Health Benefits

Traditional uses and benefits of Watermelon Berry

Streptopus amplexifolius commonly known as Watermelon berry, twisted stalk or clasping twisted stalk is a species of flowering plant in the Liliaceae (Lily family). The plant is native to North America (Greenland, northern United States including Alaska; and most of Canada including Yukon and Northwest Territories). It is also found in central and southern Europe (from Spain to Ukraine and as far north as Germany and Poland) and in eastern Asia (Japan, Korea, Myanmar (Burma) and eastern Russia (Yakutia, Amur, Kamchatka, Sakhalin, Kuril Islands, Khabarovsk, Primorye)). Some of the popular common names of the plant are Clasp twisted stalk, Clasping twisted stalk, Cucumber-root, Twisted stalk, Clasping-leaved twisted-stalk, Clasping twisted-stalk, Liver berry, White mandarin, clasp leaf twisted-stalk, watermelon berry, white twisted-stalk, Wild Cucumber, Tubercle twisted stalk, white twisted-stalk, root and scoot berry.

Streptopus is from the Greek word streptos which means twisted and podus which means foot, in reference to the bent or twisted penduncles. Specific epithet amplexifolius is from the Latin word amplexor which means to surround and folius means leaf. The name twisted stalk refers to the zig-zag stem, or to the strongly bent flower stalks. The plant is harvested from the wild for local use as a food, medicine and source of incense. It is sometimes grown as an ornamental.

Watermelon Berry Facts

Watermelon berry Quick Facts
Name: Watermelon berry
Scientific Name: Streptopus amplexifolius
Origin Temperate areas of North America, northern Europe, and Asia
Colors Light green to yellow-orange or red often becoming dark purple
Shapes Edible, oval to oblong shaped berries 10-12 mm long
Health benefits Support for stomach complaints, loss of appetite, spitting up of blood, kidney problems, gonorrhea and anorexia
Name Watermelon berry (Twisted Stalk)
Scientific Name Streptopus amplexifolius
Native North America (Greenland, northern United States including Alaska; and most of Canada including Yukon and Northwest Territories). It is also found in central and southern Europe (from Spain to Ukraine and as far north as Germany and Poland) and in eastern Asia (Japan, Korea, Myanmar (Burma) and eastern Russia (Yakutia, Amur, Kamchatka, Sakhalin, Kuril Islands, Khabarovsk, Primorye))
Common Names Clasp twisted stalk, Clasping twisted stalk, Cucumber-root, Twisted stalk, Clasping-leaved twisted-stalk, Clasping twisted-stalk, Liver berry, White mandarin, clasp leaf twisted-stalk, watermelon berry, white twisted-stalk, Wild Cucumber, Tubercle twisted stalk, white twisted-stalk, root, scoot berry
Name in Other Languages Bulgarian: Listoobkhvashtasht streptopus (листообхващащ стрептопус)
Catalan: Estrèptopus
Croatian: Obuhvatni čepnjak
Czech: Cípek objímavý
Danish: Bugtet fjeldkonval
English: Clasp twisted stalk, Clasping twistedstalk, Cucumber-root, Twisted stalk, Clasping-leaved twisted-stalk, Clasping twisted-stalk, Liverberry, White mandarin, claspleaf twisted-stalk, watermelon berry, white twisted-stalk
French: Streptope à feuilles embrassantes, Sceau-de-Salomon noueux, Streptope amplexicaule, Streptope blanc, laurier alexandrin des Alpes, streptope à feuilles amplexicaules, uvulaire
German: Stengelumfassender Knotenfuß, Drehfuß, Europa-Knotenfuß, Knotenfuß, Knotenstiel
Hungarian: Szárölelő nyelvcsap
Italian: Lauro alessandrino
Japanese: Oba-takeshima-ran (オオバタケシマラン)
Korean: Juk dae a jae bi (죽대아재비)
Polish: Liczydło górskie
Russian: Streptopus stebleob”yemlyushchiy (стрептопус стеблеобъемлющий)
Serbian: Oštrelj (оштрељ)
Slovak: Objímavka obyčajná      
Slovene: Navadni čepnjek
Swedish: Skruvrams
Ukrainian: Streptop listoobgortniy (Стрептоп листообгортний)
Upper Sorbian: Wobjimowaca babinka
Plant Growth Habit Herbaceous perennial plant
Growing Climates Wet sub-alpine woods, moist woods and thickets, rich moist coniferous and deciduous woods, shady mountain forests, stream sides, seepage areas, hummocks in swamps, alpine or subalpine zones, shores of rivers or lakes, avalanche tracks, clearings
Soil Grow in moist, humus-rich soil in partial shade
Plant Size Grows 20 to 39 inches (50 to 100 cm) in height
Stem Erect, 40– 120cm long and succulent in texture. The stems, freely branched, are bent at nodes, noticeably forming a zigzag pattern. The herbage ranges from glabrous to fairly pubescent with thick, rigid hairs on the lower third of the stems
Leaf leaves are alternate along the stems and are oval to oblong-lanceolate in shape with parallel venation. Leaves are glaucous beneath and the margins are either entire or minutely toothed. They measure 5-15 cm long and 3-7 cm wide
Flowering season May to July
Flower Flowers are white and greenish-tinged, bell-shaped (usually single), consisting of six bell-shaped tepals 9-15 mm long. Tepals are oblong-lanceolate, concavely tapering to long, pointed, spreading or bent-back tips. The 6 stamens are of unequal length, the innermost longer than the outer stamens. Each flower has one 3-chambered pistil
Fruit Shape & Size Edible, oval to oblong shaped berries 10-12 mm long
Fruit Color Light green to yellow-orange or red often becoming dark purple
Season September to October
Other Facts
  • The plant has been tied to the clothes, body or hair and used as a scent.

