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'Rosa arkansana Porter' rose Reviews & Comments
Discussion id : 100-884
most recent 15 JUN 17 HIDE POSTS
Initial post 15 JUN 17 by Sambolingo
Available from - Prairie Moon Nursery
Discussion id : 84-345
most recent 16 APR 15 HIDE POSTS
Initial post 16 APR 15 by CybeRose
3. Rosa blanda, Ait. var. Arkansana, (Porter). Although frequently observed before, it was first described by Dr. Porter as Rosa Arkansana* from specimens collected on the banks of the Arkansas River [Colorado] by Mr. Brandagee. The original specimen, in flower, is in the herbarium of Lafayette College. Bush apparently low, I to 2 feet high; stem, foliage and fruiting receptacles glaucous; flowers corymbose; sepals entire; bracts lanceolate; leaflets 7 to 11, mostly 9, oblong-elliptical to oblanceolate, somewhat cuneate at base; stipules rather broad; stem prickly.
Bulletin of the Torrey Botanical Club 17(6): 141-149 (June 9, 1890)
Remarks on the Group Cinnamomeae of the North American Roses

The stipules are as often broad as narrow; the outer sepals are rarely lobed, probably not much more frequently than in R. blanda, from which it is distinguished by its habit of growth, its glaucousness, by one or two pairs more of leaflets, its prickly stem and by its being more or less glandular. It would therefore appear that the characters relied upon to differentiate it from the type lack specific distinctness.

Var. Arkansana ranges from Texas and New Mexico northward to British America and westward to the Rockies and probably beyond. It undergoes many modifications. On dry prairies it becomes markedly surculose; its rhizomes are transformed into in-ground stems which give off annual shoots like flowering branches. Since these rhizomes have no leaves, the demand for more foliage is met by an extra pair of leaflets on the suckers. In protected locations, as margins of woods and thickets, it attains a height of from three to five feet, with stem either smooth or prickly, and lives for years. It is sometimes found densely resinous. Like R. blanda, rudimentary glands on the sepals and stipules and under surfaces of the leaflets are rarely absent. When its flowers are solitary, as sometimes happens, the low prickly forms bear some resemblance to Rosa acicularis, from which it is readily distinguished by its glaucous stem and foliage, leaflets more numerous and of another shape.
Discussion id : 82-427
most recent 11 JAN 15 HIDE POSTS
Initial post 11 JAN 15 by CybeRose
Leaflets of Botanical Observation and Critic. Vol. 2, 1910-1912 pp. 132-136
Edward L. Greene
Some Western Roses
ROSA HELIOPHILA is a name that may be substituted for my R. pratincola published in 1899 (Pitt. iv. 13), for there is a Rosa pratincola of Europe, by A. Braun, which was published in 1888.
Discussion id : 79-755
most recent 5 AUG 14 HIDE POSTS
Initial post 5 AUG 14 by slumgullion
This rose is threatened/endangered, so it would be excellent if those who have suitable conditions would grow it.

See list of threatened/endangered native US roses here:].
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