Xanthosia rotundifolia

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Southern cross
Xanthosia rotundifolia Torndirrup.jpg
Xanthosia rotundifolia near Torndirrup
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Apiaceae
Genus: Xanthosia
Species:
X. rotundifolia
Binomial name
Xanthosia rotundifolia
Synonyms [1]
  • Leucolaena rotundifolia(DC.) Benth.
  • Leucolaena rotundifolia(DC.) Benth. var. rotundifolia
  • Xanthosia rotundifolia var. hypoleuca Diels
  • Xanthosia rotundifoliaDC. var. rotundifolia

Xanthosia rotundifolia, commonly known as southern cross, is a species of flowering plant in the family Apiaceae and is endemic to the south-west of Western Australia. It is an erect, perennial herb with serrated or toothed leaves and white to creamy-yellow flowers.

Contents

Description

Xanthosia rotundifolia is an erect perennial herb that typically grows to a height of up to 60 cm (24 in). [2] Its leaves are round to egg-shaped or wedge-shaped, and leathery [2] with serrated or toothed edges. [3] The flowers are arranged in a compound umbel usually with four branches in the form of a cross, each branch 30–60 mm (1.2–2.4 in) wide with a petal-like bract 15 mm (0.59 in) long at the base. [2] Flowering occurs over a long period with a peak in spring.

Taxonomy

Xanthosia rotundifolia was first formally described in 1829 by Augustin Pyramus de Candolle in Collection de Mémoires pour Servir a l'Histoire de Regne Vegetal. [4] [5] The specific epithet (rotundifolia) means "round-leaved". [6]

Distribution and habitat

Southern cross grows in gravelly, lateritic soils in rocky places, swamps and open woodland in the Esperance Plains, Jarrah Forest and Warren bioregions of the south-west of Western Australia. [2] [7]

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<i>Goodenia rotundifolia</i> Species of plant

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<i>Streptoglossa decurrens</i> Species of flowering plant

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<i>Minuria leptophylla</i> Species of herb

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<i>Campanula petiolata</i> Species of flowering plant

Campanula petiolata is a flowering plant that is called western harebell when it is distinguished from Campanula rotundifolia or simply harebell when it is considered the same species. It is in the bellflower family (Campanulaceae). This herbaceous perennial is found in areas of western North America with continental climates. It produces violet-blue, bell-shaped flowers in late summer and autumn. It is closely related to Campanula rotundifolia and is considered either a subspecies or the same species by many botanists.

<i>Dampiera adpressa</i> Species of flowering plant

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<i>Xanthosia singuliflora</i> Species of flowering plant

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<i>Xanthosia tasmanica</i> Species of flowering plant

Xanthosia tasmanica is a species of flowering plant in the family Apiaceae and is endemic to southern Australia. It is an erect or ascending perennial herb with trifoliate leaves with elliptic leaflets, and white flowers in a compound umbel with one flower per ray and sometimes another flower between the rays.

References

  1. 1 2 "Xanthosia rotundifolia". Australian Plant Census. Retrieved 10 April 2024.
  2. 1 2 3 4 Cronin, Leonard (2016). Australian Wildflowers. Crows Nest: Allen & Unwin. p. 12.
  3. Corrick, Margaret G.; Fuhrer, Bruce A. (2013). Wildflowers of Southern Western Australia. Dural, New South Wales: Rosenberg Publishing pty. ltd. p. 21.
  4. "Xanthosia rotundifolia". Australian Plant Name Index. Retrieved 10 April 2024.
  5. de Candolle, Augustin P. (1829). Mémoire sur la famille des Ombellifères. Paris: Treuttel et Würtz. p. 31. Retrieved 10 April 2024.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 297. ISBN   9780958034180.
  7. "Xanthosia rotundifolia". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.