Banksia sessilis

Banksia sessilis.
Banksia sessilis is a large shrub or small tree in the family Proteaceae. First collected and described by Robert Brown in the early 19th century, the species grows widely throughout southwest Western Australia. It has prickly dark green leaves and dome-shaped cream-yellow flowerheads. Flowering from winter through to late spring, it provides a key source of food—both the nectar and the insects it attracts—for honeyeaters in the cooler months, and species diversity is reduced in areas where the plant does not occur. Several species of honeyeater, some species of native bee, and the European honey bee seek out and consume the nectar, while the long-billed black cockatoo and Australian ringneck eat the seed. The life cycle of B. sessilis is adapted to regular bushfires. Killed by fire and regenerating by seed afterwards, each shrub generally produces many flowerheads and a massive amount of seed. The species can recolonise disturbed areas, and may grow in thickets.

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