Pterostegia drymarioides Fisch. & C.A.Mey.

03152413
03152413
us
PLANTS OF CALIFORNIA, USA
Pterostegia drvmarioides Fisch. & C.A.Mey.
Polygonaceae
Det.: S. R. Hill, (ILLS) 2001
SAN BERNARDINO COUNTY 34° 12.36* N Lat
117° 16.83’ W. Long. Waterman Canyon, San
Bernardino Mountains; vicinity of California Route 18
north of San Bernardino, east side of Old Waterman
Canyon Road, west to south west-facing slope. Vicinity
of bridge over stream. Elevation about 2530 feet.
Canyon, gneissic metamorphic rock, pockets of humus
and sandy soil.
Chaparral, shrubland on dry slopes, transition to mesic
canyon forest. Dominants in chaparral: Eriogonum
fasciculatum, Ceanothus spp., Eriodictyum
trichocalyx. Dominants in mesic areas: Acer
macrophyllum, Juglans califomica, Umbellularia,
Alnus, Salix, Vitis. Locally common delicate prostrate
herb on moist slopes in shade at the base of rock cliffs;
flowers green. Leaves ginkgo-like, flabellate.
Steven R. Hill 33441
25 April 2001