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Useful Temperate Plants

Psorothamnus spinosus

(A.Gray) Barneby

Fabaceae

+ Synonyms

Asagraea spinosa (A.Gray) Baill.

Dalea spinosa A.Gray

Parosela spinosa (A.Gray) A.Heller

Psorodendron spinosum (A.Gray) Rydb.

Common Name:

No Image.

General Information

Psorothamnus spinosus is a spiny shrub or a small, round-headed tree, usually floweing as a bushy shrub when around 1.5 metres tall but eventually reaching 7 metres, exceptionally to 10 metres. One to a few main trunks up to 10cm in diameter are formed[
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
].
The plant is harvested from the wild for local use as a source of wood.

Known Hazards

None known

Botanical References

1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea

Range

Southwestern N. America - Nevada, southern California, Arizona, northern Mexico (Baja Norte, northern Sonora)

Habitat

Sandy and rocky washes amongst Larrea scrub; usually at elevations below 240 metres, but up to 430 metres in the south of its range[
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
].

Properties

Other Uses Rating *  *  *
HabitDeciduous Tree
Height7.00 m
Growth RateMedium
PollinatorsInsects
Cultivation StatusWild

Cultivation Details

Psorothamnus spinosus is native to the semi-arid and arid regions of southwestern N. America.

The adult plant only produces leaves after rain has fallen in the cool season. These leaves are small and do not remain more than 3 months - the tree is leafless for most of the year, photosynthesis being carried out by the young, green shoots of the current years growth[
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
].
The tree is fast growing and short-lived (especially considering its arid environment), reaching full size in just a few years and perishing early[
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
].
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[
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.
].

Edible Uses

None known

Medicinal

None known

Other Uses

The brownish-grey heartwood is conspicuously variegated with brown stripes. The wood is hard and close-grained. An attractive wood that is easy to work and finishes well, it is considered to be desirable for decorative articles but is usually only available in small amounts[
1309
Title
The Leguminosae; A Source Book of Characteristics, Uses and Nodulation
Publication
 
Author
Allen O.N.; Allen E.K.
Publisher
University of Wisconsin
Year
1981
ISBN
0-333-32221-5
Description
An amazing and comprehensive work, giving a brief guide to the many genera of the family Fabaceae and also the principle uses of the genus.
,
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
].
The wood is used for fuel, burning well and giving off an aromatic smoke[
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
].

Propagation

Seed - it has a hard seedcoat and benefits from scarification before sowing in order to speed up and improve germination[
1359
Title
Daleae Imagines; An Illustrated Revision of ERRAZURIZIA Philippi, PSOROTHAMNUS Rydberg, MARINA Liebmann, and DALEA L
Publication
Memoirs of the New York Botanical Garden Vol 27 pp 1 - 892, 1977
Author
Barneby R.C.
Publisher
The New York Botanical Garden, Bronx, New York
Year
1977
ISBN
0-89327-001-6
Description
A very detailed treatment of the genera Errazurizia, Psorothamnus, Marina and Dalea
]. This can usually be done by pouring a small amount of nearly boiling water on the seeds (being careful not to cook them!) and then soaking them for 12 - 24 hours in warm water. By this time they should have imbibed moisture and swollen - if they have not, then carefully make a nick in the seedcoat (being careful not to damage the embryo) and soak for a further 12 hours before sowing.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2019-12-08. <temperate.theferns.info/plant/Psorothamnus+spinosus>

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