Tuesday, March 30, 2010
Pyrus calleryana - Ornamental Pear
Pyrus calleryana: Pyrus, Latin for 'pear'; calleryana, named for J. Callery, a French missionary in China who collected this tree and brought it to the west
More upright in form than Pyrus kawakamii.
Commonly used as a street tree in New York.
Leaves less susceptible to leaf spot than P. kawakamii. Bark on stems tends to be a glossy reddish-brown.
Inedible fruit looks like a miniature pear.
Pinus densiflora - Japanese Red Pine
Pinus densiflora: Pinus, from Latin for 'pine'; densiflora, densely flowered -- possibly so named for its proliferation of cones.
Common in a multi-trunk form.
Needles in fascicles of two. Trees are monoecious.
'Oculus Draconis' cultivar has two yellow bands on each needle.
Flakey bark can resemble Ulmus Parvifolia.
Parrotia persica - Persian Parrotia
Nyssa sylvatica - Sour Gum
Metrosideros excelsa - New Zealand Christmas Tree
Monday, March 29, 2010
Geijera parviflora - Australian Willow
Eucalyptus ficifolia - Red-flowering Gum
Davidia involucrata - Dove Tree, or Handkerchief Tree
Davidia involucrata: Davidia, named in honor of a French missionary in China, Abbe Armand David, who collected many plants; involucrata for having an involucre, or a ring of bracts surrounding several flowers.
Showy white flowers are actually bracts, or modified leaves.
Cordate (heart-shaped) leaves