Midterm 2 Flashcards
what are the major groups of vascular plants?
ferns, gymnosperms and angiosperms
______ has spores
ferns
gymnosperms have _____ ovules
naked
what are some general characteristics of gymnosperms?
woody plants, leaves are fan like, scale like or needle like, flowers unisexual with no perianth, arranged in cones,
do gymnosperms have fruit?
no
name the seed plants of gymnosperms (4)
- cycadales
- Ginkgoales
- Coniferales
- Gnetales
gymnosperms and angiosperms are ______ plants
seed
describe cycadales, cycadacea
diocious
genus: Cycas; Cicircinalis
describe the Gynko; Ginkgoaceae
G.biloba
- fan like leaves, dioecious, seeds bad smelling outer coat, and hard inner coat, trees have no resin canals
maidenhair tree
Ginko biloba
the ginkgo tree is the only relative of the order ginkgoes? (t/f)
t
why is the ginkgo a scared tree?
symbol of unity of opposites, eternity and longevity, bearer of hope, symbol of love, protector against fire, because of all its properties associated with longevity
name medicinal uses of the gingko tree?
- improves blood flow
- protects against oxidative cell damage from free radicals (antioxidant)
- blocks effects of PAE (blood clotting)
- all have been involved in the development of cardiovascular, renal and respiratory and CNS disorders
The gingko tree is also ornamental in urban areas, why?
resistant to pollution, leaves turn yellow in falll
the coniferales include?
- pinaceae
- cupressaceae
- taxaceae
Taxaceae
Yews
describe taxaceae
yews, no resin canals, needle like persistent leaves, small cones (m), naked ovules (f), plant is toxic besides the fleshy red part of seeds which are dispersed by birds
taxus canadensis
canada yew, shrub in swampy forests, browsed by deer
the pacific yew: taxis brevifolia are the sources of what drug against cancer?
taxol
the harvesting of taxol has lead the pacific yew to become an ________ species
endangered
the Canada yew contains ________
paclitaxel
describe cupressaceae
- shrubs and trees with resin glands
- leaves variable, opposite or needle like
- monoecious or dioecious
- male flowers in small cones and female cones with few flowers
describe thuja
sometimes shrubs when young, leaves scale like and opposite, monoecious, female cones have a few pairs of opposite scales
________ is widely use for the treatment of the common cold and its efficacy as an adjuvant to standard antibiotic treatmentt to severe bacterial infections
thuja
thuja contains ______ which is poisonous and dosage is important
thujone
describe juniperus
trees or shrubs, scale like and needle like on same plant, dioceses, female cones, berry like carpels (NOT A FRUIT)
J.communis has only ________ like leaves and is a _____
needle like (common juniper) and is a shrub
J.Virginiana has both ______ and ________ leaves and is a _______
needle and scale like leaves
- eastern red cedar (tree)
describe taxodium
tree with pneumatophores, needle like leaves, monoecious, female cones are spherical
T.distichum
Baldcypress
describe the sequoia
giant leaves, leaves needle like and persistent, monoecious,
S.Sempervirens
Sequoia
Name the following genera of pines: Pinus is \_\_\_\_\_\_ Larix is \_\_\_\_\_\_ Abies is \_\_\_\_\_\_ Picea is \_\_\_\_\_\_\_ Tsuga is \_\_\_\_\_\_\_\_\_ Pseudotsuga Is \_\_\_\_\_\_\_
pines Larch fir spruce hemlock Douglas fir
the resin canal in pinnace is located where?
xylem
describe some characteristics of pinaceae
- rarely shrubs, usually trees
- leaves needle like, solitary or grouped
- monoecious
- female cones usually with numerous carpelar scales
_________ are dominant in the boreal forest
pinaceae
Pinus (Pines),Larix (Larch) have _____ to ______ leaves in fascicles
2 to numerous
Abies (Fir), Picea (Spruce), Tsuga (Hemlock), Pseudotsuga (Douglas fir) have _______ leaves
solitary
describe some characteristics of pinus
trees, leaves 2, 3 or 5 in fascicle, female cones mature after 2 seasons
this pine tree has 5 leaves in fascicles
P.strobus
these pine trees have 2 leaves in fascicles
P.banksiana
P.resinosa
P.sylvestris
what tree has been the most valuable softwood lumber in E N America?
