773
Polystachya concreta
Synonym
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:
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Callista flavescens
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Family
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Orchidaceae
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Flowering
and fruiting period
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July-August
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Distribution
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Pan tropical
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Distribution
in Kerala
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Palakkad, Idukki, Kollam, Thrissur, Pathanamthitta,
Kannur, Wayanad, Thiruvananthapuram
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Habitat
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Semi evergreen forests
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Uses
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Bark is a strong astringent, antimicrobial,
used for the treatment of liver and spleen diseases, rheumatism and tumors
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Key
botanical characters:
Epiphytes, to 15 cm high with globose pseudobulb, 1 x 1 cm.
Leaves 6-10 x 0.9-1 cm, linear-lanceolate, obtuse, 3-4 per pseudobulb.
Flowers pinkish-brown, in 10-15 cm long dense terminal raceme, flower bearing
portion about 2-3 cm long; dorsal sepal ovate, acute, 3-veined; lateral
sepals ovate, acute, basally connated and jointed with the column foot,
3-veined; petals linear, obtuse, apiculate, 1-veined; lip 2 x 1.5-2.8 mm,
3-lobed; lateral lobes obliquely oblong, acute; midlobe orbicular-ovate,
truncate at apex; disc with a longitudinal callus; column short continued
into a long foot; pollinia 2, globose.
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