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Useful Temperate Plants

Oxytropis nigrescens

(Pall.) Fisch. ex DC.

Fabaceae

+ Synonyms

Oxytropis arctica uniflora Hook.

Oxytropis arctobia Bunge

Spiesia arctobia (Bunge) Kuntze

Aragallus bryophilus Greene

Astragalus bryophilus Greene

Astragalus nigrescens Pall.

Astragalus pygmaeus Pall.

Oxytropis bryophila (Greene) Jurtzev

Oxytropis coluteoides Vassilcz.

Oxytropis gorodkovii Jurtzev

Oxytropis pygmaea (Pall.) Fernald

Spiesia nigrescens (Pall.) Kuntze

Oxytropis arctica notabilis R.Br.

Common Name:

No Image.

General Information

Oxytropis nigrescens is a loosely-matted, clump-forming herbaceous perennial plant growing from a branched caudex; it can grow up to 8cm tall.
The plant is harvested from the wild for local use as a food.

Known Hazards

None known

Botanical References


Range

E. Asia - Russia (Siberia); N. America - Alaska, Yukon, Northwest Territory, northern British Colombia

Habitat

Rocky ledges, often among lichen and mosses, growing from Arctic shores and islands to montane regions.

Properties

Edibility Rating *
HabitPerennial
Height0.08 m
PollinatorsInsects
Cultivation StatusWild

Cultivation Details


Oxytropis species generally grow best in a very sunny position in a deep, well-drained, sandy or gritty soil[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Species with woolly leaves greatly resent winter wet[200[.
Many species in this genus are suitable as ornamentals, valued for their clusters of flowers and their attractive foliage. However, species often fail in cultivation, often because of a lack of an appropriate Rhizobium bacterium[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Members of this genus are generally resentful of root disturbance and, if the seed is not sown in situ, then seedlings need to be planted into their permanent positions as soon as possible[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
This species has a symbiotic relationship with certain soil bacteria; these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[
755
Title
Nodulation Plants in GRIN Taxonomy
Publication
 
Author
 
Website
http://www.ars-grin.gov/~sbmljw/cgi-bin/taxnodul.pl?language=en
Publisher
United States Department of Agriculture
Year
0
ISBN
 
Description
An online database listing plants that have either positive or negative reports on root and stem nodulation with nitrogen-fixing bacteria.
].

Edible Uses

Roots[
257
Title
Native American Ethnobotany
Publication
 
Author
Moerman. D.
Publisher
Timber Press. Oregon.
Year
1998
ISBN
0-88192-453-9
Description
Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
]. No further details are given, but caution is advised - see notes above on toxicity.

Medicinal

None known

Other Uses

None known

Propagation

Pre-soak the seed for 24 hours in warm water and then sow in a greenhouse in early spring. Prick out the seedlings into individual pots as soon as the cotyledons emerge in order to avoid damage to the root. Grow them on in deep pots in a cold greenhouse or cold frame, and plant them out the following spring[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2019-09-20. <temperate.theferns.info/plant/Oxytropis+nigrescens>

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