-
2009.11.01: Austria, Lower Austria (district Bruck/Leitha, 185 m AMSL): habitus, cultivated.The variety growing in pyramidal shape is preferred for parks and avenues; here they're planted in a ring around the circle of the Roman Amphitheatre of Carnuntum (Petronell). The leaves in the foreground also are from P. nigra.German name: Schwarzpappel
-
Commerce City, Colorado, United States
-
Mellen, Wisconsin, United States
-
Trembling Aspen (Populus tremuloides) in their autumn glory
-
-
-
Helsinki, Uusimaa, Finland
-
Populus tremuloidesquaking aspen. The U. S. Forest Service believes that quaking aspen has the widest range of any North American tree, extending from Newfoundland to the tree line in Alaska and south to Virginia and Arizona. "It propagates itself primarily through root sprouts, and extensive clonal colonies are common. Each colony is its own clone, and all trees in the clone have identical characteristics and share a single root structure. A clone may turn color earlier or later in the fall than its neighbouring aspen clones," Wikipedia "Populus tremuloides". Aspens quake because the petiole is flat and attached to the flat leaf at a 90 degree angle. the configuration causes the leaves to flutter in the wind. It is a characteristic shared with other Populus species.
-
-
Orinda, California, United States
-
2010-05-14 Lower Austria, district Bruck/Leitha (Steingschirr, 190 m AMSL).Seed capsules almost ripe - about to crack.German name: Schwarz-Pappel
-
-
Florissant, Colorado, United States
-
2010-03-28 Lower Austria, district Bruck/Leitha (Steingschirr, 190 m AMSL).Flower, male - background: stem/bark.German name: Schwarz-Pappel
-
Guildford, England, United Kingdom
-
Orinda, California, United States
-
2010-05-14 Lower Austria, district Bruck/Leitha (Steingschirr, 190 m AMSL).Ripe seed capsules, cracking.German name: Schwarz-Pappel
-
2010.04.13 Austria, Vienna XXII. district (160 m AMSL).Young leaves.Very common.German name: Schwarzpappel
-
2010-03-28 Lower Austria, district Bruck/Leitha (Steingschirr, 190 m AMSL).Flower, female.German name: Schwarz-Pappel
-
Klein-Neusiedl, Lower Austria, Austria
-
2010-05-14 Lower Austria, district Bruck/Leitha (Steingschirr, 190 m AMSL).Seed capsules almost ripe - shortly before cracking.German name: Schwarz-Pappel
-
2010-03-28 Lower Austria, district Bruck/Leitha (Steingschirr, 190 m AMSL).Flower, male.German name: Schwarz-Pappel
-
2007.10.14: Austria, Vienna XXII. district, 155 m AMSL, fallow land: young growth (2 or 3 years old), with frost.Flowering in march/april.Very common.German names: Silber-Pappel, Weiss-P., Alber.