Allium acuminatum

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Allium acuminatum Hook.

Alliaceae

Life form: bulb or tuber

Exposure: sun   6

Moisture: dry bis Moisture: moderately moist

Soil: sandy loam - Soil: gritty loam - Soil: sandy clay

Arrangement: basal
Leaves: decidious

Shape: linear

Division: simple

Shape: campanulate
Fruit: loculicidal capsule

63B / b8285f 

Inflorescence: umbel

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Liliopsida
Subclassis:
Liliidae
Superordo:
Lilianae
Ordo:
Amaryllidales

Allium acuminatum belongs to the group of bulbous and tuberous plants.

Naming

Allium acuminatum was described by William Jackson Hooker. The name is considered as validly published.

Taxonomy

Allium acuminatum is a species in the genus Allium which contains approximately 943 to 1011 species and belongs to the family of the Alliaceae (Garlic Family). The type species of the genus is Allium sativum.

Characteristics

Growth

The plants reach heights of 10 to 30 centimetres and are comparatively fast-growing and short-lived. They have a erect habit and produce multiple stems, the main growing season is in spring and summer.

Leaves

Allium acuminatum is deciduous. The dark-green, simple leaves are basal. They are linear with entire margins and parallel venation. The foliage is porous.

Flowers and Fruits

Allium acuminatum produces umbels of showy, dark-purple campanulate flowers from May to June.

From summer to autumn the plants produce an abundance of black loculicidal capsules that are both edible and very ornamental.

Root System

Distribution

Allium acuminatum is native to British Columbia, the Northwest of the US, California, the Rocky Mountains and Arizona.

Cultivation

The plants prefer a sunny situation on dry to moderately moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay and comparatively poor with a pH between 6 and 8. The plants need a soil depth of at least 15 centimetres for good growth. They tolerate temperatures down to -23°C (USDA zone 6) and need a frost-free period of at least 17 weeks.

Tolerance of special soil conditions

  • none: soil salinity, anaerobic soil
  • medium: drought
  • high: calcareous soil

Uses

The recommended planting distance is 60 to 90 centimetres.

Maintenance and Propagation

Propagate by bulblets or by sowing. The seeds require vernalization.

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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