Trichoglottis, Blume (1825: 359), Blume, 1825

Bandara, Champika, Atthanagoda, Anusha Gayan, Peiris, Gayan Prasanga, Jayasundara, Ramitha, Ranasinghe, Bhanuka, Kumara, Udayanga Nuwan, Aberathne, Nimantha, Hettiarachchi, Dushantha, Dissanayake, Malith, Karunathilake, Thimira, Bandara, Niwahal Vimukthi, Fernando, Oshan Dewmith, Wijesundara, Chandra Bandara, Bandara, Nadeesha Lewke & Kumar, Pankaj, 2023, Trichoglottis quadriga (Orchidaceae: Epidendroideae: Vandeae: Aeridinae), a new species from Central Highlands of Sri Lanka, Phytotaxa 609 (4), pp. 265-272 : 272

FIELD IDENTIFICATION KEY TO THE ALL TRICHOGLOTTIS SPECIES IN SRI LANKA

1. Stem short, <2 cm; raceme 4-flowered............................................................................................................ Trichoglottis quadriga

- Stem long> 10 cm; raceme 2 (rarely 3‒4)-flowered ........................................................................................................................ 2

2. Leaves 6.5‒8 × 1.2‒1.6 cm; stem pendulous.................................................................................................................... T. longifolia

- Leaves 1.7–4.5 × 0.7–1.4 cm; stem erect ............................................................................................................................... T. tenera