 cm1 mm <br />0.001 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glabrous +, glandular +, glandular-puberulent +, softly pubescent +  and sparsely densely pubescent or pilose +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering May–Aug. +
2-3(-4)-flowered +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
fusiform;oblong-ellipsoid or ellipsoid +
not overlapping +
greenish yellow +
reflexed +  and spreading to somewhat +
oblong-ovate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
0.22 cm2.2 mm <br />0.0022 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
distinct +, adnate +  and free +
antisepalous +
spreading +  and erect +
differentiated +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1/3 +  and 3/4 +
0.55 cm5.5 mm <br />0.0055 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
glabrous +, glabrate +, abaxially pilose +  and villous +
Grossularia +
Ribes oxyacanthoides var. oxyacanthoides +
Ribes oxyacanthoides +
variety +
unequal +