Vocabulary Flashcards
highly modified shoot bearing specialized reproductive appendages derived from modified leaves
flower
floral tissue supported by stem tissue
receptacle
distinctive uppermost leaf, different shape and lacks pediole
bract
stalk of an individual flower, usually from the axil of a modified leave with/without a modified leaf (bract)
pedicel
protective, colourful structures
- nonreproductive, sterile
perianth
male parts
androecium
female parts
gynoecium
extension of petals for pollen
nectaries
extra showy parts to attract pollenators
corona
when similar parts are separate (apo-)
distinct
unlike parts are separate (across several floral rings)
free
similar parts are fused (syn- or sym-)
connate
unlike parts are fused (stamen attached to petals) (epi-)
adnate
the stamens and other floral parts are situated below the carpels
hypogynous
the stamens and other floral parts are at the same level as the carpels
perigynous
cup-like receptacle, loosely surrounding or connecting to the gynoecium
hypanthium
the ovary is enclosed in the receptacle, with the stamens and other floral parts situated above
epigynous
visible
conspicuous
attachment of the ovules to the ovary
placentation
chamber in the ovule
locule
organ that forms the seeds of plants
ovule
a single ovule is attached at the base of the ovary
basal placentation
a single locule ovary becomes bilocular due to the formation of a false septum
parietal placentation
ovules are arranged along the axis of a multi-locule ovary
axile placentation
uni-locule ovary has ovules attached in the center
free central placentation
ovule is attached at the top of a single locule ovary
apical placentation
flower w perianth, androecium, and gynoecium
complete
flower lacking either perianth, androecium, or gynoecium
incomplete
fertile androecium/gynoecium present
bisexual/perfect
a fertile androecium OR gynoecium present (NOT both)
unisexual/imperfect
staminate + carpellate flowers on the same plant
monoecious
staminate + carpellate flowers on different plant
dioecious