Turf ID BONOS Flashcards
What is a seed?
Sexual reproductive propagule of an angiosperm
Grasses are angiospersm and thus produce?
Flowers
What is a floret?
a grass flower
Florets become what after pollination?
the seed
what is Caryopsis?
dry, swelling, one seeded fruit “seed”
What is a modified leaf?
bract
Lowermost (outer) of the two bracts
Lemma
Uppermost (inner) of the two bracts
Palea
In what grass can the lemma and palae be separated by threshing?
bermudagrass
New plants form where?
Embryo
Seed coat
outer protective layer of the seed
Pericarp
the fruit wall developed from the ovary wall
Aleurone
thin; proteinacous layer; plays important role in germination
Endosperm
food supply
Scutellum
single colydon of grass, serves to absorb nutrients from the endosperm