Lindley, Edward's Bot. Reg. 22:sub t. 1917 (plate labelled 1916 in error) (1836).
Synonymy: S. data F. Muell., Fragm. Phyt. Aust. 3:86 (1862); S. occidentalis Domin, Vestn. Kral. Ceske Spolecn. Nauk. Tr. Mat. Prir. 1921-22, 2:61 (1923); S. viminea sensu J. Black, Fl.S. Aust. 538 (1952), auct. non Smith.
Common name: Western stackhousia.
Glabrous perennial or annual to 55 cm high; stems erect to ascending, often branched above; leaves usually linear, the largest 0.5-2.5 mm wide.
Inflorescence cylindrical, spike-like, with flowers in clusters of 1-5, subsessile to shortly pedicellate, the bracts and bracteoles several at each node, imbricate, ovate, erose to lacerate; hypanthium 0.4-0.9 mm long; sepals 0.5-1.5 mm long, shallowly erose to serrulate; corolla yellow-green to pale- to deep-yellow, sometimes brown on the tube, the tube 2-5.5 mm long, slender, the lobes 0.9-3.5 mm long, obtuse to acuminate; gynoecium 3-partite.
Cocci 1-3, pear-shaped to unequally dumb-bell-shaped, slightly curved, 1.7-4 mm long, laterally rugose, apically sharply tuberculate (rarely in depauperate plants rugose), glabrous to (outside S.Aust.) puberulent, the basal cavity deep, circular.
||Stackhousia muricata flower.
Image source: fig 426e in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
||Stackhousia muricata cocci.
Image source: fig 426g in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Barker (1977) J. Adelaide Bot. Gard. 1:80, fig. 6 as Stackhousia sp.; Barker (1984) Fl. Aust. 22:fig. 51G-J.
In sands or loams often with rocks or gravel, in sclerophyll woodland or open grassy areas; often associated in semi-add regions with granite outcrops, in add regions with desert spinifex.
W.Aust.; Qld; N.S.W.
Flowering time: July — Nov.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Two races can be distinguished, one perennial (subsp. A) which includes the type of S. muricata and is spread across southern semi-arid Australia, the other annual (subsp. B) which includes the type of S. occidentalis and is confined to the arid regions of S.Aust. and W.Aust.
Not yet available