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Bulbophyllum medusae, commonly known as the Medusa orchid, is a species of epiphytic orchid with a creeping rhizome and a single leaf about 100 mm (3.9 in) long emerging from the top of each pseudobulb. The flowers are creamy yellow and arranged in clusters of about fifteen arranged in a circle at the tip of the flowering stem.
The male orchid bees (not the females) are attracted to the flower by a strong scent from aromatic oils, which they store in specialized spongy pouches inside their swollen hind legs, as they appear to use the scent in their courtship dances in order to attract females. The bees, trying to get the waxy substance containing the scent, sometimes ...
Bulbophyllum is a genus of mostly epiphytic and lithophytic orchids in the family Orchidaceae. It is the largest genus in the orchid family and one of the largest genera of flowering plants with more than 2,000 species, exceeded in number only by Astragalus.
Arethusa bulbosa, commonly called dragon's mouth orchid, [4] is the only species in the orchid genus Arethusa. [3] The genus is named after a naiad of Greek mythology . [ 5 ] This monotypic genus is abbreviated Aret in trade journals.
Cyrtostylis reniformis is a terrestrial, perennial, deciduous, herb with a single kidney-shaped, heart-shaped or almost round leaf 15–40 mm (0.6–2 in) long and 10–30 mm (0.4–1 in) wide. Up to eight dark reddish brown, or rarely yellowish flowers 11–14 mm (0.4–0.6 in) long are borne on a flowering stem 50–150 mm (2–6 in) high.
When an orchid bee pollinator lands on the opening of the flower, its weight tips the flower forwards, and the lip moves down to allow the bee inside the flower. Having moved into the flower, the change in the centre of gravity tips the flower back, flipping the lip upwards, pressing the bee against the rostellum and sticky pollinia .
These plants are bulbous geophytes with underground tubers or bulbs that annually produce new stems, leaves and flowers. The leaves are amplexicaul and vary from 4 to 7 per plant. The lower leaves are oblong-obovate with obtuse apex, while the upper leaves are lanceolate with acute apex. Size of leaves: width 1 to 2.5 cm, length 6 – 12 cm.
Eulophia, commonly known as corduroy orchids, [3] is a genus of about two hundred species of flowering plants in the orchid family, Orchidaceae.Most Eulophia orchids are terrestrial but some are deciduous while others are evergreen.