Thursday, September 28, 2017

Bullaces

Bullace (Prunus domestica ssp. institia)




Bullaces, along with damson and sometimes other smallish plums such as gages and mirabelles, have been called Prunus institia, or (which I think is better) Prunus domestica ssp. institia

There seems to be no definite botanically-acceptable distinction between damson and bullace. But generally you more often hear of damsons in a garden context than a hedgerow context.

In 2015 the subject was discussed on the Facebook Wild Flower Group. The following ID tips come mostly from Richard JD Smith and Richard Collingridge.

P1 .Cherry-plum (P. cerasifera)
Small tree or shrub
Fruit round, ripens early (the earliest plum), sweet-tasting; purple, red, orange, yellow, white.
New growth twigs are usually green (the others are purplish).
Flowers, earliest, with the leaves. Sepals reflexed. Longer flower-stalks and petals than P2.

P2. Blackthorn/Sloe (P. spinosa)
Usually a shrub, rarely a small tree
Thorns
More fruits in a cluster than P3 or P4
Fruits small, globose, extremely astringent (skin) and sour (flesh). Black-purple (may look blue because of bloom)
Fruit-stones not or scarcely flattened
Flowers, later than P1, before leaves. Sepals not reflexed, flower-stalks and petals shorter than P2.

P3. Bullace (P. domestica ssp. institia, var "Bullace")
Shrub or small tree
Usually not or scarcely thorned, but sometimes thorny.
Fruits less in a cluster than P2
Fruit variable but usually larger than P2 (typically about double the diameter); smaller than P4. Globose. Sweeter than P2, but skin may still be astringent. Ripe late August / early September. Black-purple, also yellow-to-reddish (e.g. "Shepherd's Bullace")
Fruit-stone more flattened than P2.
Upper leaf shiny
Twigs hairy
Flowers, slightly later than P2, with leaves. (Can be recognized as a wave of blossom on taller growth, just as P2 blossom moves past its best.)

P4. Damson (P. domestica ssp. institia, var "Damson")
Small tree
Rarely with any thorns
Fruit a week or two earlier than P3, larger and more oval than P3. Sweet flesh, flattened stones. Purple.
Upper leaf not shiny
Twigs not hairy
Flowers, slightly later than P2, with leaves.     ]


[Incidentally, there are some botanists who reserve the name "Bullace" for the few garden varieties sold under that name. They call all the wildings "Wild Plum", a name that I would use only for wild specimens (e.g. orchard relics) of Prunus domestica ssp. domestica : large fruits, flattened stones and hairless twigs.]


Bullaces, mixed up with honeysuckle.










Bullaces, showing a couple of thorns


Bullaces are a common plant around Frome. (And probably everywhere else round here: I noticed huge quantities in Southwick Country Park, just over the Wiltshire border.) In April there's a wave of bullace blossom that appears just as the blackthorn blossom begins to fade. The greater height and the freshness of the blossom means you can pick it out from a distance. Then you can see just how much there is! 

Young bullace plants often spring up as weeds in gardens and are then grubbed out.

The local Frome folk-belief is that these unwelcome garden incomers are a sort of worthless cherry unique to the Frome area and they never produce any fruit. That is wrong on all counts.

It's true that the plants that spring up in gardens are never allowed to grow big enough to produce fruit. (Except in Laura's.)

But the fruit is a common sight in local hedges and thickets. For example, there's a fine harvest to be gathered next to Halfords on the local trading estate.

It's possible to eat bullaces raw as a survival food. You could even get to like them. They are a bit sour,  but are much more palatable than sloes.

The best way to eat them is as a jam, with some extra sugar. Bullace jam has the same virtues as damson jam. Some people say it's even better! 

The tedious challenge with bullaces is removing the stones. The stones are small and pitted, and the flesh does not come away from them cleanly. They float out during cooking, eventually.

I discovered by chance that if you freeze bullaces, then defrost them, the stones come out easily. Bullace pie beckoned, but in the end I never baked one; the small sourish plums were too perfect as a topping for my morning granola!





Bullaces / Woodbine






Unripe bullace fruits. Southwick Country Park, 4 August 2020.

Small bullace fruits. Swindon, 27 August 2020.










Damson fruits. Frome, 22 August 2020.



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