751
Dendrobium wightii
Synonym
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Callista graminifolia
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Family
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Orchidaceae
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Flowering
and fruiting period
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September-October
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Distribution
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India and Sri Lanka
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Distribution
in kerala
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Wayanad, Idukki, Kannur, Thiruvananthapuram, Kollam,
Palakkad
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Habitat
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Evergreen and semi-evergreen forest
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Uses
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Ornamental
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Key
botanical characters: Lithophyte on wet rocks, stem slender, terete, 15-20 cm
tall. Leaves up to 6.7 x 0.5 cm, linear, acute, membranous. Flowers
pinkish-white, 4-5, in 6-10 cm long, slender flexuous terminal racemes;
dorsal sepal oblong-lanceolate, acute, 3-veined; lateral sepals 10 x 3 mm,
slightly obliquely oblong-lanceolate, acute, 3-veined; petals 8 x 2 mm,
oblong-lanceolate, acute, margins serrulate, 3-veined; lip 11 x 3-6 mm,
3-lobed; lateral lobes 2 x 1 mm, obliquely ovate-oblong, obtuse; midlobe 6 x
6 mm, orbicular, margins crenate, wavy; base of the lip united with the
column foot and lateral sepals forming a cylindric spur, 3 x 1 mm, obtusely
bifid at apex.
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