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 Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Rubus pascuus
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 9 (2014)
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.
)
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).
)
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
Floristic Synthesis of North America. BONAP (Kartesz, 2015)
Rubus pascuus
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 9
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
Bisexual
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
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".