OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Youngia japonica   FAMILY Asteraceae_   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Youngia japonica   FAMILY Asteraceae_

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Youngia japonica

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)

Youngia japonica

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Youngia japonica

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-11-001:

Crepis japonica   FAMILY Asteraceae_

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Crepis japonica

 

COMMON NAME:
Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard


         To see larger pictures, click or hover over the thumbnails.

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm120330_186

March    Pickens County    SC

Basal leaves oblanceolate, pinnatisect to runcinate [as in Taraxacum], per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm120330_188b

March    Pickens County    SC

Rays 5-6mm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm120330_193

March    Pickens County    SC

Involucre 3-5mm high (vs. Crepis 5-12mm high), per Weakley's Flora (2023).


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

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm180331_196

March    Horry County    SC

Myrtle Beach State Park

Plants are typically about 1' tall but vary considerably, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm180331_199

March    Horry County    SC

Myrtle Beach State Park

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm180331_199b

March    Horry County    SC

Myrtle Beach State Park

Flower heads are small and composed of 10-20 ray flowers, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm230320_1730

March    Greenville County    SC

Chestnut Ridge Heritage Preserve

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

Richard and Teresa Ware    rtw_youngia_japonica_3

March        

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm150407_123124

April    Greenville County    SC

Swamp Rabbit Trail

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm160405_030

April    Greenville County    SC

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

Gill Newberry    gn05_c_yongia_japonica

May        

Spreading rapidly here, now moving into minimally-disturbed natural areas, per Weakley's Flora (2012).

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm140504_760762

May    Greenville County    SC

Swamp Rabbit Trail

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

JK Marlow    jkm140504_764766

May    Greenville County    SC

Swamp Rabbit Trail

image of Youngia japonica, Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard

Keith Bradley    kab_y_japonica_77089

July    Miami-Dade County    FL


click here to see other plants that look similar to this COMPARE Dandelions and Dandelion-like species

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Youngia japonica   FAMILY Asteraceae_

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Youngia japonica   FAMILY Asteraceae_

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Youngia japonica

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21
Youngia japonica

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Youngia japonica

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-11-001:
Crepis japonica   FAMILY Asteraceae_

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Crepis japonica

 

Find by SCIENTIFIC NAME:

2112

Forb
Annual

Habitat: Flowerbeds, suburban woodlands, roadsides, disturbed areas, trail edges, hammocks, rocky woodlands, floodplains, per Weakley's Flora

Non-native: southeast Asia

Common (uncommon in Mountains)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

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

LEAVES:
Simple
Basal rosette & a few stem leaves

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

FRUIT:
Spring/Summer
Reddish-brown
Achene

 

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



 


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