Difference between revisions of "Ribes triste"

Revision as of 23:00, 16 December 2019

Plants 0.3–1 m. Stems straggling, ascending, or prostrate, glabrous or sparsely crisped-puberulent with scattered short-stipitate glands; spines at nodes absent; prickles on internodes absent. Leaves: petiole 3–6 cm, puberulent with stalked glands; blade pentagonal with nearly parallel sides, 3–5-lobed, cleft less than 1/2 to midrib, 2 middle sinuses deepest, to 8.5 cm, base broadly truncate to shallowly cordate, surfaces not glandular, ± hairy abaxially, glabrous adaxially, lateral lobes (directed forward), broadly triangular to ovate-triangular, margins coarsely bicrenate-dentate, apex acute. Inflorescences pendent, 6–13-flowered racemes, 3–5 cm, axis glabrous or sparsely pubescent, glands short-stipitate, flowers evenly spaced. Pedicels jointed, 1–4 mm, short stipitate-glandular; bracts ovate-orbiculate to oblong, 1.5–2 mm, stipitate-glandular. Flowers: hypanthium dark reddish purple or greenish white and strongly purplish-maculate or tinged, saucer-shaped, to 1 mm, glabrous; sepals with adjacent lobes overlapping, spreading, greenish purple, cuneate-rhombic, 2 mm; petals widely separated, erect, reddish purple, spatulate, not conspicuously revolute or inrolled, 1 mm; nectary disc prominent, reddish purple, 5-lobed, covering top of ovary; stamens nearly as long as petals; filaments linear, 0.2–0.5 mm, glabrous; anthers white, transversely oblong-cordate, 0.2–0.3 mm, apex shallowly notched (anther sacs almost adjacent); ovary glabrous; styles connate 1/3–3/4 their lengths, 1–1.2 mm, glabrous. Berries sour-tasting, red, ovoid, 6–10 mm, glabrous.

Phenology: Flowering May–Jul.
Habitat: Bogs, wet coniferous woods, coniferous hardwoods, stream banks, seepage areas, montane rock slides
Elevation: 0-1200 m

Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Conn., Idaho, Ill., Maine, Md., Mass., Mich., Minn., Mont., N.H., N.J., N.Y., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Vt., Wash., W.Va., Wis., Asia.

Discussion

Selected References

None.

Lower Taxa