Oxytropis nigrescens
(Pall.) Fisch. ex DC.
Fabaceae
Aragallus bryophilus Greene
Astragalus bryophilus Greene
Astragalus nigrescens Pall.
Astragalus pygmaeus Pall.
Oxytropis arctica notabilis R.Br.
Oxytropis arctica uniflora Hook.
Oxytropis arctobia Bunge
Oxytropis bryophila (Greene) Jurtzev
Oxytropis coluteoides Vassilcz.
Oxytropis gorodkovii Jurtzev
Oxytropis pygmaea (Pall.) Fernald
Spiesia arctobia (Bunge) Kuntze
Spiesia nigrescens (Pall.) Kuntze
Common Name:
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 | |
Habit | Perennial |
Height | 0.08 m |
Pollinators | Insects |
Cultivation Status | Wild |
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.
].
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