The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

brownseed paspalum

Vasey grass, Vasey's grass

Habit Plants perennial; shortly rhizomatous, often indistinctly so. Plants perennial; cespitose, with a knotty base composed of very short (less than 1 cm) rhizomes.
Culms

30-110 cm, stout, erect;

nodes glabrous.

50-220 cm, erect;

nodes glabrous or pubescent.

Sheaths

glabrous;

ligules 2-3 mm;

blades to 35 cm long, 2-5.4 mm wide, conduplicate (rarely flat).

glabrous or pubescent;

ligules 1-4(7.7) mm;

blades 12-60 cm long, 2-12 mm wide, flat, mostly glabrous, a few long hairs near the base of the adaxial surface.

Panicles

terminal, with 2-7 racemosely arranged branches;

branches 1.6-7.1 cm, usually divergent, rarely merely ascending;

branch axes 0.6-1.1 mm wide, glabrous, terminating in a spikelet.

terminal, with (4)10-30 racemosely arranged branches;

branches 1.2-11.5 cm, divergent;

branch axes 0.5-1.1 mm wide, winged, glabrous, margins scabrous, terminating in a spikelet.

Spikelets

2.5-3 mm long, 1.5-2.2 mm wide, paired, appressed to the branch axes, elliptic-ovate, light to dark brown.

1.8-2.8 mm long, 1.1-1.5 mm wide, paired, appressed to the branch axes, elliptic to slightly obovate, stramineous (rarely purple).

Lower glumes

absent;

upper glumes usually with short, appressed pubescence, rarely glabrous, 5-veined, margins entire;

lower lemmas with short, appressed pubescence or glabrous, 3-veined, margins entire;

upper florets dark glossy brown.

absent;

upper glumes and lower lemmas 3-veined, margins pilose;

upper florets stramineous.

Caryopses

1.4-1.6 mm, brown.

1.2-1.7 mm, white.

2n

= 20, 40, 60.

= 40.

Paspalum plicatulum

Paspalum urvillei

Distribution
from FNA
AL; FL; GA; LA; MS; SC; TX; PR; Virgin Islands
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; AR; CA; FL; GA; KS; KY; LA; MO; MS; NC; OK; SC; TN; TX; VA; HI; PR
[WildflowerSearch map]
[BONAP county map]
Discussion

Paspalum plicatulum grows in prairies, along forest margins, and in disturbed areas. Its range extends from the southeastern United States through the Caribbean and Mexico to Bolivia, Paraguay, and Argentina.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Paspalum urvillei has been introduced to the United States from South America. In the Flora region it grows in disturbed, moist to wet areas, primarily in the southeastern United States.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 25, p. 581. FNA vol. 25.
Parent taxa Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum Poaceae > subfam. Panicoideae > tribe Paniceae > Paspalum
Sibling taxa
P. acuminatum, P. almum, P. bifidum, P. blodgettii, P. boscianum, P. caespitosum, P. conjugatum, P. conspersum, P. convexum, P. coryphaeum, P. dilatatum, P. dissectum, P. distichum, P. fimbriatum, P. floridanum, P. hartwegianum, P. intermedium, P. laeve, P. langei, P. laxum, P. lividum, P. malacophyllum, P. minus, P. modestum, P. monostachyum, P. nicorae, P. notatum, P. paniculatum, P. pleostachyum, P. praecox, P. pubiflorum, P. quadrifarium, P. racemosum, P. repens, P. scrobiculatum, P. setaceum, P. unispicatum, P. urvillei, P. vaginatum, P. virgatum, P. virletii, P. wrightii
P. acuminatum, P. almum, P. bifidum, P. blodgettii, P. boscianum, P. caespitosum, P. conjugatum, P. conspersum, P. convexum, P. coryphaeum, P. dilatatum, P. dissectum, P. distichum, P. fimbriatum, P. floridanum, P. hartwegianum, P. intermedium, P. laeve, P. langei, P. laxum, P. lividum, P. malacophyllum, P. minus, P. modestum, P. monostachyum, P. nicorae, P. notatum, P. paniculatum, P. pleostachyum, P. plicatulum, P. praecox, P. pubiflorum, P. quadrifarium, P. racemosum, P. repens, P. scrobiculatum, P. setaceum, P. unispicatum, P. vaginatum, P. virgatum, P. virletii, P. wrightii
Synonyms P. texanum
Name authority Michx. Steud.
Web links