american samoa - University of Hawaii at Manoa

Islands. Setchell 289, 348; Christophersen 149,
1262; Whistler 9029!, 91 16.
ONAGRACEAE
Ludwigia hyssopifolia (G. Don) Exell
Erect, red-stemmed herb with alternate leaves,
small, yellow, 4-merous flowers, and a linear, longi-
tudinally ribbed capsule. Occasional in disturbed
wet places, reported from near sea level to 240 m
elevation. A modern introduction, now pantropic in
distribution. Lamoureux 3052; Whistler 3233,
8961!.
Ludwigia octovalvis (Sacq.) Raven
[primrose willow]
Tall, erect herb with alternate leaves, 4-parted
flowers with yellow, notched petals, and a cylin-
drical, many-seeded, longitudinally ribbed capsule.
Common in wet, disturbed places, reported from
near sea level to 900 m elevation. A modem intro-
duction, now pantropic in distribution. Setchell 6,
24, 361, 521 ; Eames T29; Garber 989; Lamoureux
3053: Whistler 8929!.
"Oxalis barrelieri L.
vine
OXALIDACEAE
Erect herb with opposite or alternate, trifoliate
leaves, long-stalked axillary inflorescences of pink,
5-merous flowers, and a ribbed, cylindrical fruit
with an acute tip. Occasional in disturbed places,
reported only from the lowlands. A modem intro-
duction, native to tropical America. (Whistler).
Oxalis corniculata L.
[wood sorrel] 'ii
Low, often prostrate herb with alternate, longpetiolate,
trifoliate leaves having obcordate leaflets,
yellow, 5-merous flowers, and a capsule that bursts
open to expel the seeds. Occasional in lawns, pastures,
and other sunny, disturbed places, reported
from near sea level to 550 m elevation. A Polynesian
introduction, cosmopolitan in distribution.
Setchell 323, 520; Garber 819, 946; Whistler 9036!.
PASSIFLORACEAE
Passiflora foetida L.
[love-in-a-mist] pasio vao
Hairy, herbaceous vine with alternate, palmately
3-lobed leaves, coiled tendrils, showy white flowers,
and a small, globose, edible fruit surrounded by
branching calyx lobes. Common in disturbed
places, reported only from the lowlands. A modem
introduction, native to tropical America. Whistler
1464, 895 1 !.
*Passiflora maliformis L.
Climbing vine with large, alternate, ovate to elliptic
leaves, coiled tendrils, showy white and purple
flowers, and a globose, hard-shelled fruit. Uncommon
in secondary forest, perhaps an escape from
cultivation, reported from near sea level to 300 m
elevation. A modem introduction, native to tropical
America. Whistler 3606,9152.
PIPERACEAE
"Macropiper puberulum Benth.
'ava'ava aitu
Shrub with alternate, cordate leaves, white, solitary
male spikes, and solitary female spikes bearing
numerous tiny red fruits. Occasional in lowland to
cloud forest, reported from near sea level to 1500 m
elevation. Indigenous, ranging from Fiji and Futuna
to Rapa. USEE s.n.; Whistler 2792.
*Peperomia leptostachya Hooker & Am.
Small terrestrial herb with puberulent opposite
leaves and long terminal spikes of minute green
flowers. Occasional in coastal forest, rarely in
montane forest, reported from near sea level to 500
m or more elevation. Indigenous, widespread from
Australia to Hawai'i. Setchell288; Whistler 2950.
"Peperomia lonchophylla C. DC.
Epiphytic herb with relatively large, alternate leaves
over 2.7 times longer than wide and spikes (2 or
more per axil) of minute green flowers. Occasional
in lowland to cloud forest, reported from 40 to 1500
m elevation. Endemic. Graeffe s.n.; Long 3049;
Whistler 2985, 3615.