OregonFlora: Paspalum urvillei vs. Paspalum

	Paspalum urvillei	Paspalum
		paspalum
Habit		Plants annual or perennial, up to 4m tall, cespitose or rhizomatous.
Culms		solid or hollow; erect, spreading or prostrate.
Leaves		sheaths open; auricles sometimes present; ligules membranous; blades flat or folded.
Inflorescences		terminal or axillary; panicles with 1 to many spike-like branches; branches spreading or erect, flattened, usually winged, usually terminating in a spikelet; disarticulation below the glumes.
Spikelets		dorsiventrally flattened; plano-convex, subsessile to short-stalked; solitary or paired; in 2 rows along one side of the branches, with 2 florets; the lower sterile; the upper bisexual.
Glumes		lower glumes absent, or present on only some spikelets in each branch; veinless or 1-veined; awnless; upper glumes membranous with rounded tips; awnless.
Caryopses		orbicular to elliptical; plano-convex or flattened, white, yellow, or brown.
Lemmas		lower lemmas similar to upper glumes; upper lemmas convex; involute, clasping the paleas; straw-colored to dark brown; hard; smooth to slightly rugose.

	Paspalum urvillei	Paspalum
Distribution	[WildflowerSearch map] [BONAP county map]	[BONAP county map]
Discussion		Tropical and warm temperate regions worldwide. 300–400 species; 2 species treated in Flora.
Source		Flora of Oregon, volume 1, page 442 Barbara Wilson, Richard Brainerd, Nick Otting
Sibling taxa	P. dilatatum, P. distichum
Subordinate taxa		P. dilatatum, P. distichum
Web links	Local floras: CA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Paspalum urvillei

Paspalum

paspalum

Habit

Plants annual or perennial, up to 4m tall, cespitose or rhizomatous.

Culms

solid or hollow; erect, spreading or prostrate.

Leaves

sheaths open;

auricles sometimes present;

ligules membranous;

blades flat or folded.

Inflorescences

terminal or axillary; panicles with 1 to many spike-like branches;

branches spreading or erect, flattened, usually winged, usually terminating in a spikelet;

disarticulation below the glumes.

Spikelets

dorsiventrally flattened; plano-convex, subsessile to short-stalked; solitary or paired; in 2 rows along one side of the branches, with 2 florets; the lower sterile; the upper bisexual.

Glumes

lower glumes absent, or present on only some spikelets in each branch; veinless or 1-veined; awnless;

upper glumes membranous with rounded tips; awnless.

Caryopses

orbicular to elliptical; plano-convex or flattened, white, yellow, or brown.

Lemmas

lower lemmas similar to upper glumes; upper lemmas convex; involute, clasping the paleas; straw-colored to dark brown; hard; smooth to slightly rugose.