*Pinus thunbergii

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*Pinus thunbergii
JAPANESE BLACK PINE

Pinaceae
Asia

Location: map coordinates L-32 (southeast corner of Mishoe Science Center), N 39°11'10'' W 75°32'26''

Planting history: presently unknown.

Description:
  • small- to medium-sized evergreen tree, conifer
  • etymology: Pinus = the Latin name; thunbergii from Carl Peter Thunberg (1743-1828) Swedish botanist/physician and student of Linnaeus; introduced many plants from Japan
  • needles in 2’s; 3”-4.5” long
  • cones 2”-3” long
  • tree shape irregular, open
  • susceptible to an American species of nematode (roundworm), whose introduction to Japan has caused this pine to become endangered there in its native land
  • drought-tolerant; sandy soils. Planted to stabilize dunes; many planted at Cape Henlopen Delaware in WW II, where it became invasive and is now being removed

*Non-native species (not native to Delaware). Listed as Invasive in Delaware, on dunes of Atlantic Coast (coastal plain), Sussex County
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