Pinus Strobus
this species has cones which are curved and do not open for many years, and the bark is greyish? (adapted to fire)
P.banksiana (jack pine)
Which tree has cones which are straight and open at maturity, break is reddish brown? (curved and highly persistent cones)
P.resinosa and p.sylvestris
which trees has cones straight and open at maturity?
P.resinosa the red pine
P.sylvestris the Scots pine
describe larix
larch, 1 species in Canada, 10-60 leaves in fascicle, tree
Larix larcinia
tamarack eastern larch, very adaptable species, commonly found in bogs, fens, survive very low temps (-65)
Abies
Fir,canada balsam fir, leaves solitary, persistent, , female cones big, commercially grown as a Christmas tree
what was the resin of rabies used for?
canada balsam, used as a cold remedy, and glue for glasses etc, high ascorbic acid content
Picea
spruce, tree, bracts accompanying scales very small
picea glauca
white spruce, climax canopy in the boreal forests of canada and alaska
Tsuga
Hemlock
The tsuga canadensis has leaves which are _____
eastern hemlock leaves which are serrate
Psudotsuga menziesii
Douglas fir, bracts accompanying scales long and 3 lobed, native to W N America, when crushed leaves have a citrus smell
gentiles, ephedaceae, ephedra are ______
gymnosperms
gymnosperms
medium shrub, appears to have no leaves, leafless branches with conspicuous nodes, small scale like leaves and tiny flowers of male and female flowers which bloom February through april
Ephedra
weight loss and diet supplement (shrub)
ephedra is both a ______ and ________
stimulant and thermogenic, increases heart rate, constricts blood vessels increasing blood pressure , cause increased metabolism
Welwitschia mirabilis
Namibia desert, seldom and found 100-150km from coast, over 500-600 years old, not endangered Or rare, lifespan of 400-1500 years old
Nymphaeaceae
Lillies, aquatic perennial herbs, leaves large alternate and round, flowers solitary
Genus Nyphaea has what colour flowers?
white or purple
genus nuphar has what colour flower?
yellow
N.Ordata
water lilly
N.variegata
yellow pond Lilly
how do water Lillies pollinate?
traps insects in their flower, after a few days it is pollinated
Nelumbo
Lotus
what is the importance of Nelumbo nucifera ?
sacred plant of hinduism and buddhism and of the ancient Egyptian civilization (Lotus) and also used in asian cuisine
Magnoliids include:
Piperales, canailles, magnoliales, laurales
describe Magnoliales
trees and shrubs, leaves alternate and simple
L. tulipifera
tulip tree,
m.acuminata
cucumber tree
name two ornamental magnolias
magnolia soulageant
magnolia stellata
what are monocotyledons?
seedlings with one cotyledon, numerous vascular bundles in the stems, leaves with parallel venation, flowers 3-merous
monocotyledons include:
Lillies, orchids, palms, grasses and their relatives
edicts are _____ flowering plants
most
nymphaeceae are ____ _____ and their relatives
water Lillies
monocotyledons include alismatanae which include:
Butomaceae, alismataceae, Juncaginaceae, potamogetonaceae
Alismatanae are _____ plants
aquatic
butomus umbellatus is
flowering rush
Alisma and sagittaria belong to?
alismataceae
Alisma
water plantain
Sagittaria
arrowhead
Juncaginaceae/juncus
rush
juncus has ______ _______ in the stem
air channels
monocotyledons include aranae which inlcudes
araceae
Aracea are
herbs, inflorescence is a spadix, flowers are extremely small usually unisexual, have fruit which is a berry
Arisaema: A.triphyllum
jack in the pulpit
Symplocarpus: S.foetidus
skunk cabbage
Liliales includes:
liliaceae and Trilliaceae
Genera lilium
lillies
genera Tulipa
tulips
Liliaceae
herbs with bulbs
Lilium
canadian lily
Tulipia
tulip
Tulipomania was what?
tulips causes the first stock market crush in Netherlands, everyone was trading bulbs
Trilliaceae
trillium
T.grandilforum
white trillium
T.erectum
purple trilium
Trilliaceae
herbs with rhizomes
Monocotyledons include Asparagales which includes:
Agavaceae
Alliaceae
Iridaceae
Orchidaceae
from the genus Agave the A.americana is
century plant
Agavaceae
herbs with rhizomes, monocarpic
______ ________ is often the most encounterd as a weed in the mediteranian
Agave americana
blue agave
tequila agave, base ingredient for tequilla
Aliaceae- Allium includes
onion, garlic, chives and leek
Allium are
herbs with bulbs , the inflorescence is umbel and fruit are in capsules
Allium trioccum
wild leek, wild Ramp
Allium cepa
onion
Allium sativum
garlic
I.versicolor
northern blue flag
Iridaceae
genus iris, herbs with corms, rhizomes, grows on pond edges etc.
