Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (11/30/12):
Youngia japonica
FAMILY
Asteraceae_
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 Asiatic Hawksbeard at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Youngia japonica
FAMILY
Asteraceae_
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-11-001:
Crepis japonica
FAMILY
Asteraceae_
COMMON NAME:
Asiatic Hawksbeard, Youngia, Japanese Crepis, Oriental False Hawksbeard
To see larger pictures, click or hover over the thumbnails.
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JK Marlow jkm120330_186
March Pickens County SC
Basal leaves oblanceolate, pinnatisect to runcinate [as in Taraxacum], per Vascular Flora of the Carolinas.
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JK Marlow jkm120330_188b
March Pickens County SC
Rays 5-6mm long, per Vascular Flora of the Carolinas.
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JK Marlow jkm120330_193
March Pickens County SC
Involucres 5-6mm long, 1.5-2.5mm broad; inner bracts linear, outer very short, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of DYCs with ray flowers only (no disc)
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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.
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JK Marlow jkm180331_199
March Horry County SC
Myrtle Beach State Park
)
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.
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Richard and Teresa Ware rtw_youngia_japonica_3
March
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JK Marlow jkm150407_123124
April Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm160405_030
April Greenville County SC
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Gill Newberry gn05_c_yongia_japonica
May
Spreading rapidly here, now moving into minimally-disturbed natural areas, per Weakley's Flora (2012).
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JK Marlow jkm140504_760762
May Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm140504_764766
May Greenville County SC
Swamp Rabbit Trail
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Keith Bradley kab_y_japonica_77089
July Miami-Dade County FL
COMPARE
Dandelions and Dandelion-like species
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (11/30/12):
Youngia japonica
FAMILY
Asteraceae_
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Youngia japonica
FAMILY
Asteraceae_
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-11-001:
Crepis japonica
FAMILY
Asteraceae_
2112
Forb
Annual
Non-native: southeast Asia
Habitat: Flowerbeds, suburban woodlands, roadsides, disturbed areas, trail edges, hammocks, rocky woodlands, floodplains, per Weakley's Flora
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.)
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
Ray flowers bisexual
Inferior ovary
FRUIT:
Spring/Summer
Reddish-brown
Achene
TO LEARN MORE about this plant, look it up in a good book!