Banksia squarrosa (R.Br.) A.R.Mast & K.R.Thiele

Growth Form and Height

Banksia squarrosa is a shrub that usually grows up to 4 meters (13 feet) tall, and it does not form a lignotuber.

Leaf Shape and Dimensions

It bears sessile leaves that are linear to narrow lance-shaped, measuring 30 to 90 millimeters (1.2 to 3.5 inches) long and 5 to 12 millimeters (0.20 to 0.47 inches) wide.

Leaf Margin Features

Each side of the leaves has up to ten sharply pointed, triangular teeth.

Flower Arrangement and Count

The species produces yellow flowers arranged in heads containing between fifty and seventy individual flowers.

Involucral Bract Characteristics

Narrow triangular to linear involucral bracts, 10 to 13 millimeters (0.39 to 0.51 inches) long, grow at the base of each flower head.

Perianth and Pistil Dimensions

The perianth is 18 to 24 millimeters (0.71 to 0.94 inches) long, while the straight pistil measures 20 to 26 millimeters (0.79 to 1.02 inches) long.

Flowering Period

Flowering takes place from June to November.

Follicle Shape and Size

After flowering, the plant forms oblong to egg-shaped follicles that are 8 to 13 millimeters (0.31 to 0.51 inches) long and more or less glabrous.

Follicle Count Per Head

Up to seven follicles develop in each flower head.

Common Name and General Distribution

This species, commonly known as Pingle, is widely distributed in the south-west of Western Australia, found between Bindoon, the Whicher Range and Albany, where it grows in woodland and forest.

Subspecies argillacea Distribution

Subspecies argillacea has a restricted distribution near the western side of the Whicher Range.

Subspecies squarrosa Distribution

Subspecies squarrosa occurs across the entire species range, except in the area near the Whicher Range.