-
Helianthus ×
laetiflorus, the
cheerful sunflower or
perennial sunflower, is a
plant in the
family of Asteraceae. It is
widespread in
scattered locations...
- Arizona, New Mexico, Texas; Mexico: Coa****la,
Nuevo León
Helianthus ×
laetiflorus Pers. –
cheerful sunflower,
mountain sunflower –
scattered in eastern...
- and H.
tuberosus (Jerusalem artichoke) are
known as H. ×
laetiflorus. The name H.
laetiflorus has also been used as a
synonym of H. pauciflorus. Subspecies...
- 4141/cjps92-169. ISSN 0008-4220. Clevenger, S. and Heiser, C.B. (1963).
Helianthus laetiflorus and
Helianthus rigidus –
hybrids or species?
Rhodora 65: 121–133. Kays...
-
lanceolatus subsp.
simplex (Willd.) A.G.Jones
Aster laxifolius var.
laetiflorus Torr. & A.Gray
Aster laxus Willd.
Aster pallens Willd.
Aster paniculatus...
-
aestivus Aiton Aster aestivus var.
angustifolius Nees
Aster aestivus var.
laetiflorus A.Gray
Aster argutus Nees
Aster bicolor Dietr. ex DC.
Aster brumalis...
-
Senecio acutidens S. adamsii S. cymbalarioides S. fulgens S. jonesii S.
laetiflorus S. leonardii S. longipetiolatus S. oodes S. pammelii S. platylobus S...
-
stiff sunflower Helianthus petiolaris,
prairie sunflower Helianthus ×
laetiflorus,
hybrid prairie sunflower Heterotheca villosa,
hairy golden-aster Heterotheca...
- (Fragaria
vesca var. americana)
Sunflowers Bright sunflower (Helianthus ×
laetiflorus)
Common sunflower (Helianthus annuus)
Giant sunflower (Helianthus giganteus)...
-
Helianthus tuberosus —
Jerusalem artichoke Helianthus ×
alexidis Helianthus ×
laetiflorus —
hybrid prairie sunflower Helianthus ×
luxurians Heliopsis helianthoides...
