Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Lactuca serriola
FAMILY
Asteraceae_
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read more about Prickly Lettuce at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lactuca serriola
FAMILY
Asteraceae_
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-001:
Lactuca scariola
FAMILY
Asteraceae_
INCLUDING
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Lactuca serriola var. integrata
COMMON NAME:
Prickly Lettuce
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm060427_001
April Greenville County SC
Parking lot
Midrib usually prominently spiny beneath, per Vascular Flora of the Carolinas.
JK Marlow jkm060427_004
April Greenville County SC
Parking lot
Leaves or lobes usually conspicuously spinulose, per Vascular Flora of the Carolinas.
Gill Newberry gn06_l_serriola_sap
June
Leaves sagittate-clasping and oblong or oblanceolate, per Wildflowers of the Southern Mountains.
Gill Newberry gn06_l_serriola_spines
June
Mostly smooth-stemmed with copious fine prickles on leaf margins and midrib, per Wildflowers of the Southern Mountains.
JK Marlow jkm0506f_24
June Greenville County SC
Parking lot
Involucres 10-15mm long, 3-5mm broad. Bracts imbricate, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of Wild Lettuce
JK Marlow jkm0506f_27
June Greenville County SC
Parking lot
Heads are ligulate (having only ray flowers), small, and yellow-flowered, per Wildflowers of the Southern Mountains.
JK Marlow jkm060616_008
June Greenville County SC
Parking lot
Nutlets brown, oblanceolate, 5-ribbed on each face; pappus white, per Vascular Flora of the Carolinas.
WEAKLEY'S FLORA (11/30/12):
Lactuca serriola
FAMILY
Asteraceae_
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Lactuca serriola
FAMILY
Asteraceae_
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-07-001:
Lactuca scariola
FAMILY
Asteraceae_
INCLUDING
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Lactuca serriola var. integrata