Polycalymma

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Polycalymma
Polycalymma stuartii habit.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Gnaphalieae
Genus: Polycalymma
F.Muell. & Sond.
Species:
P. stuartii
Binomial name
Polycalymma stuartii
Synonyms [1]

Myriocephalus stuartii(F.Muell. & Sond. ex F.Muell. & Sond.) Benth.

Polycalymma stuartii, the poached egg daisy, is an Australian daisy found abundantly on sand plains and dunefields. [2] Its common name is derived from the poached egg-like appearance of its white flower and yellow centre. It is the only known species of the genus Polycalymma; a member of the tribe Gnaphalieae within the family Asteraceae. [3] [4] [5] [6] [7]

Origin

The poached egg daisy was named after McDouall Stuart [8] and is Indigenous to a large area of Central Australia. The first scientific description was written in 1853.

Alternative names [9]

Habitat

The poached egg daisy is found abundantly during good seasons in open communities on sand plans and dune fields [10] in Western Australia, Northern Territory, South Australia, Queensland, New South Wales and Victoria. [11] [12] This annual daisy thrives in light to medium soil, open sunny communities and is resistant to drought and frost. 

Poached Egg daises CSIRO ScienceImage 4629 Poached egg daisies.jpg
Poached Egg daises

Description [9] [13] [14]

Cotyledons

Two (dicot) narrow lance shaped cotyledon with a tapered base, pointed tips, edges that convex to parallel and a hairless surface.

First leaves

Narrow lance shaped first leaves with pointed tips and covered in dense short hair.

Leaves

Alternating leaves with no petiole. leaves are a light green colour, measure 20-70mm long with narrow parallel sides to lance shape with pointed tip, present woolly hairs on upper side and sticky hairs on underside and have smooth edges.

Stems

Stem is erect and stout, standing 100-500mm tall, somewhat tufted ad is woolly or very sticky with glandular hairs.

Flower head

Flower heads are compound, hemispherical and white with a yellow centre resembling a poached egg and measure 20-40mm in diameter.

Flowers

Flowers are tubular, bisexual and yellow with white 5-7mm long petals.

Fruit

Black cylindrical achene that are woolly or silky with long white hairs.

Roots

Taproot system.

Ecology

8 week lifecycle

Related Research Articles

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<i>Calotis</i> Genus of flowering plants

Calotis is a genus of herbs or small shrubs in the daisy family Asteraceae. Most of the species are native to Australia, while two occur in Asia.

<i>Leiocarpa</i> Genus of flowering plants

Leiocarpa is a genus of plants in the family Asteraceae, native to Australia.

<i>Omalotheca sylvatica</i> Species of flowering plant

Omalotheca sylvatica, synonyms including Gnaphalium sylvaticum, is a species of plant in the family Asteraceae. It is commonly known as heath cudweed, wood cudweed, golden motherwort, chafeweed, owl's crown, and woodland arctic cudweed. It is widespread across the temperate Northern Hemisphere, throughout North America and Eurasia. The species was first formally described by Carl Linnaeus in 1753 as Gnaphalium sylvaticum.

<i>Olearia phlogopappa</i> Species of flowering plant

Olearia phlogopappa commonly known as the dusty daisy-bush or alpine daisy-bush is a species of flowering plant in the family Asteraceae that is commonly found in eastern New South Wales, Victoria and Tasmania. It is a small shrub with greyish-green foliage, daisy-like flowers in white, pink or mauve that can be seen from spring to late summer.

<i>Olearia stuartii</i> Species of plant

Olearia stuartii is a species of flowering plant in the family Asteraceae and is endemic arid parts of inland Australia. It is compact, spreading shrub or undershrub with lance-shaped leaves and blue to mauve and yellow, daisy-like inflorescences.

Kunzea petrophila is a flowering plant in the myrtle family, Myrtaceae and is endemic to the Northern Territory. It is a spreading shrub with hairy branches and leaves, narrow leaves and cream-coloured flowers in more or less spherical groups, usually on the ends of the main branches.

<i>Brachyscome graminea</i> Species of flowering plant

Brachyscome graminea, commonly known as grass daisy, is a perennial herb in the family Asteraceae and is endemic to Australia. It has mostly mauve-pink or purple daisy-like flowers and a yellow centre.

<i>Olearia muelleri</i> Species of Asteraceae

Olearia muelleri, commonly known as Mueller daisy bush, Mueller's daisy bush or Goldfields daisy, is a species of flowering plant in the family Asteraceae and is endemic to southern continental Australia. It is a compact or spreading shrub with scattered spatula-shaped to egg-shaped leaves with the narrower end towards the base, and white and yellow, daisy-like inflorescences.

<i>Xylopia macrantha</i> Species of flowering plant

Xylopia macrantha is a species of plant in the Annonaceae family. It is native to Colombia, Costa Rica and Panama. José Jerónimo Triana and Jules Émile Planchon, the botanists who first formally described the species, named it after its large flowers.

