Ribes oxyacanthoides var. irriguum

(Douglas) Janczewski

Mém. Soc. Phys. Genève 35: 388. 1907,.

Endemic
Basionym: Ribes irriguum Douglas Trans. Hort. Soc. London 7: 516. 1830
Synonyms: Grossularia irrigua (Douglas) Coville & Britton Ribes oxyacanthoides subsp. irriguum (Douglas) Q. P. Sinnott
Treatment appears in FNA Volume 8. Treatment on page 40. Mentioned on page 39.

Stems: spines at nodes 1(–3); internodal prickles absent or few. Leaf blades 2–3 cm, base truncate to cordate, surfaces finely pubescent or abaxially glabrous, lobes rounded, margins irregularly 1 or 2 times shallowly incised and crenate-serrate. Peduncles 6–15 mm. Pedicels 3–6 mm, glabrous. Flowers: hypanthium green, campanulate or short-tubular, 2–4 mm, glabrous; sepals pale greenish or with some reddish or purplish tinge at least near base, oblong, 4.5–5.5 mm, apex rounded to obtuse, glabrous; petals white or slightly pinkish, obovate, 2–3.5 mm, base cuneate, apex rounded, often erose; filaments 2–3.5 mm; styles 6.5–8 mm.


Phenology: Flowering Mar–Jun.
Habitat: Canyons, hillsides, moist forests, glades, thickets
Elevation: 900-1600 m

Distribution

V8 78-distribution-map.gif

B.C., Idaho, Mont., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
Nancy R. Morin +
(Douglas) Janczewski +
Ribes irriguum +
B.C. +, Idaho +, Mont. +, Oreg. +  and Wash. +
900-1600 m +
Canyons, hillsides, moist forests, glades, thickets +
Flowering Mar–Jun. +
Mém. Soc. Phys. Genève +
Grossularia irrigua +  and Ribes oxyacanthoides subsp. irriguum +
Ribes oxyacanthoides var. irriguum +
Ribes oxyacanthoides +
variety +