Wats., Poaceae |
Present on Pacific Islands? no
Primarily a threat at high elevations? no
Risk assessment results: High risk, score: 12 (Go to the risk assessment)
Other Latin names: Poa nitida Elliott
Common name(s): [more details]
English: Elliott's lovegrass, field lovegrass |
Habit: grass
Description: "Perennial; caespitose. Culms erect, or geniculately ascending; 40-80 cm long. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs. Leaf-blades 20-40 cm long; 2-4 mm wide. Leaf-blade surface scabrous; rough adaxially. Inflorescence a panicle; deciduous as a whole. Panicle open; ovate; effuse; 20-40 cm long; 0.5-0.6 of culm length. Primary panicle branches ascending; subdividing 2-4 times. Panicle branches stiff. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 9-25 mm long. Spikelets comprising 8-15 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 5-12 mm long; 2 mm wide; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes obscured by lemmas. Glumes deciduous; similar; shorter than spikelet. Lower glume lanceolate; 1 mm long; 0.66 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 1.5 mm long; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute. Florets: Fertile lemma ovate; 2 mm long; membranous; keeled; 3 -veined. Lemma lateral veins distinct. Lemma apex acute. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped. Lodicules 2; cuneate; fleshy. Caryopsis with adherent pericarp; 0.7 mm long" (GrassBase).
Habitat/ecology: (no habitat/ecology info known by PIER)
Propagation: Seed
Native range: United States through Mexico to Guatemala, Honduras and Belize; also Bahamas and Jamaica (GRIN).
Presence:
Pacific Rim | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Central America
Central America (Pacific rim) |
Guatemala (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Central America
Central America (Pacific rim) |
Honduras (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Mexico
Mexico |
Mexico (United Mexican States) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Chiapas, Michoacan, Quintana Roo, Tamaulipas, Veracruz |
Also reported from | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
United States (continental except west coast)
United States (other states) |
United States (other states) |
native
|
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013) |
United States (continental except west coast)
United States (other states) |
USA (Florida) |
introduced
|
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013) |
Control: If you know of control methods for Eragrostis elliottii, please let us know.