Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
IMPERATA Cirillo, Pl. Rar. Neap. 2: (xxvi). 1792.
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TYPE: Imperata arundinacea Cirillo, nom. illegit. (Lagurus cylindricus Linnaeus; Imperata cylindrica (Linnaeus) Palisot de Beauvois)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Imperata brasiliensis | BRAZILIAN SATINTAIL | Not Native | ||
| Imperata cylindrica | COGONGRASS | Not Native UPL (NWPL) Y |
Identification Key
1. Major secondary veins of leaf blades typically whitish and distinctly discolorous from rest of blade; flowering after fire or cutting of shoots; upper lemmas absent or to 2.5 mm long; stamens 1 per floret, filaments dilated at base, anthers 1.4-2.8(3.2) mm long
1. Major secondary veins of leaf blades light green, scarcely discolorous from rest of blade, or whitish and discolorous; flowering year-round; upper lemmas (0.7)1.3-2.3(3.4) mm long; stamens 2 per floret, filaments not dilated at base, anthers (2.2)2.5-4.2 mm long
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Syllepis | Syllepis E. Fournier, Mexic. Pl. 2: 52. 1886. | TYPE: Syllepis ruprechtii E. Fournier (Imperata brasiliensis Trinius, var. mexicana Ruprecht) Lectotypified by Chase, Contr. U.S. Natl. Herb. 28: 9. 1929. |