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Renanthera imschootiana Rolfe
Due to destruction of habitat, the population of Red Vanda plant is gradually depleting in the wild and becoming endangered.
Vernacular name: State Flower of Manipur
English: Red Vanda, Imschoot's Renanthera
Manipuri: Kwaklei Hangampal, Kwaklei Angangba
Mizo: Senhri
Taxonomic Hierarchy
Kingdom: Plantae – plantes, Planta, Vegetal, plants
Subkingdom: Viridiplantae
Infrakingdom: Streptophyta – land plants
Superdivision: Embryophyta
Division: Tracheophyta – vascular plants, tracheophytes
Subdivision: Spermatophytina – spermatophytes, seed plants, phanérogames
Class: Magnoliopsida
Superorder: Lilianae – monocots, monocotyledons, monocotylédones
Order: Asparagales
Family: Orchidaceae – orchids
Genus: Renanthera Lour.
Species: Renanthera imschootiana Rolfe
Phytogeography: An endangered species, Red Vanda is restricted to the State of Manipur and neighbouring areas in North-Eastern India. It grows on small shrubs and trees at elevations of 300-500 meter flowering during spring. It is one of the loveliest species in India with limited distribution. It is found in India, China, Myanmar, Indonesia, Cambodia, Laos and Vietnam.
Plant description: The branching spikes of this magnificent species can often attain 90 cm or more and the multitude of flowers appearing like a shower last for a long time. Red Vanda is renowned for its bright crimson flowers with red spots on a pale orange background of its dorsal sepal and petals. The long, branching inflorescence bearing more than 20 flowers is remarkably beautiful.
Leaves: 80–120 9 20–30 mm, dark green, oblong-lanceolate, apex unequally lobed
Flowers: Many flowered, longer than leaves, >300 mm in length, horizontal. 45 mm across, dorsal sepal 16 9 5.0 mm spathulate with red blotch at tip; laterals 22 9 12 mm crimson, orbicular-oblong; lateral petals 12–03 mm yellowish with red spots, linear spathulate; lip 06-07 mm long, red with 5–7 creamish call.
Fruits or seeds:
Flowering season: April-July
Propagation: Foliar regeneration, Seedlings
Parts used: Leaves
Pharmacological actions: Antiseptic
Medicinal uses: Skin diseases
The leaves of the plant can be made into paste by grinding with water and the paste can be applied to treat skin diseases.
Other uses: It has ornamental values.
References
ITIS, 2017, “Renanthera Lour.,” Integrated Taxonomic Information System on-line database, March 13, 2017. [Web Reference]
Kisho, R. and Sharma G.J., 2009, “Intergeneric hybrid of two rare and endangered orchids, Renanthera imschootiana Rolfe and Vanda coerulea Griff. ex L.(Orchidaceae): Synthesis and characterization,” Euphytica; 165(2):247. [Web Reference]
Nongdam P., 2014, “Ethno-medicinal Uses of some Orchids of Nagaland, North-east India,” Research Journal of Medicinal Plant; 8(3):126-139. [Web Reference]
Pagag K and Singh S.K., “MIZORAM,” Botanical Survey of India, C.G.O. Complex, Salt Lake City, Kolkata. [Web Reference]