Oryzopsis asperifolia Mountain Rice, Roughleaf ricegrass PFAF Plant Database

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Summary

Physical Characteristics

Oryzopsis asperifolia is a PERENNIAL growing to 0.5 m (1ft 8in). It is in flower from April to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind.
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

O. aspera.

Plant Habitats

Woodland Garden Sunny Edge; Cultivated Beds;

Edible Uses

Edible Parts: Seed
Edible Uses:

Seed - raw, cooked or ground into a meal. The seed is fairly large with a fine and abundant farina[2, 105], it can be ground into an excellent flour[85, 213]. A pleasant taste. The seed is difficult to harvest because it drops from the plant very easily[105].

References More on Edible Uses

Medicinal Uses

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None known

References More on Medicinal Uses

Other Uses

None known

Special Uses

References More on Other Uses

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 should succeed outdoors in most parts of the country. One report says that the plant has a relatively large seed and is deserving of more attention as a potential food crop[2]. The following notes are based on the general needs of the genus. Succeeds in any moderately fertile moisture retentive soil in full sun[200].

References Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Celsius Fahrenheit:

Plant Propagation

Seed - sow spring in situ[200]. We have had better results from sowing the seed in a greenhouse. Only just cover the seed and it should germinate freely within 2 weeks. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in early summer[K]. Division in spring. 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.

Other Names

If available other names are mentioned here

Native Range

Coming Soon

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 :

IUCN Red List

Related Plants

Latin Name	Common Name	Habit	Height	Hardiness	Growth	Soil	Shade	Moisture	Edible	Medicinal	Other

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.

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Expert comment

Author

Michx.

Botanical References

4360

Links / References

For a list of references used on this page please go here

Oryzopsis asperifolia - Michx.