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said by S.K.Barik (2018). And also, it is endangered species in Karnataka (Satheeshkumar et

al., 2004).
Vanda wightii.Rchb.f. :

Vanda wightii Rchb.f., Ann. Bot. Syst. 6:932. 1864; hooker f., Brit. India 6:5. 1890; Fisher in
Gamble, Fl. Pres. Madras :1445. 1928; Henry et al., J. Bombay nat. Hist. soc. 75:697. 1978

(1979); Ahmedullah & Nayar, Endemis Pl. Ind. Reg. 253.1986; Joseph, Orch. Niligiris 177.
1987; Mohanan & Balakrishnan in Karunakaran, C.K. (Ed.), Proc. Symp. Rare, Endang. End.

Pl. West. Ghats 189. 1991; Satish Kumar in Nair et al. (Eds), Eco-Develop. West. Ghats 51.

1986 & in Karunakaran, C. K. (Ed.), Proc. Symposium on Rare, Endang.End. Pl. west. Ghats
213. 1997; Nayar & Sastry (Eds), Red Data Book Ind. Pl. 2: 280. 1987.

Epiphytes. Stem 15-22cm long, profusely rooting at the base and leaves closely arranged

above. Leaves are joined at base, deeply channelled in the middle, V-shaped in cross section,
keeled, thick, fleshy and coriaceous, unequally bilobed at the apex. Inflorescence is simple

and axillary raceme, long with thick peduncle; sterile bracts 12, tubular, covering the
inflorescence axis; pedicle and ovary long; floral bracts, triangular ovate, gland dotted, acute

at the apex. Flowers 2-3, pleasantly fragrant, reminding strongly the smell of vanda
tessellate/Cestrum nocturnum, dirty brownish green with light yellow on sepals, petals and

lateral sepals, white at base and backside; dorsal sepal ovate-oblong, clawed and obtuse at

base, slightly wavy on margins, 7-veined, side veins branched, all veins connected by
intraveinal bridges; elliptic, obovate, obtuse at apex, 7-veined, margin at the basal portion

backwardly folded; petals, obovate-oblong, 5 veined, clawed at the base ,obtusely acute at
apex; lip white throughout, with a flash of yellow at inner backwall of sac between the

sidelobes; long with long saccate spur, immovably attached to the base of a short column
foot; side lobes, oblong, midlobe thick fleshy with 2 keels, medianly deep channelled; spur

wide mouthed, laterally compressed, obtuse at the apex, backwall with W shaped orange

making, tip with small papillae; column white, broadened at apex; anther terminal.
Operculum, 2 celled at base with one flap covering each cell, connected to column by a short

neck at base; pollinarium with 2 obovid pollinia, each pollinium, cleft attached by a thin

transparent and elastic caudicle to transparent stipe; stipe thin and roughly triangular, folded
at the base to the broad and roughly ovate viscidium. Fruit usually 4-5cm, light green, with

thick ridges and furrows.
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

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