american samoa - University of Hawaii at Manoa

this in D. ciliaris, but the two have entirely different Eleusine indica (L.) Gaertn.
growth forms. A modern introduction, native to [goosegrass] ta'ata'a
tropical Asia. Whistler 3760, 8416.
Digitaria horizontalis Willd.
Medium-sized grass with shortly awned spikelets in
thick panicle branches (usually 2 or 3 of them terminal
with one lower). Common in sunny distur-
Ikect grass with awnless spikelets in digitately bed places, especially along dirt roads, ;eported
arranged panicle branches bearing scattered hairs. from near sea level to 300 m elevation. A Polyne-
Occasional in disturbed places, reported from near sian introduction, native to the Old World tropics.
sea level to 350 m elevation. A modern introdu- Reinecke 268; Setchell 510; Garber 794, 810;
ction, native to tropical America. Whistler 8913!. Whistler 8620!.
*Digitaria radicosa (Presl) Miq. *Eragrostis pilosa L.
Small grass with awnless spikelets in 2-4 digitately Delicate grass with fine, spreading panicle branches
arranged panicle branches. Occasional in disturbed and tiny, flattened spikelets. Uncommon in disturplaces
in coastal areas, reported from near sea level bed places, reported only from the lowlands. A
to cu. 300 m elevation. Probably a Polynesian modern introduction, native to Southern Europe.
introduction, native to the Old World tropics.
Whistler 302.
Lamoureux 3065.
"Eragrostis tenella (L.) Beauv. ex Roemer &
Digitaria setigera Roth ex Roemer & Schultes Schultes
Medium-sized grass with paired spikelets on long
branches arranged subdigitately and spreading little
at maturity. Common along the coast and in sunny
disturbed places, reported from near sea level to 950
m elevation, Indigenous or a Polynesian intro-
duction, ranging from India to Hawai'i. Garber
797; Wilder 30; Wisner 27; Lamoureux 3079;
Whistler 8924!, 8927!.
Digitaria violascens Link
[lovegrass]
Delicate grass with narrow panicle branches bearing
tiny flattened spikelets. Common in lawns and in
sunny, disturbed places, reported only from the
lowlands. A modem introduction, native to the Old
World tropics. Setchell 157, 505; Eames T6; Garber
796; Christophersen 1178.
Eriochloa procera (Retz.) C. E. Hubb.
Narrow grass with a panicle of small awnless
Medium-sized grass with shiny black inner glumes spikelets having a conspicuous purple ring at the
and awnless spikelets on digitately arranged panicle base. Occasional in disturbed places, reported only
branches. Uncommon to occasional in disturbed from the lowlands. A modem introduction, native to
places, reported from near sea level to 600 m eleva- the Old World tropics. Lamoureux 3081; Whistler
tion. A modern introduction, native to tropical Asia. 326, 2920, 3290, 8970!.
Whistler 301, 8629!.
*Imperata conferta (Presl) Ohwi
Echinochloa colona (L.) Link.
[barnyard grass]
Erect grass with awnless spikelets closely packed on
several short panicle branches. Common in sunny,
disturbed places, reported only from near sea level
to 300 m elevation. A modem introduction, native
to the Old World tropics. Setchell 503; Eames T26;
Wilder 21a; Garber 966; Lamoureux 3086; Whistler
8625!.
Medium-sized grass with silky spikelets arranged in
a narrow, plumose inflorescence. Uncommon on
Tutuila in sunny disturbed places, elsewhere in
Samoa also found on montane lava and ash flows
and femlands, reported from near sea level to 1500
m elevation. . Indigenous, ranging from Southeast
Asia to Samoa. USEE s.n. (n.s.); Whistler 293 1.
*Ischamemurn indicum (Houtt.) Merr.
Small grass with a pair of terminal, spreading race-
mose branches of long-awned spikelets. Common