Thuja occidentalis (eastern arbor vitae tree) (Natural Bridge State Park, Virginia, USA) 2 (27804946205)

描述：

Description: Thuja occidentalis Linnaeus, 1753 - eastern arbor vitae tree in Virginia, USA. (13 May 2016) From park signage: "Before dying in 1980, this more than 1600 year old specimen of the arbor vitae tree was the oldest and largest known in the world. Its diameter measures 56 inches. Depending on climatic conditions that determine its growth rate, the arbor vitae increases in diameter about one inch every thirty years." Classification: Plantae, Spermatophyta, Pinophyta, Pinopsida, Pinales, Cupressaceae Locality: trailside forest along Cascade Creek, Natural Bridge State Park, southern Rockbridge County, west-central Virginia, USA See info. at: en.wikipedia.org/wiki/Thuja_occidentalis#cite_note-5. Date: 13 May 2016, 16:48. Source: Thuja occidentalis (eastern arbor vitae tree) (Natural Bridge State Park, Virginia, USA) 2. Author: James St. John.