Angiosperms & Plant Anatomy Learning Objectives

what is the modified structure of a sweet potato

root

what is the modified structure of a white potato

stem

what is the modified structure of a carrot

tap root

what is the modified structure of a celery

leaf petiole

what is the modified structure of a onion

leaves

the most recent common ancestor of all branches diverging

node

Palmate

refers to a type of leaf arrangement where the lobes or leaflets spread out from a single point, resembling a hand.

pinnate

refers to a type of leaf arrangement where leaflets are arranged along a central stem, resembling a feather.

petiole

the stalk that attaches a leaf to the stem, providing support and transport of water and nutrients.

features that characterize the angiosperms

flowers, fruits, ovules enclosed by two integuments and a carpel wall, immotile sperm, lack of antheridia/archegonia, and use of double fertilization

C

stamen

E

anther

F

filament

A

sepal

D

carpal

G

stigma

H

style

I

ovary

J

ovule

monocot

1 cotyledon, parallel venation, flower parts in multiples of three scattered vascular bundles, adventitious roots

eudicot

reticulate venation, vascular bundles in rings, floral parts in 4s or 5s, taproots

seed

monocot

root

monocot

seed

eudicot

root

eudicots

eudicot

stem

monocot

leaf

monocot

leaf

eudicots

flower

monocot

flower

eudicot

pollen

monocot

pollen

eudicot

simple leaf

compound leaf

doubly compound leaf