Aesculus hippocastanum (seed)

Introduction

Introduction from Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Aesculus_hippocastanum, retrieved 02/20/2012).

Aesculus hippocastanum is a large deciduous tree, commonly known as Horse-chestnut or Conker tree.

Aesculus hippocastanum is native to a small area in the mountains of the Balkans in southeast Europe, in small areas in northern Greece, Albania, the Republic of Macedonia, Serbia, and Bulgaria (Pindus Mountains mixed forests and Balkan mixed forests). It is widely cultivated throughout the temperate world.

It grows to 36 m tall, with a domed crown of stout branches, on old trees the outer branches often pendulous with curled-up tips. The leaves are opposite and palmately compound, with 5–7 leaflets; each leaflet is 13–30 cm long, making the whole leaf up to 60 cm across, with a 7–20 cm petiole. The leaf scars left on twigs after the leaves have fallen have a distinctive horseshoe shape, complete with seven "nails". The flowers are usually white with a small red spot; they are produced in spring in erect panicles 10–30 cm tall with about 20–50 flowers on each panicle. Usually only 1–5 fruit develop on each panicle; the shell is a green, softly spiky capsule containing one (rarely two or three) nut-like seeds called conkers or horse-chestnuts. Each conker is 2–4 cm diameter, glossy nut-brown with a whitish scar at the base.

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Horse Chestnut (seed) (Aesculus hippocastanum)

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