Hymenoxys acaulis

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Hymenoxys acaulis (Pursh) K.F.Parker

Asteraceae

Life form: perennial
Usage: ornamental plant

Exposure: sun   3

Moisture: moist

Arrangement: alternate
Leaves:

Shape: lanceolate

Division: simple

Shape: many-stellate
Fruit: achene

3A / f8da21 

Inflorescence: solitary

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Asteridae
Superordo:
Asteranae
Ordo:
Asterales

Hymenoxys acaulis is a perennial.

Naming

Taxonomy

Hymenoxys acaulis is a species in the genus Hymenoxys which contains approximately 40 to 64 species and belongs to the family of the Asteraceae (Aster Family).

Characteristics

Growth

The perennials reach heights of 10 to 30 centimetres.

Leaves

Hymenoxys acaulis has simple leaves that are alternate. The leaves are lanceolate and entire.

Flowers and Fruits

Hymenoxys acaulis produces solitary yellow many-stellate flowers from May to June.

The perennials produce achenes.

Root System

Distribution

Hymenoxys acaulis is native to Canada, the Northwest of the US, the Rocky Mountains, the northern Prairie States of the US, the central Northeast of the US, California, the Southwest of the US and the southern Prairie States of the US.

Cultivation

The perennials prefer a sunny situation on moist soil. They tolerate temperatures down to -40°C (USDA zone 3).

Uses

Suited for rockeries.

Maintenance and Propagation

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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