Rosa woodsii

Rosa woodsii , the rose tree of Woods , is a species of Rosier, classified in the section of the '' Cinnamomeae '', originating in the west of the North America since the Alaska and the British Columbia in north until north in the Mexico towards the south.

The species is dedicated to Joseph Woods (1776-1864), English botanist who studied the rose trees and off published in particular Synopsis the British Species off Rosa in 1818.

There are three varieties:

Rosa woodsii VAr. woodsii , the type of the species, introduced in 1880
Rosa woodsii VAr. fendleri (Crép.) Rehder, cultivated variety
Rosa woodsii VAr. ultramontana (S.Watson) Jeps.,

Synonymous:

Rosa fendleri Crép.
Rosa californica Watson.
Rosa macounii Greene
Rosa chrysocarpa Rydb.

Description

It is a sarmentous shrub being able to reach two meters length and formant of the dense thickets. The stems with the furrowed bark red-brown are provided with many pivots.

The sheets null and void, alternate, are imparipennées and include/understand from 5 to 7, sometimes to 11 elliptic leaflets from 1 to 1,5 cm length.

The flowers, which appear in June July are simple, solitary or grouped in corymbes, small, from 1 to 3 cm in diameter, pink color and very scented. The globulous fruits with ovoid, reds with maturity, have 8 to 10 mms in diameter and up to 2 cm length.

Use

Rosa woodsii VAr. fendleri is cultivated as Rosa macounii which for some is a variety of Rosa woodsii with fruits applatis, for others a species. Rosa macounii was introduced in culture since 1826

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