Polygonum yokusaianum
Polygonum yokusaianum
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Pl. B086 — Polygonum yokusaianum
Polygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianumPolygonum yokusaianum
IOverview
Overview
Polygonum yokusaianum is an annual forb or herb native to a wide range of East Asian and Southeast Asian regions including Assam, Bangladesh, China, Japan, Korea, Laos, Myanmar, Nepal, Taiwan, Thailand, Tibet, Vietnam, and parts of the Himalayas. This plant thrives in moist conditions with light (sandy), medium, or heavy clay soils, preferring a pH between 5.5 and 6.5. Known for its edible leaves and seeds, it is also valued for its ornamental qualities. One distinctive feature is its height of about 0.6 meters, making it an attractive addition to gardens while providing both aesthetic and culinary benefits.
Quick answers
What is Polygonum yokusaianum?
Polygonum yokusaianum is an annual forb or herb native to a wide range of East Asian and Southeast Asian regions including Assam, Bangladesh, China, Japan, Korea, Laos, Myanmar, Nepal, Taiwan, Thailand, Tibet, Vietnam, and parts of the Himalayas.
What is Polygonum yokusaianum used for?
Traditionally used for immune support, digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 2 evidence-ranked uses of Polygonum yokusaianum
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
2 claims · 0 sources
Benefits & evidence
2 claims · 0 sources- Polygonum species are traditionally used in Chinese medicine for immune support. A decoction of Polygonum yokusaianum may help maintain overall health and wellness.
The mechanism is not fully characterised but likely involves compounds that modulate the immune system, such as flavonoids and anthraquinones.
- Polygonum species are traditionally used in Chinese medicine for digestive issues, such as diarrhea and dysentery. A decoction of Polygonum yokusaianum may support gastrointestinal health.
The mechanism is not fully characterised but likely involves compounds that interact with the gut lining to regulate intestinal function.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Polygonum yokusaianum support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Polygonum yokusaianum thrives in moist conditions and prefers light to medium soil types with a pH between 5.5 and 6.5. It is an annual forb/herb that grows up to 0.6 meters tall. For best results, provide it with ample water and partial to full sunlight. The plant can be propagated through seeds or by dividing the roots. Given its native range in temperate regions, it should be hardy in similar climates. Harvest leaves and seeds for culinary use.
Light
7/10
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Annual
Habit
Forb/herb
Mature size
0.6 m tall
Soil pH
5.5–6.5
For first-time growers
How to grow Polygonum yokusaianum for the first time
7steps
Start with a simple planting of Polygonum yokusaianum to gain experience in growing herbs.
- 1
What you'll need
Seeds or young plants, potting soil, containers or garden space.
- 2
Best time to plant
Plant in spring after the last frost when temperatures are mild.
- 3
Soil and container prep
Use a well-draining potting mix with a pH between 5.5 and 6.5 for containers or amend garden soil accordingly.
- 4
Sowing or transplanting
Direct sow seeds in the ground or start them indoors about 4 weeks before planting outside, then transplant seedlings to their final location.
- 5
First two weeks
Water regularly to keep the soil moist but not waterlogged. Provide partial shade during this period.
- 6
Ongoing care
Water when the top inch of soil feels dry, and ensure good drainage. Fertilize lightly with a balanced plant food every few months.
- 7
Harvest or pruning
Prune back any leggy growth to encourage bushy foliage and remove dead leaves as needed for maintenance.
VIEdible & utility
Edible & utility
Edible parts:LeavesSeed
Edible uses: The leaves and seeds of Polygonum yokusaianum are edible. The leaves can be eaten raw or cooked, while the seeds are typically dried before consumption. This plant thrives in soils with a pH between 5.5 and 6.5.
Contextrange · companions · related
VIIDistribution
30 native · 0 introduced
Distribution
30 native · 0 introducedDistribution across3 continents· 30 native
Europe8 regions
native (8)AustriaBelgiumDenmarkGreeceIcelandRussiaSpainUnited Kingdom
Asia5 regions
native (5)BangladeshChinaIndiaPakistanTurkey
Africa3 regions
native (3)AlgeriaEthiopiaLibya
Broader regions
native:East Himalaya, Czechoslovakia, Manitoba, New York, Oklahoma, Oregon, Québec, Tennessee, Baltic States, Illinois, Colorado, Irkutsk
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family, common use cases, and growing requirements.
shared use cases
Different families, similar therapeutic role — good for comparing.
XI
Explore further
Companion planting
Health goals
Compare with similar plants
XII
About this entry
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- Citation
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