Sarcostemma cynanchoides subsp. hartwegii (Vail) R.W.Holm

zn ca
RANCHO SANTA ANA BOTANIC GARDEN
Hora of Baja California, Mexico
Asclepiadaceae
Sarcostemma cynanchoides Decne.
ssp. hartwegii (Vail) R.Holm
SIERRA LA ASAMBLEA: southwest foot of the range
near the W edge of Mesa Yubay and the SSW side of
Mesa Cuerno de Borrego; ca 7.0 road miles NNE of the
abandoned site of El Desengaño.
Broad, braided sandy wash with vegetated "sandbar1
benches; N side of the wash marked by steep, dark, rocky
volcanic slopes (basaltic?); S side of the wash consisting
of low, slightly rolling decomposed granite flats with
occasional eroded bouldery outcrops; the flats largely
characterized by low, rounded shrubs with scattered,
towering Pachycereus pringlei.
Twining herbaceous perennial; scattered locally but
apparently not common.
ALT: ca 770-810m Near 29°12'30"N 114°00'50"W.
NEW YORK BOTANICAL GARDEN
04203471
Timothy S. Ross 7062
Walter Appleby, Steve Boyd.
3 May 1993
04203471