| 1 |
Plants prickly. Flowers solitary |
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Ribes alpestre |
| + |
Plants without prickles. Flowers in racemes |
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(2) |
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| 2 (1) |
Flowers unisexual by abortion. Berries orange or red in colour |
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(3) |
| + |
Flowers bisexual. Berries black |
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(6) |
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| 3 (2) |
Stem glabrous or sparsely pubescent, not resinous glandular. Leaf lobes acute or acuminate. |
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Ribes glaciale |
| + |
Stem pubescent and resinous. Leaf lobes obtuse |
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(4) |
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| 4 (3) |
Leaves dorsally covered with glandular and stiff hairs. Flowers greenish or yellowish |
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Ribes orientale |
| + |
Leaves both dorsally and ventrally covered with sessile or stipitate glands. Flowers dark red or purplish |
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(5) |
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| 5 (4) |
Petals spathulate, obtuse. Plants 50-90 cm tall. |
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Ribes heterotrichum |
| + |
Petals suborbicular, slightly acute. Plants 1-2 m tall. |
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Ribes villosum |
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| 6 (2) |
Flowers golden yellow. Calyx tube 10-15 mm long |
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Ribes aureum |
| + |
Flowers greenish yellow. Calyx tube 2-5 mm long. |
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(7) |
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| 7 (6) |
Bracts shorter than the petals. Berries 5 mm in diameter. Plants not fragrant. |
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7 Ribes himalense |
| + |
Bracts longer than the petals. Berries up to 10 mm in diameter. Plants fragrant. |
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Ribes nigrum |
