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A. Cook and L. Tyrrell, 2002 http://public.fotki.com/bottomdollar/wildflowers_of_east/papaveraceae_--/polygonaceae_buckwh/p_alaskanum3.html |
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Summary
Physical Characteristics
Polygonum alaskanum is a PERENNIAL growing to 1.8 m (6ft). The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
P. phytolaccaefolium. Meisn.&Small.
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Leaves Seed Stem
Edible Uses: Drink
Leaves - raw or cooked[257]. They have an acid flavour and can be used as a sorrel substitute[74]. The chopped leaves and stems have been added to a thick pudding of flour and sugar then eaten[257]. Leaf stems - raw or cooked. An acid flavour, they can be cut into sections and used like rhubarb (Rheum spp)[257]. The juice from the plant has been sweetened and used as a refreshing drink[257]. Seed - raw or cooked. It is rather small and fiddly to utilize.
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Astringent Pectoral
The whole plant is astringent[74]. The raw roots and stem bases have been chewed as a treatment for coughs and colds[257].
References More on Medicinal Uses
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Other Uses
References More on Other Uses
Cultivation details
We have very little information on this species and do not know if it is hardy in Britain, though judging by its native range it should succeed outdoors in most parts of the country. It is quite possibly no more than a synonym for P. alpinum[257]. Although very closely related to P. alpinum, it is distinct[270]. The following notes are based on the general needs of the genus. Succeeds in an ordinary garden soil[1] but prefers a moisture retentive not too fertile soil in sun or part shade[200]. Repays generous treatment[1]. Plants seem to be immune to the predations of rabbits[233].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plant Propagation
Seed - sow spring in a cold frame. Germination is usually free and easy. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer if they have reached sufficient size. If not, overwinter them in a cold frame and plant them out the following spring after the last expected frosts. Division in spring or autumn. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: Russian Federation (Cukotskij avtonomnyj okrug) NORTHERN AMERICA: Canada (Yukon), United States (Alaska)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
| Related Plants
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| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Polygonum alpinum | Alpine Knotweed, Alaska wild rhubarb | Perennial | 1.0 |
4-8
| | LMH | SN | M | 2 | 1 | |
| Polygonum amphibium | Willow Grass, Water knotweed, Longroot smartweed, Water smartweed | Perennial | 0.3 |
4-8
| | LMH | SN | WeWa | 1 | 2 | 1 |
| Polygonum arenastrum | Small-Leaved Knotweed, Oval-leaf knotweed | Annual | 0.3 |
4-8
| | LMH | SN | M | 2 | 3 | 1 |
| Polygonum aviculare | Knotweed, Prostrate knotweed | Annual | 0.3 |
4-8
| | LMH | SN | M | 2 | 3 | 1 |
| Polygonum barbatum | Joint Weed | Perennial | 0.8 |
-
| | LMH | SN | M | 1 | 1 | |
| Polygonum bistorta | Bistort, Meadow bistort, Snakeweed | Perennial | 0.5 |
4-7
| F | LMH | SN | MWe | 3 | 3 | 2 |
| Polygonum bistortoides | American Bistort | Perennial | 0.5 |
4-8
| | LMH | SN | M | 3 | 1 | |
| Polygonum bungeanum | Bunge's smartweed | Annual | 0.8 |
0-0
| | LMH | SN | M | 1 | 0 | |
| Polygonum coccineum | Water Smartweed | Perennial | 0.5 |
4-8
| | LMH | SN | WeWa | 1 | 0 | |
| Polygonum conspicuum | | Perennial | 0.6 |
-
| | LMH | SN | M | 1 | 0 | |
| Polygonum convolvulus | Black Bindweed | Annual | 1.2 |
0-0
| | LMH | SN | M | 1 | 0 | 0 |
| Polygonum divaricatum | | Perennial | 1.0 |
-
| | LMH | SN | DM | 1 | 0 | |
| Polygonum douglasii | Knotweed, Douglas' knotweed, Austin knotweed, Engelmann's knotweed, Johnston's knotweed, Large kno | Annual | 0.3 |
0-0
| | LMH | SN | DM | 2 | 0 | |
| Polygonum dumetorum | Climbing false buckwheat | Annual | 1.8 |
0-0
| | LMH | SN | M | 1 | 1 | |
| Polygonum equisetiforme | | Perennial | 1.0 |
7-10
| | LMH | N | DM | 1 | 0 | 2 |
| Polygonum fugax | | Perennial | 0.0 |
-
| | LMH | SN | M | 3 | 0 | |
| Polygonum hydropiper | Smartweed, Marshpepper knotweed | Annual | 0.8 |
0-0
| | LMH | N | WeWa | 2 | 2 | 1 |
| Polygonum japonicum | Japanese Knotweed, Mexican Bamboo, Japanese Knotweed | Perennial | 3.0 |
4-10
| F | LMH | SN | M | 3 | 3 | 3 |
| Polygonum lapathifolium | Curlytop Knotweed | Annual | 0.8 |
4-8
| | LMH | SN | MWe | 1 | 1 | 1 |
| Polygonum limosum | | Perennial | 1.8 |
-
| | LMH | SN | M | 1 | 0 | |
| Polygonum longisetum | Oriental lady's thumb | Annual | 0.5 |
0-0
| | LMH | SN | MWe | 1 | 0 | |
| Polygonum maackianum | | Annual | 0.8 |
-
| | LMH | SN | MWe | 1 | 0 | |
| Polygonum manshuriense | Asian Bistort | Perennial | 0.8 |
-
| | LMH | SN | Mwe | 0 | 1 | |
| Polygonum microcephalum | | Perennial | 0.5 |
-
| | LMH | SN | M | 1 | 0 | |
| Polygonum minus | Pygmy smartweed | Annual | 0.3 |
0-0
| | LMH | SN | MWe | 1 | 0 | |
| Polygonum molle | | Perennial | 2.5 |
6-9
| F | LMH | SN | M | 2 | 1 | 2 |
| Polygonum multiflorum | He Shou Wu, Tuber fleeceflower | Perennial Climber | 4.5 |
6-9
| | LMH | SN | M | 2 | 3 | |
| Polygonum nepalense | Nepalese smartweed | Annual | 0.3 |
0-0
| | LMH | SN | MWe | 1 | 1 | 1 |
| Polygonum orientale | Prince's Feather, Kiss me over the garden gate | Annual | 1.5 |
0-0
| | LMH | SN | M | 2 | 2 | 0 |
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Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Wight. ex Harsh.
Botanical References
60270
Links / References
For a list of references used on this page please go here
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Subject : Polygonum alaskanum
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