Page 249 - e-Book

Threats to Vanda wightii Rchb.f.:

Destruction of hosts and habitats happened by road widening and railway lines in forest area.
Usually, some small regions or area covered with threatened species can causes threat, as this

information vanda wightii rediscovery says the orchid is endangered to Karnataka. Lot of
combustions from vehicles on road side makes the species in threaten. Forest fire leads to

threat even for Vanda wighti due to increase in temperature and Termite attack on the bark of
host species leads to fall off from host tree where the orchid is attached by epiphytic roots.

Few flowers (5-7) cause threat to Vanda wightii, (due to lack of pollination and fruiting) less

pollinators to set seed formation causes threat. Due to sunburn and high temperature also
threat to Vanda wightii. Due to illegal trading of orchids by non-experts gardeners Vanda

wightii (as it has got beautiful greenish yellow flowers) is going to be extinct.

Collection and Conservation:

The collection done with help of brief morphological studies on orchid, Due to their range of
diversity in shape, size and colour of flower and comprised of herbaceous plants,

characterized by distinct floral morphology, the purpose of collection was done by based on
informational sources, the current information from government is constructing the roads in

unscientific ways can causes and damages the threatened plant and even on wild plants in

forest area, sometimes they will extinct. Therefore, we collected V. wightii along with road
side. Based on section 38 explaining the Biological Diversity Act 2002 central government

announcement, the V. wighii is

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