ancient california buckeye tree aesculus californica with hollow white trunk and twisted branches, still alive; uc berkeley

aesculus alive america ancient area bark bay beautiful beauty berkeley botanical botany branches buckeye burl california californica campus close closeup day deciduous detail environment foliage forest francisco gnarly green hollow horsechestnut knots large leaf leaves living macro many native old outdoor park rough san season spring states still sunny tree trunk twisted united usa wallpaper white wood