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.
Nancy R. Morin +
Linnaeus +
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 +
Rock outcrops, gravelly streamsides and lakeshores, open forests, rocky slopes, sandy islands, raised beach ridges, coastal sand dunes +
Flowering May–Aug. +
Grossularia +
Ribes oxyacanthoides var. oxyacanthoides +
Ribes oxyacanthoides +
variety +