ASTERACEAE Flashcards
which is the largest family of dicots?
Asteraceae
stems contain
trichomes
tuberous roots are present in
dahlia
flowers are arranged in
acropetal/ centripetal order
flowers in this inflorescense is called
florets
ray florets are usually
zygomorphic and unisexual; androecium is absent
calyx in ray florets
pappus/ scaly, persistent
corolla is ray florets
petals 5 and gamopetalous
androecium in ray florets
absent
gynoecium in ray florets
bicarpellary, syncarpous, epigynous, unilocular, basal placentation
disc florets
bisexual, actinomorphic
calyx
pappus
corolla in disc florets
petals- 5 and gamopetalous
androecium
5 stamens, epipetalous, syngenesious, dithecous
gynoecium
bicapellary, syncaprous, epigynous, unilocular, basal placentation
fruit
cypsela
sunflower
Helianthus annus
marigold
Targetus erectus
carrot grass
parthenium
santonin drug is prepared from
artemesia annua
red dye used for dyeing silk is obtained from
Carthamus tinctorius
insecticide obtained from chrysanthemum
pyrethrum