Unit 1 Test Review

50 terms by Deanna24 

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Entire - smooth margin

Simple leaf

Compound leaf

Whorled leaves

Opposite leaves

Alternate leaves

Pinnate compound

Palmate compound

Double serrate

Lobed leaf with sinus

V shaped sinus Red maple

U shaped sinus Sugar Maple

V shaped sinus Silver Maple

lanceolate

lance-shaped, longer than broad, wider at the base, tapering toward the apex

elliptical

football shaped, pointed on ends biggest in middle

cordate

heart-shaped

Deltoid

triangle shaped

obovate

Teardrop-shaped, stem attaches to tapering point

leaf blade

especially a leaf of grass or the broad portion of a leaf as distinct from the petiole

leaf

Includes the blade and the petiole

petiole

the slender stem that supports the blade of a leaf

rachis

Holds leaflets

pinnate veination

A vein system in a leaf that runs parallel to itself

palmate veination

Vein system in a leaf that does not run parallel to itself

asymmetrical base

A leaf with an uneven base (where the leaf meets the stem).

stipule

the small, paired appendages that are found at the base of the petiole of leaves of flowering plants

midrib

the vein in the center of a leaf

anther

the part of the stamen that contains pollen

filament

the stalk of a stamen

stigma

the apical end of the style where deposited pollen enters the pistil

style

The tube that transport the pollen to the ovary.

ovary

a structure containing egg cells; the base of a pistil in a flower

ovules

Structure that develops within ovary of seed plant and contains female gametophyte.

sepal

a leaflike structure that encloses the bud of a flower

raceme

unbranched inflorescence of pediceled flowers that open from bottom to top

umbel

flat-topped or rounded inflorescence characteristic of the family Umbelliferae in which the individual flower stalks arise from about the same point

spike

(botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis

samara

a winged often one-seed indehiscent fruit as of the ash or elm or maple

legume

the seedpod of a leguminous plant (such as peas or beans or lentils)

terminal bud

bud at tip of a stem responsible for terminal growth

lenticels

Spongy segments in bark that allow gas exchange between cells in a woody stem and the atmosphere. Adaptation for plants living in wet conditions.

lateral bud

Buds along the sides of a stem that givie rise to new branches.

leaf scar

a scar on a stem where a leaf has been attached in a previous year

vascular bundle scar

spot within a leaf scar left by the vascular bundle (xylem and phloem)

pubescent

covered with fine soft hairs or down

node

point on a stem where a leaf is attached

internode

a segment of a stem between two nodes

growth rings

layer of wood a tree adds during a growth season, usually a year

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