R. Br., Prod. Fl. Nov. Holl. 515 (1810).
Synonymy: M. montanum R. Br., Prod. Fl. Nov. Holl. 515 (1810); M. cunninghamii Benth. in Endl, Enum. Pl. Hügel 78 (1837); M. dampieri Cunn. ex A. DC., Prod. 11:708 (1847); M. acuminatum R. Br. var. angustifolium Benth., Fl. Aust. 5:4 (1870).
Common name: Native myrtle, western boobialla, waterbush.
Shrub or small true 1-4 m tall; branches non-tuberculate or more rarely tuberculate, glabrous, viscid at the tips; leaves alternate, petiolate, linear-lanceolate to lanceolate, 30-140 x 1.5-20 mm, acuminate, margins entire, glabrous, non-viscid except at the branch tips.
Flowers 1-5 per axil; pedicel 6-10 mm long, glabrous; sepals valvate, subequal, lanceolate-triangular, 1.5-4 x 0.5-1 mm, acute to acuminate, surfaces glabrous or with scattered glandular hairs on the outside surface, margins with scattered glandular hairs; corolla 5-8 mm long, white, frequently purple-spotted on the lobes and upper part of the tube, outside surface glabrous, inside of lobes bearded; stamens 4, exserted but often only the anthers, glabrous or with a few hairs towards the filaments bases; ovary glabrous, style pubescent or glabrous.
Fruit succulent, globular, reddish-purple at maturity, 6-8 x 6-8 mm, drying brown, then globular to ovoid, 3-5 x 3.5-5.5 mm.
||Branch, flower and fruit.
Image source: fig. 613A in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Cunningham et al. (1982) Plants of western New South Wales, p. 616; Costermans (1981) Native trees and shrubs of south-eastern Australia, p. 277 as M. montanum.
In the drier parts of the State usually restricted to drainage channels or around permanent water.
W.Aust.; N.T.; Qld; N.S.W.; Vic.
Flowering time: mainly Aug. — Oct.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
M. acuminatum sensu lato occurs throughout Australia including the tropical north coast. Leaf size and shape as well as features of the flower are extremely variable and it is likely that a number of taxa are involved. In S.Aust. an extremely narrow-leaved form occurs in FR.
Not yet available