This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Shrubs, with erect ascending or trailing branches, the nodes armed with simple or 3-forked spines, rarely spineless. Racemes 1-few-flowered. Pedicels not jointed. Hypan-thium evident. Fruit not disarticulating from the pedicel. [Ancient name of the gooseberry.]
About 55 species, natives of the north temperate zone. Besides the following, some 30 others occur in the western states. Type species: Ribes Grossularia L.
Ovary glabrous, pubescent, or with stalked glands.
Flowers white; filaments long.
Stamens equalling the petals.
Calyx-tube (hypanthium) tubular.
Calyx-tube (hypanthium) campanulate.
Stamens twice as long as the petals or longer.
Ovary glabrous or with some stalked glands.
Calyx-lobes twice as long as the tube.
Calyx-lobes about as long as the tube.
Ribes Cynosbati L. Sp. Pl. 202. 1753.
Grossularia Cynosbati Mill. Gard. Dict. Ed. 8, No. 5.
1768. Ribes Cynosbati glabratum Fernald, Rhodora 7: 156.
Nodal spines slender, solitary or sometimes 2-3 together, erect or spreading, 3"-6" long, or often wanting. Prickles of the branches few and weak or none; petioles 6"-18" long, slender, generally pubescent; leaflets nearly orbicular, 1'-2' broad, pubescent, at least when young, truncate or cordate at the base, deeply 3-5-lobed, the lobes crenate-dentate or incised; peduncles and pedicels slender; flowers 1-3, green, 3"-4" long; calyx-lobes oblong, shorter than the ovoid tube; stamens not exserted; berry 4"-6" in diameter, with few or many subulate prickles.