Polycalymma
| Polycalymma | |
|---|---|
| Error creating thumbnail: | |
| Scientific classification Edit this classification | |
| 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
[edit | edit source]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
[edit | edit source]Source:[9]
- ham and eggs daisy
- fried egg plant
- bachelors' buttons
Habitat
[edit | edit source]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.
Description
[edit | edit source]Cotyledons
[edit | edit source]Two (dicot) narrow lance shaped cotyledon with a tapered base, pointed tips, edges that convex to parallel and a hairless surface.
First leaves
[edit | edit source]Narrow lance shaped first leaves with pointed tips and covered in dense short hair.
Leaves
[edit | edit source]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
[edit | edit source]Stem is erect and stout, standing 100-500mm tall, somewhat tufted ad is woolly or very sticky with glandular hairs.
Flower head
[edit | edit source]Flower heads are compound, hemispherical and white with a yellow centre resembling a poached egg and measure 20-40mm in diameter.
Flowers
[edit | edit source]Flowers are tubular, bisexual and yellow with white 5-7mm long petals.
Fruit
[edit | edit source]Black cylindrical achene that are woolly or silky with long white hairs.
Roots
[edit | edit source]Taproot system.
Ecology
[edit | edit source]8 week lifecycle
References
[edit | edit source]- ^ Flann, C (ed) 2009+ Global Compositae Checklist
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Mueller, Ferdinand Jacob Heinrich von & Sonder, Otto Wilhelm. 1853. Linnaea 25: 494 in Latin
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Lua error in Module:Taxonbar at line 165: attempt to index field 'wikibase' (a nil value).