'R. primula' rose Description
Photo courtesy of Cactus Joe
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Light yellow Species.
Exhibition name: R. primula
Yellow to light yellow. Moderate fragrance. Average diameter 1.5". Small, single (4-8 petals), borne mostly solitary bloom form. Once-blooming spring or summer.
Arching, armed with thorns / prickles, bushy, spreading, upright. Small, glossy, light green, fragrant foliage. 9 to 15 leaflets.
Height of 7' (215 cm). Width of 6' (185 cm).
USDA zone 4b through 9b. Produces decorative hips.
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Rosa ecae ssp. primula (Boulenger) A.V. Roberts (1977) Belongs to the section Pimpinellifoliae (styles free, shorter than the stamens, blooms solitary, without bracts). Has doubly serrated and abaxially glandular leaflets like R. ecae and R. foetida. It differs from the former by the higher number of leaflets, larger blooms and colour of hips; from the latter by its smooth leaves, higher number of leaflets, and smaller blooms.
Lloyd Brace at The Roseraie at Bayfields says this rose has small, single, lemon-yellow blooms on arching canes with the most fragrant foliage in rosedom. The leaves are very small, like the 'Scotchbriar'. Hips are small and red...