Burmannia Linnaeus 1753
Creators: name: Francis, Dani
name: Mohan, Vishnu
name: Venugopal, Divya K.
name: Nampy, Santhosh
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Dioscoreales
Burmanniaceae
Burmannia

description: Key to the Indian species of Burmannia   
1. Mycoheterotrophic, achlorophyllous herbs........................................................................................................................................2  
– Non mycoheterotrophic, chlorophyllous herbs..................................................................................................................................4  
 2. Rhizome tuberous; basal hanging connective spur absent............................................................................................ B. championii   
– Rhizome not tuberous; basal hanging connective spur present..........................................................................................................3  
 3. Perianth wings ca. 4.5 × ca. 0.5 mm, narrow, linear......................................................................................................... B. wallichii   
 – Perianth wings 5–10 × 2–3 mm, broad, half obovate-orbiculate............................................................................... B. candelabrum   
4. Radical rosette of leaves absent..........................................................................................................................................................5  
 – Radical rosette of leaves present (absent in B. pusilla)......................................................................................................................7   
 5. Stems unbranched; stem leaves thorn-like............................................................................................................................ B. stricta   
 – Stems branched; stem leaves not thorn-like, linear............................................................................................................................6 6. Wings 1.5–6 mm broad; margin of the perianth lobes swollen, not involute or revolute..................................................... B. indica   
 – Wings 0.3–0.5 mm broad; margin of the perianth lobes rather thin, involute............................................................. B. munnarensis   
7. Margin of the perianth lobes double...................................................................................................................................................8  
 – Margin of the perianth lobes single...................................................................................................................................... B. pusilla   
 8. Robust herbs, up to 75 cm high, with well developed, radical rosette of leaves up to 15 × 1.3 cm................................... B. disticha   
 – Slender herbs, up to 30 cm high; reduced, radical rosette of leaves about ca. 1 × ca. 0.3 cm.......................................... B. coelestis
description: Published as part of Francis, Dani, Mohan, Vishnu, Venugopal, Divya K. & Nampy, Santhosh, 2021, Burmannia munnarensis (Burmanniaceae) a new species and rediscovery of B. indica after 110 years from southern Western Ghats, Kerala, India, pp. 105-112 in Phytotaxa 507 (1) on pages 108-109, DOI: 10.11646/phytotaxa.507.1.6, http://zenodo.org/record/5425545