Luisia filiformis Hook.f., Fl. Brit. India 6: 23 1890. (syn: Luisia gamblei Hook.f.; Luisia grovesii Hook.f.);
E. Himalaya to China (S. & SE. Yunnan) and Indo-China as per WCSP;
Assam; Bangladesh; Cambodia; China South-Central; East Himalaya; India; Laos;
Thailand; Vietnam as per Catalogue of Life;
Common name: Threadlike Luisia
Plant epiphytic or lithophytic, pendent; roots basal. Stem branched, covered by leaf sheaths, 2-3mm thick; sheaths tubular, striate, 1.5-3.5cm long. Leaves from one side of stem only, linear, terete, rugose, jointed, 17-27 x 0.07-0.1cm. Infloresence piercing through leaf-sheath 2-4mm above its base, thick, 5- to 8-flowered; peduncle attenuate, sheathed; rachis 5-8mm long; floral bracts broadly ovate, boat-shaped, subacute, 1.5-2 x 1.5-2mm. Flowers 3-5mm across; sepals white, petals white with yellow tips, lip deep purple with white edges; pedicel and ovary 2-4mm long. Dorsal sepal ovate-elliptic, weakly hooded, subacute, keeled, 5 x 1.5mm; lateral sepals spreading, filiform, obtuse, 5-11 x 0.25-0.5mm. Lip 3-lobed, ecallose, 4-6 x 1.5-2mm; hypochile broadly triangular to wedge-shaped, margins recurved, lateral lobes short, rounded; epichile arising from narrowed hypochile, broadly obovate, surface ridged, ape x truncate to obovoid, margins weakly undulate, 3 x 2mm. Column 1-1.5 x 1-1.5mm; anther cap subquardate. Fruit obovoid, ridged, 3 x 0.5cm.
(Attributions- N. R. Pearce & P. J. Cribb. Orichds of Bhutan. Published by RGoB and RBGE. 2002 from Bhutan Biodiversity Portal)
Luisia filiformis : 3 posts by 3 authors. Attachments (3)
It is threadlike orchid species with erect inflorescence. This species shows variation in its lip shape and coloration. Here, I am uploading my findings. Peoples working on this species could find it interesting.
Yes I have already seen this plant.