Allium geyeri

Allium geyeri S.Watson
Alliaceae
	15 - 45 cm   7  bis   -  -
	IV 2A / f3dc19
Taxonomy
Divisio: Magnoliophyta Subdivisio: Magnoliophytina Classis: Liliopsida Subclassis: Liliidae Superordo: Lilianae Ordo: Amaryllidales

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

Naming

Allium geyeri was described by Sereno Watson in 1879. The name is considered as validly published.

Taxonomy

Allium geyeri 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 15 to 45 centimetres.

Leaves

Allium geyeri is deciduous. The simple leaves are basal. They are linear with entire margins and parallel venation.

Flowers and Fruits

Allium geyeri produces umbels of yellow flowers in April.

The plants produce loculicidal capsules.

Distribution

Allium geyeri is native to western Canada, the Northwest of the US, the Rocky Mountains, the Southwest of the US, Texas and North Carolina.

Cultivation

The plants prefer a sunny situation on dry to moderately moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay soil. They tolerate temperatures down to -18°C (USDA zone 7).

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.

Non-commercial Links

• Allium geyeri at the United States Department of Agriculture
• Allium geyeri in the Flora of North Americaes:Allium geyeri