by Karl K » Sat Apr 27, 2019 4:31 pm
jbergeson wrote: ↑Sat Apr 27, 2019 1:18 pm
It is not similar to my supposed R. virginiana, which are in turn nearly indistinguishable from R. carolina (both of those two came from Lawyer Nurseries).
Erlanson (1934) published a key to American roses.
http://bulbnrose.x10.mx/Roses/breeding/species.htm
R. virginiana: Stems stout, much branched.
Suckers few, rarely flowering in first season. Leaflets firm and elliptic. Bristles at base and on new shoots,
prickles flattened or absent. Teeth 9-30 (av. 14).
Stamens 120-155. Newfoundland to eastern Pennsylvania. [stamens ave. 140]*
R. carolina: Stems usually slender, often bristly to tips, if stout usually simple; often decumbent or bending after first season.
Prickles, if present,
usually terete.
Many suckers which often flower with terminal corymbs after main flowering period. Highly variable and "weedy" species. Leaflets mostly 7, highly varied in shape and texture. Teeth coarse, 5-21, av. 12.
Stamens 65-130, av. 105. Hypanthium glandular of smooth.
[quote=jbergeson post_id=69769 time=1556385513 user_id=1191]
It is not similar to my supposed R. virginiana, which are in turn nearly indistinguishable from R. carolina (both of those two came from Lawyer Nurseries).
[/quote]
Erlanson (1934) published a key to American roses.
http://bulbnrose.x10.mx/Roses/breeding/species.htm
[i]R. virginiana[/i]: Stems stout, much branched. [b]Suckers few[/b], rarely flowering in first season. Leaflets firm and elliptic. Bristles at base and on new shoots,[b] prickles flattened[/b] or absent. Teeth 9-30 (av. 14). [b]Stamens 120-155[/b]. Newfoundland to eastern Pennsylvania. [stamens ave. 140]*
[i]R. carolina[/i]: Stems usually slender, often bristly to tips, if stout usually simple; often decumbent or bending after first season. [b]Prickles[/b], if present, [b]usually terete[/b]. [b]Many suckers[/b] which often flower with terminal corymbs after main flowering period. Highly variable and "weedy" species. Leaflets mostly 7, highly varied in shape and texture. Teeth coarse, 5-21, av. 12. [b]Stamens 65-130, av. 105.[/b] Hypanthium glandular of smooth.