Ribes roezlii

Regel

Gartenflora 28: 226, plate 982, figs. 1–3. 1879 (as roezli) ,.

Common names: Sierra gooseberry
Endemic
Synonyms: Grossularia roezlii (Regel) Coville & Britton
Treatment appears in FNA Volume 8. Treatment on page 31. Mentioned on page 12, 29.

Plants 0.5–1.2 m. Stems erect, pubescent; spines at nodes 1–3, 4–8 mm; prickles on internodes absent. Leaves: petiole 0.6–1.8 cm, pubescent; blade roundish, 3–5-lobed, cleft 1/3–3/4 to midrib, 1.2–2.5 cm, base truncate to cordate, surfaces glabrous, softly ciliate, or puberulent or densely hoary-pubescent, not glandular abaxially, puberulent adaxially, lobes rounded, margins toothed, apex rounded. Inflorescences pendent, solitary flowers or 2-flowered racemes, 2–4 cm, axis short-pubescent, stipitate-glandular. Pedicels not jointed, 1–2 mm, pubescent, stipitate-glandular; bracts broadly ovate, 4–5 mm, pubescent, stipitate-glandular. Flowers: hypanthium maroon, narrowly tubular, 6 mm (1/2 as long as sepals), glabrous, puberulent, or densely hoary-pubescent, not stipitate-glandular; sepals not overlapping, reflexed, maroon, lanceolate, 7–10 mm; petals connivent, erect, white, oblong, inrolled, 3–5 mm; nectary disc not prominent; stamens 1.5–2 times as long as petals; filaments linear, 4–5 mm, glabrous; anthers maroon, lanceolate, somewhat sagittate, 3–4 mm, apex apiculate; ovary white-hairy and bristly, a few bristles gland-tipped; styles connate nearly to middle, 9–11 mm, glabrous. Berries palatable, purple, globose, 14–25 mm, pubescent, stipitate-glandular, longer hairs not gland-tipped, with long, stout, glandular or eglandular spines.

Discussion

Varieties 3 (3 in the flora).

Ribes roezlii occurs in the South Coast and North Coast ranges of California and adjacent Oregon and in the Sierra Nevada in California and adjacent Nevada.

Selected References

None.

Key

1 Leaf blades abaxially glabrous (except for soft ciliation); hypanthia and sepals glabrous. Ribes roezlii var. cruentum
1 Leaf blades abaxially puberulent or densely hoary-pubescent; hypanthia and sepals puberulent or densely hoary-pubescent > 2
2 Spines on berries without glands; leaf blades abaxially puberulent; hypanthia and sepals puberulent. Ribes roezlii var. roezlii
2 Spines on berries gland-tipped; leaf blades abaxially densely hoary-pubescent; hypanthia and sepals densely hoary-pubescent. Ribes roezlii var. amictum