Dipodium hamiltonianum (Dipodium hamiltonianum)
Description
Dipodium hamiltonianum, commonly known as yellow hyacinth-orchid,is a leafless mycoheterotroph orchid that is endemic to eastern Australia. It has up to twenty five greenish flowers with dark red spots on a tall flowering stem.For most of the year, D. hamiltonianum plants are dormant and have no above-ground presence. Below the ground lie fleshy roots. Flower spikes between 40 and 80 cm in height appear between November and March in the species native range. These racemose inflorescences have 3 to 25 yellow or greenish-yellow fleshy flowers with red to purple spots. The three-lobed forward-projecting labellum is white with purple markings and has a tuft of white hairs. Tubers usually produce only a single flower spike. Flower spikes from an individual plant may appear as infrequently as once in a five-year 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: Liliopsida
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Order: Asparagales
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Family: Orchidaceae
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Genus: Dipodium
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