Bleeding heart (Homalanthus populifolius)
Description
Homalanthus populifolius, the bleeding heart or Queensland poplar, is an Australian rainforest plant. It often appears in areas of rainforest disturbance. Bleeding heart is highly regarded by rainforest regenerators because of its fast growth and use as a pioneer species in rainforest regeneration. Bleeding heart grows from the coastal border of New South Wales and Victoria (36° S), north to Coen, Queensland (13° S) in the tropics. It is also found in Lord Howe Island, Norfolk Island, New Guinea and Indonesia, and has been widely planted elsewhere. A small tree or shrub, up to 8 meters tall and 15 cm in diameter. The trunk is cylindrical with greyish brown bark, fairly smooth but with some bumps and irregularities. Branchlets appear thick, reddish or green. The leaves are triangular, not toothed and alternate. 5 to 15 cm long. The leaves turn red when senescent, hence the common name of bleeding heart. Flowers are yellow green to red, 2 to 10 cm long. Appearing on racemes mostly in the months of September to December. The fruit matures from December to March, being a two lobed capsule with an oily yellow aril. The seeds germinate quickly when the warmth of direct sunlight is available. However, as with many pioneer species, the seeds of the bleeding heart have a long dormancy period.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Malpighiales
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Family: Euphorbiaceae
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Genus: Homalanthus
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