Iseilema species

Mohan, Kolagani Chandra, Mahesh, Y., Subramanyam, P., Sharma, Sushant & Prasad, Kothareddy, 2020, Iseilema kunhikannanii (Poaceae: Panicoideae), a new species from Rajasthan, India, Phytotaxa 434 (1), pp. 113-117 : 116

Key to the Indian Iseilema species:—

1. Pedicelled spikelets absent or much reduced ................................................................................ I. hubbardii Uppuluri (1968: 665)

- Pedicelled spikelets present................................................................................................................................................................2

2. Pedicelled spikelets shorter than the involucral spikelets .................................................. I. venkateswarlui Satyavathi (1968: 666)

- Pedicelled spikelets as long as or longer than the involucral spikelets ..............................................................................................3

3. Pedicels of involucral spikelets as broad as long .................................................................... I. anthephoroides Hackel (1889: 683)

- Pedicels of involucral spikelets longer than broad.............................................................................................................................4

4. Tubercles absent on spatheoles or spikelet.........................................................................................................................................5

- Tubercles present on spatheoles and/or spikelet.................................................................................................................................6

5. Involucral spikelets less than 3.5 mm long; lower glume 1-keeled ...................... I. jainiana Umamaheswari & Daniel (2001: 425)

- Involucral spikelets 4–5 mm long; lower glume 2-keeled ............................................... I. hackelii Shrestha & Gandhi (2008: 296)

6. Prostrate or decumbent herbs; hermaphrodite spikelets as long as involucral spikelets........... I. prostratum Andersson (1856: 251)

- Erect herbs; hermaphrodite spikelets longer than involucral spikelets ..............................................................................................7

7. Tubercles only on keel of spatheole; upper glumes 3-nerved, wings hairy; sessile spikelet 3.5–5.1 mm long; lower glume granulate on keels..................................................................................................................................................................................... I. holei

- Tubercles on both keels and marginal nerves of spatheole; upper glumes 1-nerved, wings glabrous; sessile spikelet 3–3.5 mm long; lower glume glabrous ................................................................................................................................... I. kunhikannanii sp. nov.