Pitaviaster haplophyllus (F.Muell.) T.G.Hartley

Rutaceae

Hartley, T.G. (1997) Adansonia Ser. 3 19: 202.

Yellow Aspen

Seldom exceeding 30 cm dbh.

Leafy twigs frequently reddish brown. Leaf blades about 10-20 x 2.5-6 cm. Petiole grooved on the upper surface. About 7-11 main lateral veins on each side of the midrib, forming loops inside the blade margin.

Calyx lobes about 0.5-0.8 mm long. Petals about 2-2.5 mm long, pubescent on both the inner and outer surfaces. Staminal filaments pubescent. Disk 8-lobed but continuous, glabrous, surrounding the ovary. Ovary pubescent.

Fruit about 12-14 x 9-11 mm. Endocarp ribbed with a network of raised veins. Seeds about 6-7 mm diam. Testa +/- smooth.

Cotyledons obovate, about 20-30 x 15-25 mm, penninerved but 3-veined at the base. At the tenth leaf stage: leaf blade elliptic, apex acute to acuminate; oil dots numerous. Seed germination time 13 to 120 days.

Endemic to Queensland, occurs in NEQ. Altitudinal range from sea level to 1150 m. Grows as an understory tree in well developed rain forest on a variety of sites.

Acronychia tetrandra F.Muell., Fragmenta Phytographiae Australiae 9: 104(1875), Type: In montibus litoralibus apud sinum Rockinghams Bay, ubi etiam Entada persaetha nascitur. J. Dallachy. 17 Nov. 1865, holo: MEL. Acronychia haplophylla (F.Muell.) Engl., Die Naturlichen Pflanzenfamilien 3(4) : 180(1896). Euodia haplophylla F.Muell., Fragmenta Phytographiae Australiae 5: 179(1865), Type: In montibus litoralibus apud sinum Rockinghams Bay, ubi etiam Entada persaetha nascitur. J. Dallachy. 17 Nov. 1865, holo: MEL.