Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
LEERSIA Swartz, Prodr. 1, 21. 1788, nom. cons. vs. Homalocenchrus Mieg 1760.
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TYPE: Leersia oryzoides (Linnaeus) Swartz, typ. cons. (Phalaris oryzoides Linnaeus)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Leersia hexandra | Southern Cutgrass | |||
| Leersia lenticularis | Catchfly Cutgrass | |||
| Leersia oryzoides | Rice Cutgrass | |||
| Leersia virginica | White Grass, White Cutgrass |
Identification Key
1. Cespitose; spikelets 1.5-2 mm long, glabrous
1. Rhizomatous; spikelets 2.5-6.5 mm long, the margins usually ciliate
2
2. Spikelets 2.7-3.5(4) mm wide
2. Spikelets 0.5-2 mm wide
3
3. Rhizome scales imbricate; inflorescence branches solitary at nodes; spikelets 2.4-3.3(3.6) mm long; anthers 2
3. Rhizome scales lacking or not imbricate; inflorescence branches 2-4 at the proximal nodes; spikelets 3.2-6.5 mm long; anthers 3 or 6
4
4. Inflorescence exserted, 5-15 cm long, branches appressed to ascending, spikelet-bearing to near the base; spikelets 3.2-4.7(5) mm long; anthers 6
4. Inflorescence exserted or enclosed partly by the leaf sheath, 10-30 cm long, branches spreading when exserted, naked on the lower 1/3; spikelets (4)4.2-6.5 mm long; anthers 3
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||