Plant Kingdom Lab 3 Flashcards Preview

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Flashcards in Plant Kingdom Lab 3 Deck (20)
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0
Q

Axil

A

Angle between the stem and the leaf

1
Q

Microphyll (leaf)

A

An organ that is small, simple, and has one vein

2
Q

Adventitious roots

A

Structures that come right out of the stem and grow wherever they want

3
Q

Sporophyll

A

A leaf that bears sporangium

4
Q

Strobilus

A

Structure that has the stem, leaves and sporangia tightly packed

5
Q

Sieve cell

A

A long, slender sieve element found in the phloem

6
Q

Protoxylem

A

The first part of primary xylem

7
Q

Metaxylem

A

The part of the primary xylem that differentiates after the protoxylem and before the secondary xylem

8
Q

Microsporangium

A

Structure or organ that produces microspores

9
Q

Microspore

A

A spore that gives rise to a male gametophyte

10
Q

Megasporangium

A

Structure or organ that produces megaspores

11
Q

Megaspore

A

A spore that gives rise to the female gametophyte

12
Q

Leaf cushion

A

Pyramid-shaped structure at the base of each leaf

13
Q

Leaf scar

A

A scar, located in a leaf cushion, with one vascular bundle scar and two parichnos scars

14
Q

Protostele

A

A type of stele with one column or rod of xylem with a layer of phloem

15
Q

Exosporic gametophyte

A

Gametophyte is located outside of the spore

16
Q

Bisexual gametophyte

A

Gametophyte that has both antheridia and archegonia

17
Q

Endosporic gametophyte

A

Gametophyte is in the cell wall of the spore

18
Q

Unisexual gametophyte

A

Gametophyte has one type of sex organ

19
Q

Leaf trace

A

The part of the vascular bundle extending from the base of the leaf to its connection with a vascular bundle in a stem