Acronychia imperforata F.Muell.

Rutaceae

Mueller, F.J.H. von (1858) Fragmenta Phytographiae Australiae 1: 26. Type: Ad rivulos silvarum secus flumen Brisbane. Hill & Mueller.

Fraser Island Apple; Apple, Fraser Island; Green Tree; Logan Apple; Coastal Aspen; Beach Acronychia

Seldom exceeding 30 cm dbh. Narrow white or cream granular stripes in the outer blaze. Blaze odour resembling that of carrots (Daucus carota).

Leaf blades about 5.5-13 x 3-6 cm. Lateral veins forming loops (often a double series of loops) inside the blade margin. Scattered oil dots may be visible with a lens.

Inflorescence about 2.5-5 cm long. Flowers about 6-9.5 mm long. Stamens eight, dimorphic, four long and four short, in one whorl, long and short stamens alternating.

Fruits +/- globular to pyriform, about 12-15 mm diam. Seeds about 4-6 mm long.

Cotyledons elliptic to oblong-elliptic, about 6-14 x 4-7 mm, margins with numerous small peg-like teeth, oil dots visible with a lens. First pair of leaves trifoliolate. Third and fourth leaves trifoliolate or unifoliolate. At the tenth leaf stage: leaf blade elliptic, apex acuminate, base cuneate, petiole about 5 mm long. Midrib raised on the upper surface. Seed germination time 61 to 1267 days.

Endemic to Australia, occurs in CYP, NEQ, CEQ and southwards to coastal central New South Wales. Altitudinal range from near sea level to 900 m. Grows in monsoon forest and drier, more seasonal rain forest.

Jambolifera imperforata (F.Muell.) Kuntze, Revisio Generum Plantarum 1: 102(1891). Acronychia scortechinii F.M.Bailey, Queensland Agricultural Journal 3(4): 281(1898), Type: Borders of scrubs, Logan River, Rev. B. Scortechini; Frasers Island, Miss Lovell.