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'R. sericea pteracantha' rose References
Article (newsletter)  (Nov 2017)  Page(s) 9-10.  Includes photo(s).
 
The Veitch nursery, ..... excited by his finds, sponsored him on another journey to China the following year. In June 1903, on a plateau of Mr. Wa Shan at 8,500 feet, he encountered “a mass of lovely white.” Thriving among rhododendron, honeysuckle, and primroses, was R. sericea (meaning silky rose). This seems to have been the same form of the rose he came upon four months later on sacred Mt. Omei at 11,000 feet, dispersed among rhododendron, spirea, dwarf bamboo, willow, barberry, and birch. It was “common on the windswept mountain sides.” Wilson sent seeds of the plant to Veitch (and again in 1910 to the Arnold Arboretum of Harvard, having also seen it near the summit of Mt. Wan-Tiao Shan). It was named R. omeiensis f. pteracantha. Today it is called R. sericea var. pteracantha.
It is only fair to add that Wilson was not the first Westerner to discover this rose. French missionary Delavay had sent seeds of it to Maurice de Vilmorin in 1890. Incidentally, the huge wing-like, wine-red prickles are a random trait of the plant. Aside from the large prickles, the distinctive feature of this rose is its flowers, usually of only four petals. Usually is the key word here, as botanist H. L. Bean pointed out. In 1992 Miriam Wilkins in El Cerrito, California, counted seven petals on the first bloom of her R. sericea.
Newsletter  (Aug 2015)  Page(s) 10. Vol 36, No. 4.  Includes photo(s).
 
Our Cover Rose. R. sericea pteracantha. This is a species rose first found in France in 1890. The only rose grown principally for the beauty of its wedge shaped thorns which are large, flat, broad at the base and brilliant blood-red when young. The plant is best placed so that the sun shines through the prickles preferably during the early morning or late afternoon. The thorns can be as much as 4cms long. The flowers are white, four petaled with yellow stamens. This is a very uncommon feature as all other single roses have 5 petals. The foliage is healthy ferny grey green. It needs to be hard pruned in winter if you want the display of the thorns as they are produced on the new wood. There is something quite magical about this rose, with its pearl shaped buds, delicate foliage, exquisite flowers and magnificent display of ruby red thorns.
Book  (1996)  Page(s) 85.  
 
R. omeiensis 'Atrosanguinea'. 4 petals. Deep red fruit. Deep red prickles.
Book  (1988)  Page(s) 172.  
 
location 146/12, 215; R. sericea Lindl. var. Pteracantha (Franch.) Bean (r. omeiensis var. pteracantha Rehd. & Wils.), PIMPINELLIFOLIAE, China, western Szechuan mountains, 3000-3600 m, 1890, white, 4 petals, single, small, mild fragrance, early-blooming, floriferous, vigorous, bushy, broad, branched, 2 m, broad translucent prickles, many bristles, medium-dark green small-medium matte-glossy foliage, 11 leaflets, dark orange-red small rounded to pear-shaped hips with thickened glossy stems, extended firm sepals,..
Book  (1981)  Page(s) 139.  Includes photo(s).
 
R. sericea f. pteracantha Franch. syn. R. sericea var. pteracantha (Franch.) Boulenger; R. omeiensis f. pteracantha (Franch.) Rehd & Wils.
This remarkable form was introduced to gardens by the French missionary Delavay, who sent seeds to Maurice de Vilmorin's collections at Les Barres in 1890. It was put into commerce in Britain by Messrs George Paul and Son...
The production of these huge wing-prickles is a random character....Pteracanthous forms have also been found in Manipur and the E. Himalaya, and according to Wilson are common on the ...mountain-sides of W. Szechwan....His [lots of seed] were collected from wing-prickled plants, though not all the seedlings showed this character...
Book  (1972)  Page(s) 21.  
 
Deane Ross.  Let's Go Wild With Roses. 
What forms do these "shrubs" take?   First of all, most have single or five petalled blooms, but not all, as many have double forms by mutation.  One interesting exception, however, has four petals, hence the common name of the Maltese Cross rose. 
Magazine  (Aug 1970)  Page(s) 3. trimester, p. 23.  Includes photo(s).
 
Rosa sericea pteracantha
Website/Catalog  (1970)  Page(s) 25.  
 
ROSA SERICEA PTERACANTHA. Ce rosier arbuste est surtout remarquable par ses très gros aiguillons decurrents plats et larges de coloris rouge, et son feuillage très fin.
Magazine  (Nov 1952)  Page(s) 4.trimester, p. 115.  
 
Le Rosa Sericea pteracantha, forme un très beau buisson à feuillage très fin, les rameaux arqués se couvrent de nombreuses petites fleurs, blanc crème, mais c'est surtout par ses larges épines d'un rouge brillant, translucides, qu'il est très décoratif et mérite d'occuper une place dans les jardins.
Magazine  (Apr 1938)  Page(s) 12.  
 
Rosa sericea Lindl. Var. : pteracantha Franch. s var : fructu lutea Hort. Hauteur : 2 m., buissonnant, rameaux gris, nombreux aiguillons courts, larges ; fleurs blanches, simples, en mai. Fruits jaunes.
Paris, le 27 mai 1937.
STEINBACH, Surveillant principal de Jardinage, Parc de Bagatelle, Bois de Boulogne, Paris (16e arr.)
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