SM	Specialized metabolism
STLs	Sesquiterpene lactones
CADs	trans-Cinnamic acid derivatives
CHS	Chalcone synthase
GAO	Germacrene A oxidase
UHPLC-UV-HRMS/MS	Ultra-high-performance liquid chromatography coupled to UV detection and high-resolution tandem mass spectrometry
PCA	Principal component analysis
OPLS-DA	Orthogonal projections to latent structures discriminant analysis
ANS	Anthocyanidin synthase
HaG8H	Helianthus annuus GAA 8β-hydroxylase CYP71BL1
HaES	Helianthus annuus eupatolide synthase
CGT	Capitate glandular trichome
LT	Linear trichome
sLT	Small linear trichome previously referred as “flexuous type”
MCGT	Multiseriate capitate glandular trichome
CPD	#critical point drying
PDA	Photodiode array detector
AGC	Automatic gain control
DNP	Dictionary of Natural Products
Ha_qACT	Helianthus annus qPCR actin primers
Ha_qEF	Helianthus annus qPCR elongation factor primers
Ha_qGAPDH	Helianthus annus qPCR glycerin aldehyde phosphate dehydrogenase primers