Bot Med I- Morphology Flashcards Preview

Botanical Medicine > Bot Med I- Morphology > Flashcards

Flashcards in Bot Med I- Morphology Deck (19):
1

taproot
examples?

large primary root that extends straight down & tapers gradually
taraxacum officinale
arctium lappa (burdock)

2

fibrous root
examples?

many roots extending down from the stem
allium sativum (garlic)
epilobium sp. (willow herb plant)

3

adventitious root

arises from non-root tissue (usually from a stem)

4

monocot vs dicot

when seed sprouts do you have a single blade or multiple lobed structure? monocot= one
dicot= more than one

5

purpose of a stem? good for exchanging what? good for what processes?

supports leaves, flowers, etc
good for exchange of water, nutrients, sap
place for fuel storage
can be part of photosynthesis in green stems

6

pith

center of a stem
can be woody, dense, chambered or hollow

7

xylem

carries water and minerals from the root upwards

8

cambium

interface b/w xylem and phloem

9

phloem

carries sugars down the plant

10

bud scales

modified leaves that protect the bud

11

what external feature of a plant shows growth patterns from the year prior?

terminal bud scale scars

12

bulb
example?

underground storage leaves attached at a base
garlic

13

corm
flower example?

short, thickened underground stem w/scales that forms a tunic, solid
crocus sativus

14

crown
plant example?

compressed stem w/leaves above and roots below
carrots
taraxacum officinale

15

stolon
plant example?

horizontal, above-ground runner that sets down roots or generates a plantlet at its nodes
strawberries
silverweed (potentilla anserina)

16

rhizome
plant example?

horizontally growing underground stems
hydrastis canadensis (goldenseal)

17

twining stems
plant example?

used for climbing, some twist CC, some CCW
lonicera sempervirens (honeysuckle)

18

tuber
plant example?

enlarged rhizome containing stored food, "eyes"/modified buds dotted around them
potatoes

19

tuberous stem

storage stem w/buds only on the "up" side