Gooseberries & Currants (Ribes)

Group I. Fls solitary or in small corymbiform clusters of 2-4; pedicels not articulate at the summit; hypanthium

..... bristly parts include calyx & branches branches w/ thorns
2)stamens at maturity evidently longer than the seps ..... round-leaved g.b. (2.rotundifolium = round-leaved) greenish-purple fls; rocky upland woods; MA & NY to w NC
2) stamens at maturity equaling or shorter than the seps ..... .....
4) hypanthium above the ovary campanulate to cupulate above a rounded base ..... .....
5) stamens as long as the pet, shorther than the oblong sep; native prickly g.b. (3.cynosbati = dogberry) green fls; moist woods; QE to n GA .....
5) stamens as long as the round-obovate sep; rarely escaped ..... garden g.b. (4.uva-crispi = crisp graper) stems w/ stout nodal spines; Old World, occ escape
4) hypanthium above the ovary obconic to cylindric; stamens well surpassing the pet, ca equaling the seps ..... smooth g.b. (6.hirtellum = bristly) greenish-purple fls; rocky woods & cliffs; NF to NY, PA

Group II. Fls racemose; pedicels articulat at the summit at maturity; hypanthium above the ovary saucer-shaped to tubular; plants (except R. lacustre) unarmed

..... bristly parts:      
..... calyx only calyx & branches lvs w/o glands lvs dotted w/ shining resinous glands
7) ovary & fr bristly w/ glandular hairs; stems spiny; pet broadly flabellate to half-orbicular ..... bristly black currant (7.lacustre = of lakes) green or purplish; stems spiny; swamps & wet woods; s to PA ..... .....
7) ovary & fr not bristly (sessile resinous glands may be present) ..... ..... ..... .....
9) lvs dotted with shining resinous glands beneath; fr black ..... ..... ..... .....
10) pedicels much longer than the minute bracts; cal densely hair outside ..... ..... ..... garden black c. (9.nigrum = black, the fr) seps greenish- purplish within; occ Eurasian escape
10) pedicels much shorter than the conspicuous bracts; cal not very hairy ..... ..... ..... e. black currant (11lamericanum) seps greenish-white or yellowish; moist woods; s to DE
9) lvs without glands beneath ..... ..... ..... .....
12) fls yellowish-green to dull purple; hypanthium saucer-shaped; fr red ..... ..... ..... .....
13) anther sacs almost adjacent; lateral lf-lobed directed foraward; native ..... ..... swamp red currant (12.triste = dull-colored) seps greenish-purple; bogs 7 wet woods; s to NJ .....
13) anther-sacs separated by a connective as broad as the sac; lateral lf-lobes spreading; cult and sometimes escaped ..... ..... garden redcurrant (13.sativum = cultivated) greenish; occ Eurasian escape .....