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Summary
Physical Characteristics
Solanum jamesii is a PERENNIAL growing to 0.2 m (0ft 8in).
See above for USDA hardiness. It is hardy to UK zone 9 and is frost tender. 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 and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Root
Edible Uses:
Tubers - raw or cooked[22, 46, 61, 85, 105, 161]. The tubers are rich in starch but are quite small, averaging only about 3cm in diameter[85, 95]. The tubers range in size from a pea to a walnut[216]. There is a bitterness in the tuber, this is concentrated near the skin[85]. They can be stored for several months or can be sliced thinly, dried and ground into a powder for making bread etc[183, 257]. The Hopi Indians cook them or eat them raw with a saline clay in order to counteract the astringency and also use them in making yeast[183, 257]. The tubers are rather fiddly to harvest, apart from their small size they are also produced at the tips of roots, often at some distance from the parent plant[K].
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.
None known
References More on Medicinal Uses
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Other Uses
References More on Other Uses
Cultivation details
Succeeds in most soils[1]. Dislikes wet or heavy clay soils[16, 37]. Prefers a slightly acid soil, the tubers are subject to scab on limy soils or those deficient in humus. Yields best on a fertile soil rich in organic matter. Not very hardy in Britain, but plants can be grown as half-hardy perennials, the tubers being planted out in April and harvested in the autumn after the top growth has died down.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Seed - sow early spring in a warm greenhouse. Prick out the seedlings into a fairly rich compost as soon as they are large enough to handle and grow them on fast. Plant them out after the last expected frosts. Division. Harvest the tubers in autumn after the top-growth has been cut back by frost. Store the tubers in a cool frost-free place overwinter and replant in April.
Other Names
If available other names are mentioned here
Native Range
NORTHERN AMERICA: United States (Colorado (south), New Mexico (c. & w.), Texas, Arizona (north), Utah (http://www.nr.usu.edu/Geography-Department/utgeog/utvatlas/family/sola/soja.html)), Mexico (Chihuahua, Durango, San Luis Potosí, Sonora, Zacatecas, Querétaro)
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 |
| Solanum aethiopicum | Mock Tomato, Ethiopian nightshade | Shrub | 2.5 |
10-12
| | LMH | N | M | 3 | 2 | 2 |
| Solanum ajanhuiri | Ajanhuiri | Perennial | 0.0 |
9-11
| | LMH | SN | M | 2 | 0 | |
| Solanum americanum | American Nightshade, American black nightshade | Annual | 1.0 |
0-0
| | LMH | N | M | 1 | 0 | 0 |
| Solanum andigenum | Andigena | Perennial | 0.0 |
-
| | LMH | N | M | 2 | 0 | |
| Solanum aviculare | Kangaroo Apple, New Zealand nightshade | Shrub | 1.8 |
8-11
| | LMH | N | M | 2 | 2 | 2 |
| Solanum boreale | | Perennial | 0.0 |
-
| | LMH | N | M | 1 | 0 | |
| Solanum boyacense | | Perennial | 0.0 |
-
| | LMH | N | M | 1 | 0 | |
| Solanum cari | | Perennial | 0.0 |
-
| | LMH | SN | M | 1 | 0 | |
| Solanum carolinense | Horse Nettle, Carolina horsenettle | Perennial | 1.0 |
3-7
| | LMH | SN | M | 0 | 2 | 1 |
| Solanum chaucha | Chaucha | Perennial | 0.0 |
-
| | LMH | SN | M | 1 | 0 | |
| Solanum curtilobum | Rucki | Perennial | 0.0 |
-
| | LMH | SN | M | 2 | 0 | |
| Solanum dulcamara | Bittersweet. Bittersweet Nightshade, Climbing nightshade, Bittersweet, Deadly Nightshade, Poisonous | Perennial Climber | 2.5 |
4-8
| M | LMH | SN | M | 0 | 3 | 0 |
| Solanum fendleri | Wild Potato, Fendler's horsenettle, Texan horsenettle | Perennial | 0.0 |
0-0
| | LMH | N | M | 3 | 2 | |
| Solanum juzepczukii | Rucki | Perennial | 0.0 |
-
| | LMH | SN | M | 2 | 0 | |
| Solanum kurzii | | Perennial | 0.0 |
-
| | LMH | SN | M | 1 | 0 | |
| Solanum laciniatum | Kangaroo Apple | Shrub | 3.0 |
8-11
| | LMH | N | M | 2 | 2 | 2 |
| Solanum linearifolium | Mountain Kangaroo Apple | Shrub | 0.0 |
-
| | LMH | N | M | 2 | 0 | |
| Solanum liximitante | | Perennial | 0.0 |
-
| | LMH | SN | M | 1 | 0 | |
| Solanum luteum | | Annual | 0.0 |
-
| | LMH | SN | M | 1 | 0 | |
| Solanum lycopersicum | Tomato, Garden Tomato | Annual | 2.0 |
10-12
| F | LMH | N | M | 5 | 3 | 3 |
| Solanum lyratum | | Perennial Climber | 2.0 |
-
| | LMH | N | M | 1 | 2 | |
| Solanum maglia | | Perennial | 0.0 |
-
| | LMH | N | M | 2 | 0 | |
| Solanum melongena | Aubergine, Eggplant | Perennial | 1.0 |
8-11
| | LMH | N | M | 3 | 2 | |
| Solanum muricatum | Pepino | Shrub | 1.0 |
8-11
| | LMH | N | M | 4 | 0 | 0 |
| Solanum nigrum | Black Nightshade, Common Nightshade, Poisonberry, Black Nightshade | Annual | 0.6 |
0-0
| | LMH | N | DM | 2 | 2 | 2 |
| Solanum paniculatum | Jurubeba, Nightshade | Shrub | 2.0 |
10-12
| F | LMH | SN | M | 0 | 4 | 0 |
| Solanum phureja | Phureja, Nightshade | Perennial | 0.0 |
8-11
| | LMH | SN | M | 3 | 0 | |
| Solanum piliferum | | Perennial | 0.0 |
-
| | LMH | N | M | 2 | 0 | |
| Solanum pimpinellifolium | Currant Tomato | Annual/Biennial | 1.0 |
10-12
| F | LMH | N | M | 4 | 2 | 2 |
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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
Torr.
Botanical References
43200
Links / References
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