Populus tremula, SE: Osp, DE: Zitter-Pappel,
NL: Ratelpopulier, UK: Aspen, Trembling poplar

Scientific name:		Populus tremula L.
Swedish name:		Asp
German name:		Zitter-Pappel
Nederlandse naam:		Ratelpopulier
English name:		Aspen, Trembling poplar
Family:		Salicaceae, Willow Family, Videväxter

Location: Bispgården, Ragunda Kommun, Jamtlands Lan, Sweden; Date Picture Taken: April 18, 2009

Life form:		Tree, dioecious
Stems:		Creamy yellow pitted bark with bands of black diamonds; twigs are Slender and shiny dark brown
Leaves:		Alternate nearly round, dentate leaves and a laterally flattened petiole 4-8 cm long, which allow them to tremble (the source of he scientific name). The leaves on seedlings and fast-growing stems of root sprouts are very different, heart-shaped to nearly triangular, and often much larger, up to 20 cm long; their petiole is also less flattened.
Flowers:		Dioecious, wind-pollinated catkins; male: 5–10 cm long, green and brown catkins; female: 2-4 cm long green catkins
Flowering Period:		April, May, before the new leaves appear
Fruits:		White and fluffy
Habitat:		Aspen is throughout Sweden and is one of the most common leaf trees

Location: Bispgården, Ragunda Kommun, Jamtlands Lan, Sweden; Date Picture Taken: April 18, 2009 Derivation of the botanical name: Populus Latin for "poplar," derivation obscure. tremuloidestremulus, "shaking, trembling, quivering", oides -οειδεϛ suffix for nouns: like, resemble; referring to the way the leaves flutter and move in the slightest breeze. The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy. Traditionally, aspen wood has been used for making matches, plywood, and sauna benches. Location: Bispgården, Ragunda Kommun, Jamtlands Lan, Sweden; Date Picture Taken: April 22, 2009 Location: Bispgården, Ragunda Kommun, Jamtlands Lan, Sweden; Date Picture Taken: April 22, 2009