Rosa canina L.

국표에 없다.

Rosa canina, commonly known as the dog rose, is a variable climbing, wild rose species native to Europe, northwest Africa, and western Asia.

Description

The dog rose is a deciduous shrub normally ranging in height from 1–5 metres (3.3–16.4 ft), though sometimes it can scramble higher into the crowns of taller trees. Its multiple arching stems, are covered with small, sharp, hooked prickles, which aid it in climbing. The leaves are pinnate, with 5–7 leaflets, and have a delicious fragrance when bruised.

Forms of aestivation, sketch A: quintuscial

The dog rose blooms from June to July, with sweet-scented flowers that are usually pale pink, but can vary between a deep pink and white. They are 4–6 centimetres (1.6–2.4 in) in diameter with five petals. Like other roses it has a quintuscial aestivation (see sketch A in diagram). Unusually though, of its five sepals, when viewed from underneath, two are whiskered (or “bearded”) on both sides, two are quite smooth and one is whiskered on one side only.  It has usually 10 or more pistils, and multiple stamens.

Flowers mature in September to October, into an oval, 1.5–2-centimetre (0.59–0.79 in), red-orange hips. The fruits can persist on the plant for several months (if not eaten by wildlife) and become black.

It's form and flowers can be confused with fieldbriar Rosa agrestis and sweetbriar Rosa rubiginosa.

Rosa canina - Wikipedia

 

 

 

 

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