| Navy | The Royal Navy |
| Type | Corvette |
| Class | Flower |
| Pennant | K 55 |
| Built by | Harland & Wolff Ltd. (Belfast, Northern Ireland) |
| Ordered | 19 Sep 1939 |
| Laid down | 30 Oct 1939 |
| Launched | 24 Feb 1940 |
| Commissioned | 8 Apr 1940 |
| End service | 15 Mar 1942 |
| History | Ordered for French Navy but served in the Royal Navy as HMS Periwinkle. |
| Career notes | To the United States Navy as USS Restless. |
Commands listed for HMS Periwinkle (K 55)
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| Commander | From | To | |
| 1 | Lt.Cdr. Henry Row, RNR | 14 Mar 1940 | 18 Sep 1940 |
| 2 | Lt.Cdr. Peter Graeme MacIver, RNR | 18 Sep 1940 | early 1942 |
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Notable events involving Periwinkle include:
25 Aug 1940
HMS Periwinkle (Lt.Cdr. H. Row, RNR) picks up 16 survivors from the Panamanian merchant Tuira that was torpedoed and sunk by German U-boat UA about 280 miles southwest of Rockall in position 54°46'N, 20°30'W.
9 Oct 1940
HMS Periwinkle (Lt.Cdr. P.G. MacIver, RNR) picks up 31 survivors from the British merchant Confield that was torpedoed and sunk by German U-boat U-58 about 90 miles west of Barra Head in position 56°48'N, 10°17'W.
2 Jun 1941
German U-boat U-147 torpedoed and sank the Belgian merchant ship Mokambo in position 56°38'N 10°24'W. In the follow-up attack by the convoy escort the Royal Navy destroyer HMS Wanderer (Cdr. A.F.St.G. Orpen, RN) and the corvette HMS Periwinkle (Lt.Cdr. P.G. MacIver, RN) depth charged the U-147 to destruction.
26 Sep 1941
HMS Perwinkle (Lt.Cdr. P.G. MacIver, RNR) picks up 40 survivors from the British merchant Avoceta that was torpedoed and sunk by German U-boat U-203 in the North Atlantic north of the Azores in position 47°57'N, 24°05'W.
27 Sep 1941
HMS Perwinkle (Lt.Cdr. P.G. MacIver, RNR) picks up survivors from the British fighter catapult ship HMS Springbank that was torpedoed and sunk by German U-boat U-201 in convoy HG-73 north-north-east of the Azores in position 49°09'N, 20°10'W.