HORT 308 Quiz 1 Plant Morphology

Families (end in, #, letter)

-aceae, first, and caps

if we cant italicize

underline SCIENTIFIC NAMES

cultivars are written

with single apostrophes

flower parts

Petal, anther, filament (these make up the stamen), stigma, style, ovary(these make up the pistil) and the sepal

multiple sepals

calyx

multiple petals

corolla

seeing initials in a scientific name means

they are the Scientific authorities

pistil/carpel

stigma, style, ovary

stamen

anthers and filaments

actinomorphic

radial symmetry

zygomorphic

bilateral symmetry

internodes

the stem segments between nodes

pith

the essential or central part of a stem

lenticels

tiny openings in the stem that allow gas and water exchange

apical bud

A bud at the tip of a plant stem; also called a terminal bud.

types of buds

ginkgo, rastanea, populus, and carya

gymnosperm leaf types

broadleaf, needle-like, scale-like, and awl-like

parts of a leaf

blade, petiole, veins

Palmate venation

small veins branching from more than one main vein

pinnate venation

a leaf with veins branching out from a midvein

parallel venation

a parallel arrangement of veins; typical of the leaves of monocots

dichotomous venation

spreading vein pattern

alternate leaf arrangement

one leaf per node

opposite leaf arrangement

two leaves per node facing ____ ways

sub-opposite leaf arrangement

slightly off from opposite

whorled leaf arrangement

three or more leaves per node

bipinnately compound leaf

leaflets of a pinnately compound leaf that is subdivided into still smaller leaflets

pinnately compound leaf

leaf type with a divided leaf blade consisting of leaflets arranged on both sides of the midrib

palmately compound leaf

leaf type with leaflets that emerge from a point, resembling the palm of a hand

Entire leaf margin

smooth leaf margin

Toothed/ serrated leaf margin

mildly jagged leaf margin type

double serrated leaf margin

extremely jagged leaf margin type

dentate leaf margin

having a toothlike or serrated edge

crenate leaf margin

a shrunk version of the dentate leaf margin

incised leaf margin

cut into leaf margin

sinuate leaf margin

rolled leaf margin

undulate leaf margin

very curled and rolled leaf margin

lobed leaf margin

edges of leaf deeply indented with curves (leaf margin)

ciliate leaf margin

pointy pine-like leaf margin

cuspidate leaf tip

cusped leaf tip

mucronate leaf tip

tipped with a short, sharp, abrupt point

acuminate leaf tip

gradually tapering to a sharp point and forming concave sides along the tip

acute leaf tip

tapering to a pointed apex leaf tip

rounded leaf tip

truncate leaf tip

squared tip

obcordate leaf tip

emarginate leaf tip

acute leaf base

oblique leaf base

unequal sides

Auriculate leaf base

cordate leaf base

heart-shaped leaf base

rounded leaf base

round base

truncate leaf base

square base

hastate leaf base

elliptic leaf shape

shape

oblong leaf shape

shape

linear leaf shape

shape

cordate leaf shape

heart shaped leaf

obcordate leaf shape

upside down heart shape leaf

lobe leaf shape

curvy leaf shape

lanceolate leaf shape

sword leaf shape

oblanceolate leaf shape

upside down sword leaf shape

ovate leaf shape

leaf shape widest near base

obovate leaf shape

leaf shape widest near top

deltoid leaf shape

triangular leaf shape

reniform leaf shape

kidney shaped leaf

peltate leaf

the petiole connects to the blade at the center of the base of this wide leaf

spatulate leaf shape

feather palm frond

frond

fan palm frond

frond

costa palmate frond

frond that has a hard midrib