Long purple-flag (Patersonia occidentalis, Prodr. Fl. Nov. Holland.: 304 (1810))

Family: Iridaceae

Author: R.Br.

Bibliography: Prodr. Fl. Nov. Holland.: 304 (1810)

Year: 1810

Status: accepted

Rank: species

Genus: Patersonia

Vegetable: False

Observations: SW. Australia, SE. South Australia to N. & E. Tasmania.

Description

The Long Purple-flag is a vibrant and striking plant native to various regions of Australia, including southwestern Australia, southeastern South Australia, as well as the northern and eastern parts of Tasmania. Belonging to the Iridaceae family, it was first scientifically described by R. Brown in 1810, cementing its botanical significance in the early days of Australian flora exploration.

Characterized by its captivating purple, flag-like flowers, the Long Purple-flag is a perennial herbaceous plant that thrives in its native habitats. These blooms, which typically appear in the spring, offer not only aesthetic beauty but also play an essential role in the local ecosystems by attracting pollinators such as bees and butterflies.

Adapted to the climatic conditions of its native regions, Patersonia occidentalis is well-suited to a variety of soil types, although it often favors sandy or gravelly soils. This adaptability makes it a resilient species, capable of enduring the diverse weather patterns experienced across its native range, from the coastal environments of Tasmania to the arid zones of southwestern Australia.

The foliage of the Long Purple-flag is another noteworthy feature. The leaves are long, slender, and grass-like, providing a subtle yet elegant contrast to the boldness of its purple flowers. This striking visual dichotomy makes the plant a popular choice for gardeners and landscapers looking to add a touch of natural beauty to cultivated spaces.

Understanding the ecological and horticultural value of Patersonia occidentalis can enhance efforts in conservation and sustainable cultivation. Its role in native plant communities highlights the importance of preserving natural habitats to maintain the biodiversity and health of ecosystems where such unique species thrive.

In summary, the Long Purple-flag is a distinctive and cherished component of Australia’s natural heritage. Its elegant flowers and hardy nature exemplify the resilience and beauty found within the continent’s flora. Recognized since the early 19th century, this plant continues to captivate botanists, gardeners, and nature enthusiasts alike, contributing to the rich botanical tapestry of Australia.

Common Names

Eng: long purple-flag
En: Long purple-flag

Synonyms

• Genosiris occidentalis ((R.Br.) F.Muell.)

Distribution

• South Australia (native)
• Tasmania (native)
• Victoria (native)
• Western Australia (native)

Additional Images

Flower

Taken Jul 22, 2022 by Michal Svit (cc-by-sa)

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/2746968)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:440531-1)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Patersonia occidentalis R.Br.)

Specifications

Growth