17.
Ribes cereum
Douglas, Trans. Hort. Soc. London. 7: 512. 1830.
Plants
0.2-2 m.
Stems
spreading or arching to erect, puberulent, sparsely to copiously stipitate-glandular; spines at nodes absent; prickles on internodes absent.
Leaves:
petiole (0.3-) 0.6-1.2(-2.8) cm, glabrous or finely to copiously pubescent; blade almost reniform to broadly cuneate-flabellate, 3-5(-7)-lobed, shallowly cleft, (0.5-) 1-2(-4) cm, base cordate to truncate, surfaces glabrous or copiously pubescent, sparsely stipitate-glandular to downy to conspicuously stipitate-glandular and sessile-glandular, particularly noticeable on margins, lobes rounded, margins coarsely crenate-dentate, apex obtuse.
Inflorescences
pendent, solitary flowers or 2-8(-9)-flowered racemes, 1-3 cm, axis finely pubescent, ± sticky with short-stalked to subsessile glands, flowers tightly clustered at end of peduncle.
Pedicels
jointed, (0.4-) 1-2.2(-3.4) mm, puberulent; bracts flabellate or ovate to obovate, 3-7(-8.8) mm, pubescent, stipitate-glandular.
Flowers:
hypanthium white to greenish white with pink tinge, or pinkish white, narrowly tubular, tube widest at base and near throat, 5-9(-9.4) mm, densely hairy and scattered stipitate-glandular abaxially, glabrous adaxially; sepals not overlapping, spreading-recurved, greenish white to white or faintly to strongly pinkish tinged, deltate-ovate, 1-3.2 mm; petals connivent, erect, white to pink, orbiculate or flabellate, not conspicuously revolute or inrolled, 1-2.1 mm; nectary disc not prominent; stamens shorter than petals, (inserted below petals and completely included in hypanthium tube); filaments linear, 0.5-1.6 mm, glabrous; anthers pale cream-yellow to yellow, oval, 0.6-1.2 mm, apex with small, cup-shaped gland; ovary glabrous or hairy or sparsely to densely pubescent; styles connate nearly to stigmas, 7.5-11.5 mm, proximally hairy or glabrous.
Berries
tasteless, dull to bright red or orange-red, ovoid, 5-12 mm, sparsely glandular to glandular.
2
n
= 16.
Varieties 2 (2 in the flora): w North America.
Ribes cereum
has a notably spicy odor. The bright green style, which becomes brown with age, is striking.
