''Acacia macnuttiana'', commonly known as McNutt's wattle,
[ is a flowering plant in the family and is endemic to north-eastern New South Wales. It is a shrub with linear ]phyllode
Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the ...
s, spherical heads of bright yellow flowers arranged in raceme
A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...
s in leaf axils and seeds usually in more or less straight, leathery pods.
Description
''Acacia macnuttiana'' is a bushy shrub that typically grows to a height of with finely ribbed, dark coloured branchlets. The phyllodes are narrow linear, long and wide, thin and glabrous. The flowers are arranged in a raceme long with more or less spherical heads of ten to fifteen bright yellow flowers, each head on a peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
long. Flowering occurs between July and September and the pods are usually more or less straight, oblong to broadly linear, up to long, wide, dark brown and leathery, containing black seeds.
Taxonomy and naming
''Acacia macnuttiana'' was first formally described in 1927 by Joseph Maiden and William Blakely in the '''' from specimens collected in 1913 near the village of Bismuth near Torrington b
Andrew McNutt
who had been a schoolteacher at Hillgrove.
Distribution and habitat
McNutt's wattle grows near rivers and along valleys on sandy soils derived from granite from near Torrington to Boonoo Boonoo Falls, near Pindari Dam
Pindari Dam is a minor concrete faced rockfill embankment dam with an ungated uncontrolled rock cut with concrete sill spillway across the Severn River located upstream of the town of Ashford, in the North West Slopes region of New South Wales ...
and the Washpool National Park
The Washpool National Park is a protected national park located in the New England region of New South Wales, Australia. The park is situated approximately north of Sydney, inland from . The park has two campgrounds and is managed by the NSW N ...
, in north-eastern New South Wales.
Conservation status
This acacia is listed as "Vulnerable" under the Commonwealth EPBC Act, and "Endangered" under the Threatened Species Conservation Act of New South Wales.
See also
* List of ''Acacia'' species
* ''''
References
{{Taxonbar, from=Q9566658
macnuttiana
Flora of New South Wales
Plants described in 1927
Taxa named by Joseph Maiden
Taxa named by William Blakely