Hymenoxys grandiflora

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Hymenoxys grandiflora (Torr. & A.Gray) K.F.Parker

Asteraceae

Life form: perennial

Exposure: sun   5

Moisture: moist

Arrangement: alternate
Leaves:

Shape: linear

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 grandiflora, commonly known as four-nerved daisy, is a perennial.

Naming

Hymenoxys grandiflora was already described and the name validly published by John Torrey and Asa Gray based on a prior description by John Torrey and Asa Gray. It was Kittie Fenley Parker, however, who reclassified it into todays valid botanical systematics in 1950.

Taxonomy

Hymenoxys grandiflora 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 8 to 30 centimetres.

Leaves

Hymenoxys grandiflora has simple leaves that are alternate. The leaves are linear, entire and sessile.

Flowers and Fruits

Hymenoxys grandiflora produces solitary yellow many-stellate flowers from June to August.

The perennials produce achenes.

Root System

Distribution

Hymenoxys grandiflora is native to the Rocky Mountains.

Cultivation

The perennials prefer a sunny situation on moist soil. They tolerate temperatures down to -29°C (USDA zone 5).

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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