Contains 16 accepted taxa overall.
Characteristics
Classification
Citation
PANICUM Linnaeus, Sp. Pl. 55. 1753.
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TYPE Panicum miliaceum Linnaeus Lectotypified by Hitchcock & Chase, Contr. U.S. Natl. Herb. 15: 14. 1910.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Panicum amarulum | Southern Seabeach Grass | |||
| Panicum amarum | Bitter Seabeach Grass | |||
| Panicum bisulcatum | Blackseed Panic Grass | |||
| Panicum capillare | Old-witch Grass, Tumbleweed, Tickle Grass | |||
| Panicum dichotomiflorum var. dichotomiflorum | Spreading Panic Grass, Fall Panic Grass | |||
| Panicum dichotomiflorum var. puritanorum | Puritan Panic Grass | |||
| Panicum filipes | Hall's Panicgrass | |||
| Panicum flexile | Wiry Panic Grass | |||
| Panicum miliaceum ssp. miliaceum | Broomcorn Millet, Proso Millet, Hog Millet | |||
| Panicum philadelphicum ssp. gattingeri | Gattinger's Panic grass | |||
| Panicum philadelphicum ssp. lithophilum | Flatrock Panic Grass | |||
| Panicum philadelphicum ssp. philadelphicum | Woodland Panic Grass | |||
| Panicum repens | Torpedo Grass | |||
| Panicum virgatum var. cubense | Blunt Panic Grass | |||
| Panicum virgatum var. spissum | ||||
| Panicum virgatum var. virgatum | Switchgrass |
Identification Key
1. Spikelet 2.5-7.5 mm long; lower glume 1.8-4 mm long
2
1. Spikelet 1.8-4.1 mm long; lower glume 0.4-1.8 mm long
4
2. Annual; nodes puberulent; leaf sheath pilose with some papillose-based hairs; leaf blade upper surface pubescent
2. Rhizomatous perennial; nodes glabrous; leaf sheath glabrous to pilose; leaf blade upper surface glabrous or with few trichomes at the base
3
3. Plant glabrous throughout; panicle narrow and compact, the branches ascending to appressed; coastal, saline-influenced sites
3. Plant usually at least pilose basally on upper surface of leaf blades; panicle open and diffuse, the branches ascending to spreading; habitats various
4. Rhizomatous perennial; lower floret staminate
4. Annual or perennial without rhizomes, sometimes rooting at basal nodes; lower floret sterile
5
5. Nodes glabrous; lower glume 0.4-0.8 mm long; ligule of dense bristile to 2 mm long
6
5. Nodes pilose; lower glume 0.8-2 mm long
7
6. Leaf sheath and upper blade surface pilose with papillose-based hairs
6. Leaf sheath and upper blade surface glabrous to pilose, not papillose-based
7. Panicle 3.8-31 cm wide, <2 times longer than wide
7. Panicle 1.4-5.1 cm wide, 2-3 times longer than wide
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||