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Yucca_angustissima - Engelm. ex Trevir.

Common Name Narrowleaf yucca, Kanab yucca, Toft's yucca, Yucca
Family Agavaceae
USDA hardiness 4-9
Known Hazards The roots contain saponins[222]. Whilst saponins are quite toxic to people, they are poorly absorbed by the body and so tend to pass straight through. They are also destroyed by prolonged heat, such as slow baking in an oven. Saponins are found in many common foods such as beans[K]. Saponins are much more toxic to some creatures, such as fish, and hunting tribes have traditionally put large quantities of them in streams, lakes etc in order to stupefy or kill the fish[K].
Habitats Sandy places, sandstone outcrops, rocky hillsides of deserts at elevations of 900 - 2200 metres in Arizona, New Mexico and Utah[270].
Range South-western N. America.
Edibility Rating    (3 of 5)
Other Uses    (4 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care
Frost Hardy Well drained soil Moist Soil Semi-shade Full sun
Yucca_angustissima Narrowleaf yucca, Kanab yucca, Toft


de.wikipedia.org/wiki/Benutzer:Rebou
Yucca_angustissima Narrowleaf yucca, Kanab yucca, Toft
de.wikipedia.org/wiki/Benutzer:Rebou

 

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Summary

Bloom Color: White. Main Bloom Time: Early summer, Early spring, Late summer, Late spring, Mid summer, Mid spring. Form: Upright or erect.


Physical Characteristics

 icon of manicon of shrub
Yucca_angustissima is an evergreen Shrub growing to 0.4 m (1ft 4in) at a slow rate.
It is hardy to zone (UK) 8. It is in leaf all year, in flower from June to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Hand.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

Synonyms

Habitats

Edible Uses

Fruit - the immature fruit is cooked[85]. Baked in an oven[216]. A bitter taste, the bitterness is in the skin[85]. The fruit is about 6cm long and 2.5cm wide[200]. Flowers - raw or cooked. They are delicious raw, or can be dried, crushed and used as a flavouring[85]. Flowering stem - peeled, cooked and used like asparagus. The whitish inner portion is used[85].

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

Other Uses

A fibre obtained from the leaves is used for making ropes, baskets and mats[85]. The leaves are very fibrous and can be used as paint brushes[92] or as a broom or woven to make mats etc[85]. They are also used in basketry[216]. The roots are rich in saponins and can be used as a soap substitute[85, 216].

Cultivation details

Landscape Uses:Border, Massing, Specimen. Thrives in any soil but prefers a sandy loam and full exposure to the south[11]. Plants can succeed in light shade[K]. They are hardier when grown on poor sandy soils[200]. Established plants are very drought resistant, this species is also tolerant of damp weather[11]. Plants are not hardy in the colder areas of the country, they tolerate temperatures down to about -10° if in a suitable location[11, 200]. Closely allied to Y. glauca[11]. The plant has a thick prostrate rootstock[11]. In the plants native environment, its flowers can only be pollinated by a certain species of moth. This moth cannot live in Britain and, if fruit and seed is required, hand pollination is necessary. This can be quite easily and successfully done using something like a small paint brush. Individual crowns are monocarpic, dying after flowering[233]. However, the crown will usually produce a number of sideshoots before it dies and these will grow on to flower in later years[233]. Plants in this genus are notably resistant to honey fungus[200]. Members of this genus seem to be immune to the predations of rabbits[233]. Special Features:North American native, Fragrant flowers, Attractive flowers or blooms.

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Propagation

Seed - sow spring in a greenhouse. Pre-soaking the seed for 24 hours in warm water may reduce the germination time. It usually germinates within 1 - 12 months if kept at a temperature of 20°c. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse or cold frame for at least their first two winters. Plant them out into their permanent positions in early summer and consider giving them some winter protection for at least their first winter outdoors - a simple pane of glass is usually sufficient[K]. Seed is not produced in Britain unless the flowers are hand pollinated. Root cuttings in late winter or early spring. Lift in April/May and remove small buds from base of stem and rhizomes. Dip in dry wood ashes to stop any bleeding and plant in a sandy soil in pots in a greenhouse until established[78].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Australia, North America, USA,

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
Latin NameCommon NameEdibility RatingMedicinal Rating
Yucca angustissimaNarrowleaf yucca, Kanab yucca, Toft's yucca, Yucca30

 

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Expert comment

Author

Engelm. ex Trevir.

Botanical References

11200270

Links / References

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