<i>Xylopia micans</i> Species of flowering plant

Xylopia micans is a species of plant in the Annonaceae family. It is native to Colombia, Ecuador and Peru. Robert Elias Fries, the botanist who first formally described the species, named it after the gleaming hairs on the undersides of its leaves.

<i>Argentipallium obtusifolium</i> Species of flowering plant

Argentipallium obtusifolium, commonly known as blunt everlasting, is a species of flowering plant in the family Asteraceae. It is a small, multi-stemmed perennial with white flowers, dark green leaves and is endemic to Australia.

<i>Buckollia tomentosa</i> Species of flowering plant

Buckollia tomentosa is a species of plant in the Apocynaceae family. It is native to the Ethiopia, Sudan, and Uganda. Eileen Adelaide Bruce, the botanist who first formally described the species, named it after the dense covering of wooly hairs on its flowers.

<i>Buckollia volubilis</i> Species of flowering plant

Buckollia volubilis is a species of plant in the Apocynaceae family. It is native to the Ethiopia, Kenya, Somalia, Tanzania and Uganda. Rudolf Schlechter, the botanist who first formally described the species, named it after its twining growth habit, using the synonymous name Raphionacme volubilis.

<i>Condylocarpon amazonicum</i> Species of flowering plant

Condylocarpon amazonicum is a species of plant in the Apocynaceae family. It is native to Bolivia, Brazil, Suriname, and Venezuela. Friedrich Markgraf, the botanist who first formally described the species, using the basionym Anechites amazonicus, named it after the area near the Amazon River in Pará Brazil where the specimen he examined was collected by Adolpho Ducke.

<i>Condylocarpon guyanense</i> Species of flowering plant

Condylocarpon guyanense is a species of plant in the Apocynaceae family. It is native to Brazil, French Guiana, and Guyana. René Louiche Desfontaines, the botanist who first formally described the species, named it after Guyana where Joseph Martin collected the specimen he examined.

<i>Condylocarpon isthmicum</i> Species of flowering plant

Condylocarpon isthmicum is a species of plant in the Apocynaceae family. It is native to Argentina, Brazil, Paraguay and Uruguay. José Mariano de Conceição Vellozo, the botanist who first formally described the species, named it after the narrow neck connecting the two sections of its fruit.

<i>Condylocarpon pubiflorum</i> Species of flowering plant

Condylocarpon pubiflorum is a species of plant in the Apocynaceae family. It is native to Bolivia, Brazil, Colombia, Peru and Venezuela. Johannes Müller Argoviensis, the botanist who first formally described the species, named it after an invalid nomen nudum, Hortsmania pubiflora, previously offered by George Bentham.

<i>Cryptolepis africana</i> Species of flowering plant

Cryptolepis africana is a species of plant in the Apocynaceae family. It is native to Kenya. Arthur Allman Bullock, the botanist who first formally described the species, using the synonymous subspecies name Cryptolepis sinensis subsp. africana, named it after the location where the sample he examined was collected in East Africa.

Cryptolepis delagoensis is a species of plant in the Apocynaceae family. It is native to Mozambique and South Africa. Rudolf Schlechter, the botanist who first formally described the species, named it after the location where the specimen he examined was found near Maputo Bay which was then called Delagoa Bay.

References

  1. Flann, C (ed) 2009+ Global Compositae Checklist
  2. "Plants at the AALBG: Poached egg daisy, (Polycalymma stuartii)". Friends of the Australian Arid Lands Botanic Garden. 2012.
  3. Mueller, Ferdinand Jacob Heinrich von & Sonder, Otto Wilhelm. 1853. Linnaea 25: 494 in Latin
  4. "Tropicos | Name - Polycalymma F. v. Mueller & Sonder". www.tropicos.org. Retrieved 2018-05-16.
  5. "IPNI Plant Name Details". www.ipni.org. Retrieved 2018-05-16.
  6. "Friends of the Australian Arid Lands Botanic Garden - Plants: Poached egg daisy, Polycalymma stuartii". www.australian-aridlands-botanic-garden.org. Retrieved 2018-05-16.
  7. Australia, Atlas of Living. "Polycalymma | Atlas of Living Australia". bie.ala.org.au. Retrieved 2018-05-16.
  8. Government, Northern Territory (2018-03-25). "Poached egg daisy". alicespringsdesertpark.com.au. Retrieved 2019-06-10.
  9. 1 2 "Poached-egg Daisy". www.herbiguide.com.au. Retrieved 2019-06-10.
  10. "Friends of the Australian Arid Lands Botanic Garden - Plants: Poached egg daisy, Polycalymma stuartii". www.australian-aridlands-botanic-garden.org. Retrieved 2019-06-10.
  11. "COMPOSITAE (R) – Bushland Conservation Pty Ltd" . Retrieved 2019-06-10.
  12. "Tree Element /tree/51308853/51245324". biodiversity.org.au. Retrieved 2019-06-10.
  13. "Factsheet - Polycalymma stuartii". keys.lucidcentral.org. Retrieved 2019-06-10.
  14. "PlantNET - FloraOnline". plantnet.rbgsyd.nsw.gov.au. Retrieved 2019-06-10.