orchidaceae
herbs with rhizomes, corms or tubers
what does orchidacea depend on to form either rhizomes, tubers or corms?
depends on mychorrizal associations with fungi
the amazing flower diversity of orchids is the result of the __________ with ___________
coevolution with different pollinators
cypripedium
lady slipper
C. parviflorum
yellow lady slipper
C.acaulis
showy lady slipper
Pogonia (P.ophioglossoides)
label ovate and fringed
snake mouth
listera (L.cordata)
label 2 lobed
Heart leaf twayblade
monocotyledons include arcanaewich include:
palm trees and families
Monocotyledons include singiberanae which include:
bananas, gingers and families
Monocotyledons include commelinanae which include:
cyperaceae and poaceae
poaceae
grasses
Cyperaceae
care - sedges, grass like herbs that grow in wet codnitions
sedges are usually from where?
large wetland communtiies
Poacea
650 genera, cereal crops food and sugar, ornamentals, building materials, source of matting
what are some major grass grain crops?
wheat, corm, rice, barley, oats
___________ ___________ exhibit seasonal drought, occasional fires and are usually used for grazing and agriculture
Temperate grasslands
_______ are grasslands with scattered trees, that show distinct seasons, particularly wet and dry
savannas
tropical bamboos are___
herbs
tropical bamboos have ______ roots and a stem which is a _____
fibrous , culm
culm
stem with swollen nodes and empty internodes
flowers of grasses are typically embraced by a pair of ______ called the _______ and _______
bracts called lemma and palea
the unit of grass inflorescence is a spike called ________
spikelet
grasses have what pollination adaptations
wind pollination with hanging stamens and feathery stigmas
tritium aestivum
wheat
coryza sativa
rice
zea mays
corn (female infourescence)
grasses are ________ , rushes are _______, sedges are _________
poaceae, juncaceae, cyperaceae
the fruit of grasses ________________
caryopsis
sedges have ______, rushes are ______ and grasses have _______
edges, round, knees
Ranunculales are from
eudicots
Papaveraceae and ranunculaceae are from
ranunculales
Papaveraceae
poppy family
ranunculaceae
buttercup family
papaveraceae
herbs with milky or coloured latex
papaver
poppy
papaver somniferum
opium poppy
sanguinaria has one species: S.canadensis
bloodroot
eudicots
- seedlings with 2 cotyledons
- vascular bundles arranged on one circle in the stems
- pinnate or palmate venation
what are some usually toxic plants with alkaloids
ranunculaceae
ranunculaceae are usually _____ ______ with _______
toxic plants with alkaloids
aggregate fruits of achenes include :
ranunculus, anemone, thalicrum
aggregate fruits of follicles are :
caltha, aquilegia, aconitum
ranunculus
buttercup. herb
r.acris
meadow buttercup
anemone
aggregate of achenes
A canadensis
canada anemone, white flowers
anemone coronaria
ornamental
Caltha: C.palustris
marsh merigold
Thalictrum: T.dioicum
Early meadow rue, herb
Aquilegia
Columbine
Aconitum
Aconite, monks hood, wolfsbane, some of the most poisonous plants int the world,
aconite is a _______
poison, deadly
what happened to Andre noble
died of anointine poisoning after accidentally injecting a monkshood species
Fagales, currurbitales, rosales, fatales, brassicales, maléales, sapinadales are from:
rosids
Fagales
mostly woody plants, unisexual flowers, with sepalled tepals and an inferior ovary
fagaceae
beech or oak family, trees and shrubs
betulaceae
rich family
juglandaceae
walnut family
Fagaceae, betulaceae and juglandaceae are from:
fagales
Q. ruba
red oak
fagus
beech
castanea
chesnut
castanea dentata
american chestnut
what is cryphonectria?
chestnut blight
Betula
birch
Betula papyrifera
white paper birch
corylus
hazelnut
corylus americana
american hazelnut
Juglandaceae
tree and shrubs, fruit is drupe like
Juglans
walnuts
jugulars nigra
black walnut
jugulars cinerea
butternut
carya
hickories
carry laciniosa
shellback hickroy