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Solanum americanum

Common name: American Nightshade Family: Solanaceae
Author: Mill. Botanical references: 43
Synonyms: Solanum nodiflorum (Jacq.), Solanum caribaeum (Dunal.)
Known Hazards: Although no specific mention of the leaves being toxic has been seen for this species, it belongs to a genus where many if not all the members have poisonous leaves. The immature fruit is poisonous[173].
Range: S. America.
Habitat: Rocky or dry open woods, thickets, shores or openings, often on cultivated or waste ground[43].
Edibility Rating (1-5): 1Medicinal Rating (1-5):0

Other Possible Synonyms:From various places across the web, may not be correct. See below.
S. americanum auct. non[P] S. americanum var. nodiflorum[B,P] S. americanum var. patulum[B,P] S. fistulosum[B,P] S. hermannii[B,P] S. linnaeanum[B,P] S. nigrum[B] S. nigrum auct. non[P] S. nigrum var. americanum[B,P] S. nigrum var. virginicum[B,P] S. ptycanthum[G] S. ptychanthum[B,P] S. sodomeum[B] S. sodomeum auct. non[P]
Other Common Names:From various places around the Web, may not be correct. See below.
American Black Nightshade [L,P,B], Chichiquelite [S], Nightshade [P], Nightshade, White [S], West Indian Nightshade [B], White Nightshade [S],
Epithets:From a Dictionary of Botanical Epithets
canum = grayed due to hairs;
Systematics:From a USDA Plants Database
Order: Solanales. Potato family
Noxious, Invasive and Injurious WeedsFrom USDA PLANTS database, Weeds Australia , DEFRA Injurious Weeds
Listed as noxious/invasive for: USA Invasive.

Physical Characteristics

Annual growing to 1m. . The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. We rate it 1/5 for edibility and 0/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It requires moist soil.

Habitats and Possible Locations

Cultivated Beds.

Edible Uses

Fruit; Leaves.

Young leaves - cooked. The leaves contain about 6990mg of beta carotene per 100g[173]. Caution is advised, see the notes above on toxicity.
Fruit - cooked. It should be used only when fully ripe[173]. Caution is advised, see the notes above on toxicity.

Medicinal Uses

Disclaimer

None known

Other Uses

None known

Cultivation details

We have very little information on this species and do not know if it will succeed in Britain, though it should be possible to grow it as a spring-sown annual. The following notes are based on the general needs of the genus.
Succeeds in most soils[1].

Propagation

Seed - sow spring in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and plant them out after the last expected frosts.

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

References for Solanum nodiflorum (a possible synonym). References for Solanum ptycanthum (a possible synonym).
  • [G] Data (Common Names, Uses, Distribution) from the USDA/ARS NPGS's GRIN taxonomic database.
References for Solanum ptychanthum (a possible synonym).

References for the family Solanaceae.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[43] Fernald. M. L. Gray's Manual of Botany. American Book Co. 1950
A bit dated but good and concise flora of the eastern part of N. America.

[173] Crowe. A. Native Edible Plants of New Zealand. Hodder and Stoughton 1990 ISBN 0-340-508302
A very well written and illustrated book based on the authors own experiments with living on a native diet.


Readers Comments

Plant Passporting

Rich (michael@thewitchshaven.com) Wed Sep 26 16:58:15 2001

This information has been taken from DEFRA Guide to Plant Passporting. Which places restrictions on plants which can be traded in the UK and the EU mainly because they are carriers for pests and diseases.

Beta vulgaris (Beet), Chaenomeles (Ornamental quince, Japonica), Citrus (Orange, lemon, lime, grapefruit, etc.), Cotoneaster (Cotoneaster), Crataegus (Hawthorn), Cydonia (Quince), Eriobotrya (Includes loquat), Fortunella and hybrids (Kumquat), Humulus lupulus (Hop (including ornamentals)), Malus (Apple (including ornamentals)), Mespilus (Medlar), Poncirus and hybrids (Ornamental citrus), Prunus (other than Prunus laurocerasus and Prunus lusitanica) (Includes almond, apricot, cherry, damson, greengage, nectarine, peach, plum, sloe and ornamental/flowering varieties), Pyracantha (Firethorn), Pyrus (Pear (including ornamentals)), Solanum (stolon or tuber forming types) (Potato), Sorbus (other than Sorbus intermedia) (Includes rowan and whitebeam), Stranvaesia (Stranvaesia), Vitis (Grape, includes grape vine and ornamental grape).

Many other plants require pasporting for commercial growers, these include Abies, Allium ascalonicum, Allium cepa, Allium porrum, Allium schoenoprasum, Apium graveolens, Plants of the family Araceae, Argyranthemum, Aster, Brassica, Castanea, Capsicum annuum, Cucumis, Dendranthema, Dianthus and hybrids, Euphorbia, Exacum, Fragaria, Gerbera, Gypsophila, Helianthus annuus, Impatiens (all varieties of New Guinea hybrids), Lactuca, Larix, Leucanthemum, Lupinus, Lycopersicon lycopersicum, Plants of the family Marantaceae, Medicago sativa, Plants of the family Musaceae, Nicotiana, Pelargonium, Persea, Phaseolus, Picea, Pinus, Platanus, Populus, Prunus laurocerasus and Prunus lusitanica, Pseudotsuga, Quercus, Rubus, Plants of the family Solanaceae (other than plants of stolon or tuber forming species of Solanum and their hybrids), Solanum melongena, Spinacia, Plants of the family Strelitziaceae, Tanacetum, Tsuga, Verbena.

Cross references: Plants: Beta vulgaris, Humulus lupulus. Genera: Chaenomeles, Citrus, Cotoneaster, Crataegus, Cydonia, Eriobotrya, Fortunella, Malus, Mespilus, Poncirus, Prunus, Pyracantha, Pyrus, Solanum, Sorbus, Stranvaesia, Vitis.



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Bibliography

Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
WEB search engine by Rich Morris - Home Page- Contact Info
  Blagdon Cross, Ashwater, Beaworthy, Devon, EX21 5DF, UK.
Website: www.pfaf.org Phone: 0845 458 4719/_44(0) 1208 872963

This page (UK) http://www.comp.leeds.ac.uk/cgi-bin/pfaf/arr_html?Solanum+americanum
This page (US) http://www.ibiblio.org/pfaf/cgi-bin/arr_html?Solanum+americanum

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