Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rubus pascuus
FAMILY
Rosaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Chesapeake Blackberry at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Rubus pascuus
FAMILY
Rosaceae
SYNONYMOUS WITH Flora of North America
Rubus pascuus
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Rubus pascuus
SYNONYMOUS WITH (MISAPPLIED) Floristic Synthesis of North America (Kartesz, 1999)
Rubus discolor
COMMON NAME:
Chesapeake Blackberry, Topsy Blackberry
To see larger pictures, click or hover over the thumbnails.
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JK Marlow jkm220607_8307
June Greenville County SC
Bald Rock Heritage Preserve
R. pascuus may represent a stabilized hybrid between a European and a native blackberry species, per Flora of North America.
)
JK Marlow jkm220607_8308
June Greenville County SC
Bald Rock Heritage Preserve
)
JK Marlow jkm220607_8310
June Greenville County SC
Bald Rock Heritage Preserve
Compact inflorescences that usually barely surpass the leaves, per Flora of North America.
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JK Marlow jkm220607_8311
June Greenville County SC
Bald Rock Heritage Preserve
)
JK Marlow jkm220607_8312
June Greenville County SC
Bald Rock Heritage Preserve
A notable aspect of R. pascuus is how vigorously armed it is, per Flora of North America.
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JK Marlow jkm220607_8313
June Greenville County SC
Bald Rock Heritage Preserve
)
JK Marlow jkm220607_8314
June Greenville County SC
Bald Rock Heritage Preserve
The entire portion of leaflets restricted to the base (vs. R. cuneifolius proximal third entire), per Flora of North America.
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JK Marlow jkm220607_8316
June Greenville County SC
Bald Rock Heritage Preserve
Leaflets toothed and grayish-tomentose beneath, per Weakley's Flora (2022).
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JK Marlow jkm220607_8317
June Greenville County SC
Bald Rock Heritage Preserve
R. pascuus "stems canescent above" [vs. R. bifrons "stems glabrescent"], per Weakley's Flora (2022).
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JK Marlow jkm220607_8319
June Greenville County SC
Bald Rock Heritage Preserve
Inflorescence cymose-paniculate; floricane branches & pedicels armed w strong flattened prickles, per Weakley's Flora (2022).
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JK Marlow jkm071018_002
October Anderson County SC
Clemson Forest
Canes of Eurasian blackberries are very coarse, scrambling, often 2-5m long, and heavily armed, per Weakley's Flora (2022).
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JK Marlow s071018_ef
October Anderson County SC
Clemson Forest
Very poorly known in NC, as all collections in the state were by a single person, per Vascular Plants of North Carolina.
)
JK Marlow s071018_g
October Anderson County SC
Clemson Forest
Prickles recurved, per Weakley's Flora (2022).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rubus pascuus
FAMILY
Rosaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Rubus pascuus
FAMILY
Rosaceae
SYNONYMOUS WITH
Flora of North America
Rubus pascuus
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Rubus pascuus
SYNONYMOUS WITH (MISAPPLIED)
Floristic Synthesis of North America (Kartesz, 1999)
Rubus discolor
2528
Shrub
Perennial
Habitat: Disturbed areas, thickets, per Weakley's Flora
Non-native: Europe
Rare
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
IS THE PLANT "ARMED"?
Stems armed, coarse, scrambling, to 3m long; prickles strong, curved
LEAVES:
Deciduous to semi-evergreen
Compound
Alternate
FLOWER:
Summer
White to pale pink
Radially symmetrical
5 sepals
5 petals
Numerous stamens
Inflorescence cymose-paniculate
FRUIT:
Summer
Aggregate of drupelets
TO LEARN MORE about this plant, look it up in a good book!
- Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007) p145
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p310