Rivina humilis L.

Plants of Arizona
ARIZONA STATE UNIVERSITY
Rivina humilis L.
Family: Phytolaccaceae
Arizona, Cochise County; San Pedro Riparian National Conservation
Area,
Upper San Pedro River floodplain, 4-5 miles south of Hwy 82, -1 mile
east of San Pedro, in Rock Art site just north of BLM interpretive sign,
N 31° 39.729' , W 110° 10.508' 3922 ft.,
Habitat: Rocky outcrop adjacent Chihuahuan Desertscrub, whitethorn-
creosote, tarbush shrubland.
Associated spp: Acacia neovernicosa, A. greggii, A. constricta,
Flourensia cernua, Yucca elata, Larrea tridentata, Prosopis velutina,
Parthenium incanum, Rivina humilis, Isocoma tenuisecta, Abutilon
spp., Aloysia wrightii, Jatropha macrorihiza, Setaria macrostachya.
Notes: Perennial herb 80 cm, corolla white with pink tips, reflexed,
stamens alternating with petals, infrequent in SPRNCA, found only in
rocky outcrops
Collected by: Elizabeth Makings 1146 3 August 2002
04268752