Cyperus section Diffusi
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publication ID |
https://doi.org/ 10.11646/phytotaxa.203.2.7 |
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persistent identifier |
https://treatment.plazi.org/id/39771550-C71D-FFB7-44E7-F98CFA48C4B3 |
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treatment provided by |
Felipe |
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scientific name |
Cyperus section Diffusi |
| status |
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Key to the species of Cyperus section Diffusi of South Asia
1a. Perennials; rhizome present................................................................................................................................................................2
1b. Annuals; rhizome absent....................................................................................................................................................................5
2a. Culms less than 10 cm high; glumes up to 4 mm long....................................................................................................... C. radians View in CoL
2b. Culms more than 10 cm high; glumes up to 2 mm long....................................................................................................................3
3a. Leaves 7 mm wide; Stamens 2 .............................................................................................................................................. C. kurzii View in CoL
3b. Leaves 2 cm wide; stamens 3.............................................................................................................................................................4
4a. Rhizome 0.5–1 cm long; inflorescence lax, 6–10 cm long; glumes not closely imbricate ............................................... C. diffusus View in CoL
4b. Rhizome 3–4 cm long; inflorescence dense, 10–35 cm long; glumes closely imbricate.......................................... C. coonoorensis View in CoL
5a. Inflorescence congested into a head ................................................................................................................................... C. thorelii View in CoL
5b. Inflorescence compound to decompound umbel................................................................................................................................6
6a. Leaves 2–3; stamen 1 ............................................................................................................................................... C. multispicatus View in CoL
6b. Leaves many, stamens 2 ....................................................................................................................................................... C. helferi View in CoL
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