Rubus pensilvanicus
species of plant
Rubus pensilvanicus, known commonly as Pennsylvania blackberry, is a species of prickly bramble. The perennial shrub grows up to 2.4 metres (8 ft) tall. The leaves have up to seven leaflets. The flowers are white with large petals, borne in mid-spring to summer.
The species is native to eastern and central North America. The fruits are edible and can be made into jams and jellies.
Description
Rubus pensilvanicus is a perennial bramble growing up to 2.4 metres (8 ft) tall. The canes are green at first but then turn dark red, usually ridged, with copious sharp prickles. The bark of the mature plant is thin and smooth, while the twigs exhibit a winter coloration in shades of brown or gray. The winter buds are characterized by three or more scales, overlapping like shingles, with one edge covered and the other exposed.
This brief starts where responsible research should: with the source description of “Rubus pensilvanicus” as species of plant. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of plant. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 21, 2026. The linked authority identifier is Q7376219. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Rubus pensilvanicus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.