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Physalis acutifolia

Common name: Sharp-Leaf Ground Cherry Family: Solanaceae
Author: (Miers.)Sandwich. Botanical references: 170
Synonyms:  
Known Hazards: Although no specific mention has been seen for this species, it belongs to a genus where many of the members have poisonous leaves and stems, though the full ripe fruits are usually edible[19, 65].
Range: South-western N. America.
Habitat: A weed species found in agricultural land and disturbed soils from sea level to elevations of 220 metres in California[276].
Edibility Rating (1-5): 2Medicinal Rating (1-5):0

Other Possible Synonyms:From various places across the web, may not be correct. See below.
P. wrightii[B,G,P] Physaria acutifolia[B,G,P] Saracha acutifolia[G]
Other Common Names:From various places around the Web, may not be correct. See below.
Sharp-leaf Ground-cherry [B], Sharp-leaf Twinpod [B], Sharpleaf Groundcherry [P], Sharpleaf Twinpod [P],
Epithets:From a Dictionary of Botanical Epithets
acutifolia = pointed leaves
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. It is frost tender. The flowers are hermaphrodite (have both male and female organs). We rate it 2/5 for edibility and 0/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Habitats and Possible Locations

Cultivated Beds.

Edible Uses

Fruit.

Fruit - raw or cooked[170, 257]. The plant conveniently wraps up each fruit in its own paper bag to protect it from pests and the elements.

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 be hardy in Britain, though judging by its native range it could succeed outdoors at least in the milder parts of this country. We are not sure if this species is an annual or perennial, but it should be possible to treat it as an annual, sowing the seed in early spring in a warm greenhouse and planting out after the last expected frosts[K]. The following notes are based on the general needs of the genus.
Succeeds in any well-drained soil in full sun or light shade[111, 200].

Propagation

Seed - sow March/April in a greenhouse only just covering the seed. Germination usually takes place quickly and freely. Prick out the seedlings into individual pots of fairly rich soil when they are large enough to handle and plant them out after the last expected frosts. Consider giving them some protection such as a cloche until they are growing away well. Diurnal temperature fluctuations assist germination[170].
Division in spring[111]. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
Basal cuttings in early summer[111]. Harvest the shoots with plenty of underground stem when they are about 8 - 10cm above the ground. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.

Suppliers

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

Web References

References for Physaria acutifolia (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

[K] Ken Fern
Notes from observations, tasting etc at Plants For A Future and on field trips.

[19] Stary. F. Poisonous Plants. Hamlyn 1983 ISBN 0-600-35666-3
Not very comprehensive, but easy reading.

[65] Frohne. D. and Pfänder. J. A Colour Atlas of Poisonous Plants. Wolfe 1984 ISBN 0723408394
Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.

[111] Sanders. T. W. Popular Hardy Perennials. Collingridge 1926
A fairly wide range of perennial plants that can be grown in Britain and how to grow them.

[170] Dremann. C. G. Ground Cherries, Husk Tomatoes and Tomatilloes. Redwood City Seed Co 1985 ISBN 0-933421-03-6
Only a small booklet but it covers the various species in some depth.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[257] Moerman. D. Native American Ethnobotany Timber Press. Oregon. 1998 ISBN 0-88192-453-9
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.


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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
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