Day 56 of #JRBPVirtualTour! Unique plant for #MothersDay #DiaDeLaMadre: Western #leatherwood (#Dirca #occidentalis), #deciduous shrub with #pendulant yellow #flowers that emerge prior to leafing. #Endemic to #SanFrancisco #BayArea. @stanfordjrbp project: https://t.co/KUp57sW5aa