Native & Naturalized Plants of the Carolinas & Georgia


1948

Forb
Perennial

Non-native: Europe

Documented growing wild in GA NC -

Uncommon (rare in GA)

Look for it in pastures, along roadsides, in disturbed areas, per Weakley's Flora

map
To see a detailed map, click here


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

 

 

full sun

DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)

LEAVES:
Simple
Basal rosette & leafy stolons

FLOWER:
Spring/Summer
Rays: Light yellow
Disc: Absent
Ray flowers bisexual
Inferior ovary

FRUIT:
Spring/Summer
Black
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA (5/21/15):
Pilosella officinarum   FAMILY Asteraceae_

INCLUDING PLANTS NATIONAL DATABASE:
Hieracium pilosella var. pilosella   FAMILY Asteraceae_

SYNONYMOUS WITH New treatment of Pilosella for EuroMediterranean flora (Brautigam & Greuter, 2007)
Pilosella officinarum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-10-001:
Hieracium pilosella   FAMILY Asteraceae_

 

COMMON NAME:
Mouse-ear Hawkweed


Click or hover over the thumbnails to see larger pictures.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm180214_0275

February    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210422_9619

April    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210422_9622

April    Greenville County    SC

Involucres 7-12mm long, clothed with black trichomes and stipitate glands, per Vascular Flora of the Carolinas.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210423_9757

April    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210423_9759

April    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210423_9760

April    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210423_9766_stolons

April    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210423_9767

April    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm190503_8065

May    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm090607_050

June    Transylvania County    NC

Blue Ridge Parkway

Nutlets lustrous black, columnar, 2-2.3mm long; pappus 4-6mm long, per Vascular Flora of the Carolinas.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm090607_083

June    Transylvania County    NC

Blue Ridge Parkway


click here to see other plants that look similar to this COMPARE involucral bracts of DYCs with ray flowers only (no disc)

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm210626_1695

June    Oconee County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    s090607_03

June    Transylvania County    NC

Blue Ridge Parkway

Leaves oblanceolate to elliptic-oblanceolate, leaf base cuneate to attenuate, per Vascular Flora of the Carolinas.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm060813_138

August    Haywood County    NC

Blue Ridge Parkway

Leaves basal, white woolly beneath, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm180805_3665

August    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm180820_3916

August    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm080928_021

September    Jackson County    NC

Blue Ridge Parkway

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm170906_0391

September    Greenville County    SC

Rarely more than one flower head per scape, per Vascular Flora of the Carolinas.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm170906_0393

September    Greenville County    SC

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm170906_0398

September    Greenville County    SC

Rays light yellow and 5-toothed, per Vascular Flora of the Carolinas.

image of Pilosella officinarum, Mouse-ear Hawkweed

JK Marlow    jkm170906_0401

September    Greenville County    SC