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FNA | Family List | FNA Vol. 8 | Grossulariaceae | Ribes

49c. Ribes oxyacanthoides Linnaeus var. irriguum (Douglas) Janczewski, Mém. Soc. Phys. Genève. 35: 388. 1907.

Ribes irriguum Douglas, Trans. Hort. Soc. London 7: 516. 1830; Grossularia irrigua (Douglas) Coville & Britton; R. oxyacanthoides subsp. irriguum (Douglas) Q. P. Sinnott

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.

Flowering Mar-Jun. Canyons, hillsides, moist forests, glades, thickets; 900-1600 m; B.C.; Idaho, Mont., Oreg., Wash.


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