Ribes oxyacanthoides var. setosum

(Lindley) Dorn

Vasc. Pl. Wyoming, 297. 1988,.

Endemic
Basionym: Ribes setosum Lindley Trans. Hort. Soc. London 7: 243. 1830
Synonyms: Ribes oxyacanthoides subsp. setosum (Lindley) Q. P. Sinnott
Treatment appears in FNA Volume 8. Treatment on page 40. Mentioned on page 39.

Stems: spines at nodes 1–5; internodal prickles absent or sparse. Leaf-blades 2–3.5 cm, base deeply cordate, surfaces finely pubescent, often abaxially glandular-puberulent, adaxially glabrous or finely pubescent, lobes oblong-cuneate, margins with 3–7 (–9) irregular crenate dentations. Peduncles 3–6 mm. Pedicels 2–5 mm, villous. Flowers: hypanthium white, narrowly tubular, (3–) 3.5–5.5 (–6.6) mm, glabrous or with few scattered hairs; sepals greenish white to pinkish, elliptic-obovate, 3–5 mm, apex truncate, glabrous or with few scattered hairs; petals white to pinkish, obovate, 1.8–3 mm, base cuneate, apex rounded, slightly erose; filaments 1.3–3 mm; styles 6.5–8.5 (–9) mm. 2n = 16.


Phenology: Flowering Apr–Jul.
Habitat: Stream banks, rocky slopes
Elevation: 1500-2700 m

Distribution

V8 79-distribution-map.gif

Ont., Sask., Idaho, Mont., S.Dak., Utah, 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 /> (?) +
with few scattered hairs +  and glabrous +
rounded +
Nancy R. Morin +
(Lindley) Dorn +
puberulent +  and pilose +
cuneate;cordate +
Ribes setosum +
purplish black +, deep +, greenish purple +  and reddish +
globose +
0.7 cm7 mm <br />0.007 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
2 cm20 mm <br />0.02 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 +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Ont. +, Sask. +, Idaho +, Mont. +, S.Dak. +, Utah +  and Wyo. +
1500-2700 m +
not starchy +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Stream banks, rocky slopes +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.66 cm6.6 mm <br />0.0066 m <br />) +
free +  and adnate +
with few scattered hairs +  and glabrous +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
axillary +  and terminal +
sparse to dense +
triangular +  and pentangular +
oblong-cuneate +
greenish +, yellow +, purple +  and dark red +
1 +  and 5 +
crassinucellate +  and bitegmic +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
separated +  and connivent +
white +  and pinkish +
distinct +
obovate +
inrolled +  and revolute +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.3 cm3 mm <br />0.003 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 Apr–Jul. +
tubular +, campanulate +, cup-shaped +  and saucer--shaped +
Vasc. Pl. Wyoming, +
2-3(-4)-flowered +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
brown;black +
fusiform;oblong-ellipsoid or ellipsoid +
not overlapping +
greenish white +  and pinkish +
reflexed +  and spreading to somewhat +
elliptic-obovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 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 +
glabrate +  and puberulent +
differentiated +
0.85 cm8.5 mm <br />0.0085 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1/3 +  and 3/4 +
0.65 cm6.5 mm <br />0.0065 m <br /> (?) +  and 0.85 cm8.5 mm <br />0.0085 m <br /> (?) +
pubescent +, glabrous +  and glandular-puberulent +
Ribes oxyacanthoides subsp. setosum +
Ribes oxyacanthoides var. setosum +
Ribes oxyacanthoides +
variety +
unequal +