About Grevillea macleayana (Mc Gill.) Olde & Marriott
Growth Form and Size
Grevillea macleayana, commonly known as Jervis Bay grevillea, is a spreading to erect shrub that usually grows 1 to 3 metres (3 feet 3 inches to 9 feet 10 inches) tall.
Leaf Shape and Dimensions
Its leaves are typically elliptic to egg-shaped, 25 to 200 millimetres (0.98 to 7.87 inches) long and 10 to 80 millimetres (0.39 to 3.15 inches) wide. Some leaves have two to five oblong lobes that measure 10 to 30 millimetres (0.39 to 1.18 inches) long and 10 to 20 millimetres (0.39 to 0.79 inches) wide.
Leaf Surface Features
The lower surface of the leaves is densely covered in soft hairs.
Flower Arrangement and Coloration
The flowers are arranged along one side of a 40 to 50 millimetre (1.6 to 2.0 inch) long rachis, and are greenish-white to greyish pink with a pink to red style. The pistil measures 22 to 28.6 millimetres (0.87 to 1.13 inches) long.
Flowering Period and Fruit
Flowering takes place from September to January, and the fruit is a woolly-hairy follicle 12 to 19 millimetres (0.47 to 0.75 inches) long.
Recognized Forms
There are two recognized distinct forms of this species.
Coastal Form Characteristics
The coastal form occurs in open eucalypt woodland or heath from Jervis Bay to Ulladulla, and typically grows as an open shrub 2 to 3 metres (6.6 to 9.8 feet) tall, with mostly entire leaves, a small number of which are lobed, that are elliptic in shape.
Woolly Form Characteristics
The woolly form occurs near Ulladulla and Bundanoon, and has coarse, usually lobed leaves and flowers covered in a woolly indumentum.
Distribution and Habitat
Grevillea macleayana grows in low woodland or shrubland in near-coastal areas of New South Wales, ranging from near Jervis Bay to Moruya, and extending inland as far as Bundanoon.