Plant Description

Watermelon berry (Twisted Stalk) is an herbaceous perennial plant producing a cluster of freely-branched stems from a thick, creeping rhizome. The pant normally grows about 20 to 39 inches (50 to 100 cm) in height. The plant is found growing in wet sub-alpine woods, moist woods and thickets, rich moist coniferous and deciduous woods, shady mountain forests, stream sides, seepage areas, hummocks in swamps, alpine or subalpine zones, shores of rivers or lakes, avalanche tracks and clearings. The plant grows in moist, humus-rich soil in partial shade.

Stem

The base of the leaf clasps the stem and the basal lobes nearly joined on the other side of the stem. The stem is hairless except sometimes at the base, freely branched, erect in the lower plant with branches widely spreading, and often zig-zags some between the alternately attached leaves.

Leaves

The leaves are alternate along the stems and are oval to oblong-lanceolate in shape with parallel venation. Leaves are glaucous beneath and the margins are either entire or minutely toothed. They measure 5-15 cm long and 3-7 cm wide. The stalk less leaves clasp the stem at their bases (Those of rosy twisted-stalk do not clasp the stem.). Basal leaves are lacking. The lower surface of the leaves have a dull grayish-green color covered in a waxy bloom.

Flower

The flowers droop from leaf axils, hanging on thin, sharply bent stalks from 9-15 mm long. The flower stalk is jointed and abruptly bent or kinked. They consist of a small gland at the bend.  Flowers are white and greenish-tinged, bell-shaped (usually single), consisting of six bell-shaped tepals 9-15 mm long. Tepals are oblong-lanceolate, concavely tapering to long, pointed, spreading or bent-back tips. The 6 stamens are of unequal length, the innermost longer than the outer stamens. Each flower has one 3-chambered pistil. The flowers are typically hidden under the leaves and may go unseen. Flower stalks are up to 2 inches long, wiry and bent or twisted.

Fruit

Fertile flowers are followed by edible, oval to oblong shaped berries 10-12 mm long.  The fruit ripens from light green to yellow-orange or red often becoming dark purple.  The fruit hangs on the sharply bent stalk. Seeds are several to many per berry.

The plant’s green shoots are also edible and are said to taste similar to cucumber when consumed raw.   The fruit is used in the preparation of soups and stews.  The tender young shoots can be eaten raw or cooked, however, consumption of large quantities is said to act as a laxative. Thus, the common name, ‘Scoot berries’.

Traditional uses and benefits of Watermelon berry

Uses for foraged watermelon berries

Watermelon berries can be eaten in most of the same ways as any other wild berry, but here are some ideas on how to use them. Just keep in mind that they’re juicy, don’t have a lot of color, and do contain noticeable amounts of seeds.

Syrups, jellies & jams

Watermelon berries are the kind of berry that you’ll want to strain before making syrups, jellies or jams; otherwise the seeds will likely be a nuisance. All three of those things would be delicious with watermelon berries, though.

Breads or baked products

I’ve heard that some people bake them directly into breads or wild berry muffins and the seeds aren’t as noticeable.

Fresh berry juice or frozen treats

If you can harvest enough berries, you can also make watermelon berry juice from them (strained, of course). And whenever you’ve got juice, you can freeze it into tasty fruit pops.

Salad mix-ins

If you have a few other salad ingredients, the seeds would be add a nice texture paired with a vinaigrette dressing.

Culinary Uses

References:

https://pfaf.org/user/plant.aspx?LatinName=Streptopus+amplexifolius

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=43044#null

https://gd.eppo.int/taxon/SRWAM

https://gobotany.nativeplanttrust.org/species/streptopus/amplexifolius/

http://www.theplantlist.org/tpl1.1/record/kew-287538

https://www.wnps.org/native-plant-directory/430:streptopus-amplexifolius

https://www.fs.fed.us/wildflowers/plant-of-the-week/streptopus_amplexifolius.shtml

https://en.wikipedia.org/wiki/Streptopus_amplexifolius

https://inaturalist.ca/taxa/79273-Streptopus-amplexifolius

https://plants.usda.gov/home/plantProfile?symbol=STAM2

https://www.minnesotawildflowers.info/flower/clasping-leaved-twisted-stalk

https://gobotany.nativeplanttrust.org/species/streptopus/amplexifolius/

http://temperate.theferns.info/plant/Streptopus+amplexifolius

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