Aeonium arboreum. Fractal created by Alida. Used Fractal Explorer.
Aeonium arboreum, the tree aeonium, tree houseleek, or Irish rose, is a succulent, subtropical subshrub in the flowering plant family Crassulaceae.
It is an invasive weed in places outside its natural distribution, for example as a garden escape throughout temperate southern Australia.
Aeonium arboreum grows as a less branched subshrub and reaches stature heights of up to 2 metres. The more or less upright or ascending, smooth, not net-like patterned stem axes have a diameter of 1 to 3 centimetres.
Their leaves are in flattened rosettes with diameters of 10 to 25 centimetres at the end of the stem axes together. Young leaves are pressed tightly together. The obovate to oblate lanceolate leaf blade is pointed toward its apex and wedge-shaped at the base.
The conical to ovate inflorescence has a length of 10 to 25 centimetres and a diameter of 10 to 15 centimetres. The inflorescence stem is 130 to 510 mm long. The flowers sit on a 2-to-12-millimetre-long, slightly fluffy flower stem. Its sepals are also slightly fluff-haired with a pointed top and wedge-shaped base that is smooth and shiny green, red or purple. The yellow, narrow oblong to lanceolate, pointed petals are 5 to 7 millimetres long and 1.5 to 2 millimetres wide. The stamens are bare. It bears rosettes of leaves and large pyramidal panicles of bright yellow flowers in the spring.
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