Ribes oxyacanthoides var. cognatum

(Greene) Morin

J. Bot. Res. Inst. Texas 1: 1015. 2007,.

Common names: Umatilla gooseberry
Basionym: Ribes cognatum Greene Pittonia 3: 115. 1896
Synonyms: Grossularia cognata (Greene) Coville & Britton Ribes oxyacanthoides subsp. cognatum (Greene) 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 to moderately dense. Leaf blades 2.5–3.5(–4) cm, base truncate to cordate, surfaces sparsely to densely pubescent, ± glandular-puberulent, lobes oblong-rounded, margins with 5–9 crenate dentations. Peduncles 3–7 mm. Pedicels 1.5–5 mm, glabrous or stipitate-glandular and pilose. Flowers: hypanthium greenish white, narrowly tubular but constricted above ovary, 3.7–6 mm, finely pilose; sepals greenish white or ± pinkish, oblong, 4–6 mm, apex obtuse to rounded, finely pilose; petals whitish, oblong-oblanceolate, 2.2–3.5 mm, base cuneate, apex rounded, erose; filaments 1.7–2.5 mm; styles 7–8.5 mm. 2n = 16.


Phenology: Flowering Mar–May.
Habitat: Stream banks, lower hillsides, moist woods, thickets, forest openings
Elevation: 500-1500 m

Distribution

V8 80-distribution-map.gif

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

Discussion

Selected References

None.

Lower Taxa

None.
Nancy R. Morin +
(Greene) Morin +
Ribes cognatum +
Umatilla gooseberry +
B.C. +, Idaho +, Mont. +, Oreg. +  and Wash. +
500-1500 m +
Stream banks, lower hillsides, moist woods, thickets, forest openings +
Flowering Mar–May. +
J. Bot. Res. Inst. Texas +
Grossularia cognata +  and Ribes oxyacanthoides subsp. cognatum +
Ribes oxyacanthoides var. cognatum +
Ribes oxyacanthoides +
variety +