April Color Appears at the Washington Park Arboretum (Part II)

Selected cuttings from the Washington Park Arboretum (April 15 - 28, 2013)

“Now it will Spring forth!”

1)  Acer macrophyllum    (Bigleaf maple)

  • Taken for granted around here, this time of year our Bigleaf maple is most eye-catching in flower.
  • It’s the subtle texture of its expanding leaf that drew my attention.
  • Located throughout our native matrix as the dominant deciduous forest tree.

2)  Aesculus wangii

  • A horse chestnut classified as vulnerable in its native habitat of Vietnam.
  • Notice the flattened bract-like stipule of the newly-expanding leaves.
  • Our young, marginally-hardy specimen is located in Loderi Valley.
Close-up view of Kalopanax septemlobus (Prickly castor-oil tree)
Close-up view of Kalopanax septemlobus (Prickly castor-oil tree)

3)  Kalopanax septemlobus    (Prickly castor-oil tree)

  • Deciduous tree from northeast Asia known for its “tropical” appearance in full-leaf.
  • I was impressed by the size of the bud bracts and pure white indumetum of the expanding leaves.
  • This specimen is located along the eastern side of Arboretum Creek, south of Boyer Ave. East

4)  Picea meyeri    (Meyer’s spruce)

  • Spruce tree native to China, similar in appearance to Colorado Blue spruce.
  • Quite striking, springing forth new needles in combination with red male and female cones.
  • Located in the Pinetum, just west of path and south of Stone Bridge.
Close-up of the poplar, Populus sp
Close-up view of the poplar, Populus sp

5)  Populus sp

  • The detail and color contrast in the expanding leaf is awesome!
  • This poplar is unidentified in our collections, but worthy of attention.
  • Located in the Poplar Collection, south Azalea Way.

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