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The following article was written for the Orchid Species Bulletin published by the Orchid Species Society, which is based in Brisbane, Queensland in November 2001. Bear in mind that any cultivation notes refer to the sub-tropical conditions of Southern Queensland, Australia.
Den.
fimbriatum has erect, arching or pendulous
cane-like stems that are 60-120 cm or more (180-200 cm) long.
They become light yellow-green and furrowed with age and bear many two
ranked leaves along the upper half. Its
oblong acute, dark green leaves that are 8-15 cm long and 2-3 cm broad are
deciduous after 2-3 seasons. Pendulous
inflorescences up to 18 cm long are borne from the upper nodes Its flowers are 4-7.5 cm across and have pale yellow-green to deep orange-yellow sepals and petals and a darker orange-yellow lip. They have a sparkling, crystalline texture. The lip colour varies, with most forms having a dark maroon patch on the centre of the lip. This more common form with the dark eye was described 15 year later by Joseph Hooker as Den. fimbriatum var. oculatum Hook.f., which I prefer to call fma. oculatum Hook.f. The typical fma. fimbriatum usually has smaller flowers than fma. oculatum. Short-lived, the sourly scented blooms last for about 7-10 days. A large-growing plant, Den. fimbriatum appears to be ideally suited to cultivation in the Brisbane
region. It can
also be grown in the garden in frost-free areas by tying it onto a tree.
Any well-drained medium suits it well, using pot or basket culture.
Provide it with bright light such as 50-70% shade with plenty of water
and high humidity during the growing months.
Liquid fertiliser applied during the growing period will be beneficial.
In winter a drier rest period while it is not actively growing will help
to initiate flowers in spring.
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