Acacia lasiocalyx

Acacia lasiocalyx, commonly known as silver wattle[1] or shaggy wattle,[2] is a tree or shrub belonging to the genus Acacia and the subgenus Juliflorae.

Shaggy wattle
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Clade: Mimosoideae
Genus: Acacia
Species:
A. lasiocalyx
Binomial name
Acacia lasiocalyx
C.R.P.Andrews
Occurrence data from AVH

Taxonomy

The species is closely related to Acacia conniana which has nonpruinose branchlets, shorter phyllodes and smaller pods enclosing smaller seeds. Other relatives are A. anastema and A. longiphyllodinea.[3]

The Noongar peoples know the tree as wilyurwur.[4][5]

Description

The open often weeping tree or shrub typically grows to a height of 1.5 to 7 metres (5 to 23 ft),[1] although some specimens may reach 25 m.[5] It blooms from July to October producing yellow flowers. The leaf-like phyllodes are 25 centimetres (10 in) and gently curving,[1] each terminating in a hooked point. The inflorescences are simple, sometimes with a few rudimentary racemes interspersed with axes that are 0.5 to 1 millimetre (0.02 to 0.04 in) in length with paired peduncles paired that are 8 to 17 millimetres (0.3 to 0.7 in) long. They are pruinose with 20 to 40 millimetres (0.8 to 1.6 in) spikes and with a diameter of 6 to 7 millimetres (0.2 to 0.3 in) densely packed with a golden colour.[3] The seed pods are linear and raised over seeds with a straight to slightly curved shaped and are up to 16 centimetres (6.3 in) long and 5.5 millimetres (0.2 in) wide. The seeds are longitudinal with an elliptic to oblong shape.[3]

Distribution

It is native to a large area in the Wheatbelt, Goldfields-Esperance and Great Southern regions of Western Australia,[1] and is found as far north as Eneabba an south as Bremer Bay and east as Kalgoorlie.[3] It is typically found growing as a thicket amongst granite outcrops.[6]

Ecology

The tree is fibrous and copes well in arid conditions. It germinates prolifically after fire forming dense thickets of trees which are about 4 metres (13.1 ft) in height. These thickets thin out over the following decades, and trees my attain a height of 25 metres.[5]

gollark: I'm likely to implement (eventually) fuzzy page name matching where it tells you stuff *like* what you spelt. Right now the search just looks for pages containing the same word (give or take endings, SQLite uses some "porter stemming" algorithm).
gollark: > "nice editor" sounds good. for instanceI mostly just mean that it will, for instance, keep your current indentation/list level if you add a newline. I can't think of much other useful stuff, markdown is simple enough.> it'd be cool to have a way to embed links to other notes a way that's as easy as adding a tenor gif to a discord messageYou can, it's just `[[link text:note name]]` or `[[note name]]` if they're both the same. "Nice editor" may include something which shows fuzzy matches > sematic taggingI thought about tagging but realized that "bidirectional links" were *basically* the same thing; if you put `[[bees]]` into a document, then the `Bees` page has a link back to it.
gollark: Δy/Δx, if you prefer.
gollark: The slope of the line.
gollark: Ah, so if two adjacent things are the same and both extrema it wants the midpoint?

See also

List of Acacia species

References
  1. "Acacia lasiocalyx". FloraBase. Western Australian Government Department of Parks and Wildlife.
  2. "Acacia Lasiocalyx (Shaggy Wattle Or Wilyurwur)". Westgrow Farm Trees. Retrieved 25 May 2017.
  3. "Acacia lasiocalyx C.R.P.Andrews, J. Western Australia Nat. Hist. Soc . 1: 41 (1904)". WorldWideWattle. CSIRO. 15 December 2016. Retrieved 25 May 2017.
  4. "Noongar names for plants". kippleonline.net. Archived from the original on 2016-11-20. Retrieved 20 November 2016.
  5. Stephen Hopper; Philippa Nikulinsky (2008). Life on the Rocks: The Art of Survival. Fremantle Press. ISBN 9781921361289.
  6. Margaret G. Corrick, Bruce Alexander Fuhrer (2009). Wildflowers of Southern Western Australia. Rosenburg Publishing. ISBN 9781877058844.
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