Rabu, 19 Mei 2010

Ophrys

The genus Ophrys is a large group of orchids from the alliance Orchis in the subtribe Orchidinae. There are many natural hybrids. The type species is Ophrys insectifera L.1753

They are referred to as the "Bee orchids" due to the flowers of some species resemblance to the furry bodies of bees and other insects. Their scientific name Ophrys is the Greek word for "eyebrow", referring to the furry edges of the lips of several species.

Ophrys was first mentioned in the book "Natural History" by Pliny the Elder (23-79 AD).

They are terrestrial or ground orchids from central to South Europe, North Africa, Asia Minor, up to the Caucasus Mountains, but mostly in the Mediterranean region. They are considered the most important group of European terrestrial orchids.

During summer all Ophrys orchids are dormant as an underground bulbous tuber, which serves as a food reserve. In late summer/autumn they develop a rosette of leaves. Also a new tuber starts to grow and matures until the following spring; the old tuber slowly dies. The next spring the flowering stem starts to grow. During flowering the leaves already start to wither.

Most Ophrys orchids are dependent on symbiotic fungi. Because of this, some species only develop small alternate leaves. Transplanting specimens, especially wild specimens, is difficult, sometimes impossible, due to this symbiosis. The shiny, basal leaves have a green or bluish color. Two to twelve flowers grow on an erect stem with basal leaves.


Source: http://en.wikipedia.org/wiki/Ophrys


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