american samoa - University of Hawaii at Manoa

Paspalurn orbiculare Forst. f.
Mcdiuni-sizcd grass with several branches of
flattened spikelets on the main axis. Common in
wct places, reported from near sea level to 1650 m
elevation. Indigenous, widespread from Southeast
Asia to Ilawai'i. Garber 805; Eames T8; Christo-
phersen 3560; Whistler 2716, 2932, 2973, 8908!,
9063.9 179.
Paspalurn paniculaturn L.
Icrect grass with numerous long panicle branches
bearing small, round, flattened spikelets. Common
to abundant in sunny disturbed places and forest
clearings, reported from near sea level to 200 m
elevation. A modern introduction, native to tropical
America. Whistler 8622!.
*Paspalurn setaceum Michx.
Small grass with a solitary inflorescence branch on
the apex of the rachis, and round, flattened spike-
lets. Uncommon to locally common in lawns and
sunny disturbed places, reported only from the
lowlands. A modem introduction, native to North
America. Whistler 4987.
*Paspalum urvillei Steud.
Tall grass with several long panicle branches
bearing round, flattened, hairy spikelets. Uncom-
mon in disturbed places, reported only from the
lowlands. A modem introduction, native to tropical
America. Whistler 325, 1453, 8418.
Paspalurn vaginaturn Sw.
Medium-sized grass spreading by means of under-
ground rhizomes and bearing spikelets on two
terminal inflorescence branches. Common along
estuaries and on rocky or sandy shores, reported
only on the coast. Probably an early European
introduction, pantropic in distribution. Whistler
8921!.
"Pennisetum purpureum Schumacher
Robust grass with bristly spikelets in large yellow,
cylindrical panicles. Occasional in clumps or
thickets in disturbed places such as roadsides,
reported from near sea level to 650 m elevation. A
modern introduction, native to tropical Africa.
Whistler 1424.
*Sacciolepis indica (L.) Chase
Small grass with a long scape bearing a dense,
narrow, cylindrical spike of short-awned spikelets.
Uncommon in disturbed places, reported from 350
to 650 m elevation. A modem introduction, native
to the Old World tropics. Whistler 9 180.
*Setaria glauca (L.) Beauv.
Small grass with a dense, yellow, cylindrical inflo-
rescence bearing spikelets subtended by basal
bristles. Occasional in disturbed places, reported
from near sea level to 600 m elevation. A modern
introduction, native to the Old World tropics.
Whistler 2815, 9161.
"Sorghum sudanense (Piper) Stapf
Tall, erect, annual grass with leaves spotted with
purple, and large, brown, awned or awnless spike-
lets. Occasional to common in sunny, disturbed
places, reported only from the lowlands. A modem
introduction, native to the Mediterranean area.
Whistler 9008.
Sporobolus diander (Retz.) P. Beauv.
Clump-forming grass with linear leaves and a
narrow cylindrical panicle with short ascending
branches bearing awnless spikelets from which the
brown seed drops. Common in lawns and disturbed
places, reported from near sea level to 240 m
elevation. A modem introduction, native to India.
Larnoureux 3064,3084; Whistler 8971 !.
Stenotaphrum micranthum (Desv.) C. E. Hubb.
Medium-sized grass with spikelets embedded in a
thickened rachis that does not break apart at
maturity. Uncommon on sandy shores, reported
from near sea level to 260 m elevation. Indigenous,
widespread from Southeast Asia to the Society
Islands. USEE s.n.; Rechinger 3703; Whistler 8420,
8691!, 9025!.
*Stenotaphrum secundatum (Walter) Kuntze
Low, mat-forming grass with a spicate inflorescence
with the spikelets embedded in the thick rachis.
Uncommon in lawns and sunny disturbed places,
reported only near the coast. A modem introdu-
ction, perhaps native to both Africa and tropical
America. Setchell201, 501 ; Whistler 1289, 8438.