Apios americana

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Apios americana Medik.

Fabaceae

Life form: climber
Usage: economic plant

Exposure: shade   3

Moisture: moist bis Moisture: wet

Arrangement: alternate
Leaves: decidious

Shape: lanceolate

Division: imparipinnate

Shape: pea-shaped
Fruit: legume

53C / a81a30 

Inflorescence: raceme

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Fabanae
Ordo:
Fabales

Apios americana is a climber.

Naming

Apios americana was described by Friedrich Kasimir Medikus in 1787. The name is considered as validly published.

Taxonomy

Apios americana is a species in the genus Apios which contains approximately 9 to 13 species and belongs to the family of the Fabaceae (Legume Family).

Characteristics

Apios americana - fruits

Growth

The climbers are comparatively fast-growing and short-lived. They produce a single stem and reach heights of 3 to 4 metres. The main growing season is in spring and summer.

Leaves

Apios americana is deciduous. The dark-green, imparipinnate leaves are alternate. The lanceolate leaflets are entire and petiolate. The foliage is porous.

Flowers and Fruits

Apios americana produces racemes of showy, bordeaux pea-shaped flowers from July to September.

In summer the climbers produce brown legumes that are both edible and very ornamental.

Root System

Distribution

Apios americana is native to eastern Canada, the Northeast of the US, the central Northeast of the US, the northern Prairie States of the US, Colorado, the southern Prairie States of the US, the Southeast of the US and Florida and is naturalized in Italy and France.

Cultivation

The climbers prefer a shady situation on moist to wet soil. They prefer soil with a pH between 6 and 7,5 and need a soil depth of at least 20 centimetres for good growth. They tolerate temperatures down to -40°C (USDA zone 3) and need a frost-free period of at least 20 weeks.

Tolerance of special soil conditions

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

Uses

The ornamental value of Apios americana lies especially in its fragrance. The recommended planting distance is 65 to 120 centimetres.

Maintenance and Propagation

Propagate by sowing or by bulbils.

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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