Ptilotus macrocephalus

Ptilotus macrocephalus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Amaranthaceae
Genus:	Ptilotus
Species:	P. macrocephalus
Binomial name
	Ptilotus macrocephalus; (R.Br.) Poir

Ptilotus macrocephalus (commonly as featherheads, green mulla mulla or green pussytails) is a native Australian perennial herb growing up to 50 centimetres (20 in) high.^[1] The species was originally described as Trichinium macrocephalum by Robert Brown in 1810 based on specimens from Victoria, Australia.^[2] In 1816, it was first transferred to the genus Ptilotus by Jean Louis Marie Poiret.^[3] While once considered distributed throughout most of the Australian mainland, current research limits the distribution of P. macrocephalus to south-eastern Australia, mostly in south-eastern South Australia, Victoria and New South Wales.^[1] A study by Hammer et al. (2019) determined that specimens previously identified as P. macrocephalus are morphologically and ecologically distinct species, the now named T.Hammer & R.W.Davis (arid central and western Australia) and T.Hammer & R.W.Davis (eastern Queensland).^[1]

P. macrocephalus has cream-green coloured ovoid flower heads.^[1] As with other green-flowered Ptilotus species (e.g. Ptilotus nobilis), they are thought to be predominantly pollinated by nocturnal moths.^[1]

References[]

^ ^a ^b ^c ^d ^e Hammer, Timothy; Davis, Robert; Thiele, Kevin (8 May 2019). "Of a different feather: two new species of featherheads from the Ptilotus macrocephalus (Amaranthaceae) complex". Australian Systematic Botany. 32 (1): 61–70. doi:10.1071/SB18065.
^ Brown, Robert (1810). Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum. Londini: typis R. Taylor et socii. doi:10.5962/bhl.title.3678.
^ Lamarck, Jean-Baptiste; Poiret, Jean-Louis-Marie (1810). Encyclopédie méthodique. Botanique. Supplement. Paris: Agasse. doi:10.5962/bhl.title.826.

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[:0-1] Hammer, Timothy; Davis, Robert; Thiele, Kevin (8 May 2019). "Of a different feather: two new species of featherheads from the Ptilotus macrocephalus (Amaranthaceae) complex". Australian Systematic Botany. 32 (1): 61–70. doi:10.1071/SB18065.

[2] Brown, Robert (1810). Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum. Londini: typis R. Taylor et socii. doi:10.5962/bhl.title.3678.

[3] Lamarck, Jean-Baptiste; Poiret, Jean-Louis-Marie (1810). Encyclopédie méthodique. Botanique. Supplement. Paris: Agasse. doi:10.5962/bhl.title.826.

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