olneya tesota bark - joshua tree np - 040121 d

aging angiosperms bark beauty biodiversity biology botanical botany brown bush california colorado conservation cottonwood creosote deciduous desert eudicots exfoliated fabaceae fabales faboideae family flora furrow grey indigenous ironwood joshua layer monoclinous mountains national native natural nature olneya outdoors outside park pea peaceful perennial plants ranges reserve ridge robinieae rosids sanctuary science scrub spring subfamily surface tesota tranquility transverse tree tribe vegetation woody