Mackinlaya macrosciadea (F.Muell.) F.Muell.
Mueller, F.J.H. von (1864) Fragmenta Phytographiae Australiae 4: 120.
Usually flowers and fruits as a slender single-stemmed shrub about 1-3 m tall.
Compound leaf petioles much longer than the leaflet stalks. Leaflet stalks variable in length even on the one compound leaf. Leaflet blades about 8.5-16 x 3.5-6 cm.
Flowers borne in umbels which are arranged in umbels. Flowers about 2.5 mm diam. Pollen white.
Fruit surface glaucous or blue-grey. Fruits borne in umbels which are arranged in umbels. Fruits laterally compressed and usually +/- 2-lobed, wider than long, about 9-10 x 11-13 mm, calyx lobes and styles persistent at the apex. Embryo very small, about 0.6-0.8 mm long. Cotyledons about as wide as the radicle.
Cotyledons about 20-32 x 15-18 mm. First pair of leaves alternate, ovate, margins usually toothed. Petiole bases clasping the stem. At the tenth leaf stage: leaves usually palmately compound with 3-5 leaflets. Leaflet margin with 2-5 teeth on each side of the leaflet towards the apex. Petiole winged towards the base and clasping the stem. Seed germination time 75 to 138 days.