''Rubus macvaughii'' is a rare North American species of
brambles
A bramble is any rough, tangled, prickly shrub, usually in the genus ''Rubus'', which grows blackberries, raspberries, or dewberries. "Bramble" is also used to describe other prickly shrubs, such as roses (''Rosa'' species). The fruits inclu ...
in the
rose family. It has been found only in
Texas in the south-central United States.
[Bailey, Liberty Hyde 1947. Gentes Herbarum; Occasional Papers on the Kinds of Plants 7(3): 254–256, figure 87]
The genetics of ''Rubus'' is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.
Flora of North America, ''Rubus'' Linnaeus, 1754. Bramble
/ref>
References
macvaughii
Plants described in 1947
Flora of Texas
{{Rubus-stub