plant science 330 quiz 1

species?

Prunus tomentosa… Nnking cherry

species?

prunus tomentosa… Nanking cherry

Rugose

Wrinkled or sunken viens

Prunus tomentosa

Edible. The sweetest of the sour cherries

Species?

Prunus tenella… Russian Almond

Species?

Prunus tenella… Russian almond

Are Prunus tomentosa buds simple or compound? Leaves?

Compound buds with 3+ buds per node. Simple leaves with petioles and hairy stipules

Are Prunus tomentosa flowers perfect or imperfect?

Perfect. Solitary or multiple

Are Prunus tenella flowers perfect or imperfect?

Perfect and are found either single or in groups of 3

Are Prunus tenella nuts edible?

No

Species?

Prunus x cistena… Purple Leaved Sandcherry

Species?

Prunus besseyi… Western Sandcherry

Shrubs native to SK

Prunus besseyi/Western Sandcherry,

What is Prunus besseyi most often used for

Breeding programs

What inflouresence shape does Prunus besseyi have

Corymb

Are the fruit of Prunus besseyi edible?

Yes

Species

Prunus x cerasis… Dwarf U of S Sour Cherry

What is the Dwarf U of S Sour Cherry a cross between?

EU sour cherry x Mongolian cherry

What is unique about the buds on Prunus x cerasis

New growth have single buds, old growth have multi buds

Are the cherries of Prunus x cerasis edible?

Yes, they are sour/tart and are prolific producers

Species?

Prunus triloba ‘multiplex’… Double flowering plum

What is unique about the flowering of Prunus triloba ‘multiplex’

it only flowers for 10 days and doesn’t produce fruit. Double flowering, 3 lobes

Species?

Prunus x nigrella ‘muckle’… muckle plum

Species?

Caragana arborescens… common caragana

Is the common caragana suckering

no

What family is the Caragana in?

Fabaceae

What is unique about the young bark of Caragana arborescens?

It is olve green and has splitting/ridges on the bark

Unique about Caragana arborenscens stipules

They come in doubles

What species is this and what is the feature pointed at

Caragana arborenscens, mucronate (short spine at apex)

What is unique about Caragana arborescens flowers

born off of spurs, edible. legume shaped flower

Species?

Caragana aborescens ‘Sutherland"‘

Species?

Caragana arborescens ‘Lorbergii’… Fernleaf caragana

Species?

Caragana arborescens ‘Pendula’… weeping caragana

Species?

Caragana arborescens… weeping cutlead caragana

What are the weeping caragana forms grafted onto?

common caragana standard

Species?

Caragana frutex ‘globosa’… Globe caragana

Globe caragana leaf?

Even pinnate compound leaf with 4 leaflets that appear palmate. Sharp stipules and often mucronate tip

Species?

Caragana pygmaea… Pygmy Caragana

Species?

Caragana aurantiaca var Koehne… dward caragana

What are apomixes?

asexual propogation via seeds. genetically identical to itself

Species?

Cotoneaster lucidus/ Cotoneaster acutifolius var lucidus… pecking or hedge cotoneaster

Species?

Cotoneaster lucidus/ Cotoneaster acutifolius var lucidus… pecking or hedge cotoneaster

What do Pecking/Hedge Cotoneaster berries grow on? are they edible?

Spurs which form on older growth. No

What is unique about Pecking/Hedge Cotoneaster petioles?

They are pubescent. So are the buds

What disease is common on hedge Cotoneasters and what are the signs of infection?

Fireblight. it will turn red early in the season (around july) and then brown in the fall and will die

Species?

Cotoneaster integerrimus… European Cotoneaster

Species?

Cononeaster integerrimus… European Cotoneaster

Best way to ID Cotoneaster integerrimus?

Arching braches

New growth of Cotoneaster integerrimus?

Pubescent and brown

What type of fruit does Cotoneaster have and is it edible?

Pome (has a retained calyx). it is not edible

Species?

Cotoneaster adpressus… creeping cotoneaster

Halimodendron common name

Siberian Salt Bush

Species?

Halimodendrom halodendron

Species?

Halimodendrom halodendrom

Species?

Halimodendron halodndron

What differentiates Halimodendron from Caragana

Halimodendron is much more armoured:

• spiky leafy stipules

• sharp spiny stipules

• leaf rachis remains on the leaf after leaf falls and is sharp

• mucronate

• pink/purple flower

What family is Halimodendron from?

Fabaceae

Shepherdia common name

Buffaloberry/ Silver Buffaloberry

Species?

Shepherdia argentea

Species?

Shepherdia argentea

Is Shepherdia argentea monoecious or dioecious?

Dioecious but both sexes can be found on the same plant, but not in equal proportions

Are the flowers of Shepherdia argentea complete?

No, they have sepals instead of petals

Are th leaves of Shepherdia argentea covered in hair or scales?

both

Are the fruit of Shepherdia argentea edible?

yes

What is the issue regarding certian Berberis species?

Federal government reccomends preventing the movement of certian species of Berberis into Sask and Alberta due to them hostinga disease called stem rust

Why is Stem rust important to keep out of sask and alberta?

It attacks cereal crops and we are the largest producers

What species of Berberis host stem rust?

Berberis thunbergii and Berberis thunbergia x Berberis koreana hybrids

Species?

Berberis thunbergii

Species?

Berberis thunbergii

What defence does Berberis thunbergii have

1-3 spines per node

Berberis thunbergii inflourescence type

1-3 umbels per node (other species have raceme)

Species?

Berberis vulgaris

Are Berberis thunbergii leaves simple or compound?

Simple on short spurs

Species?

Berberi thunbergii ‘Carousel’

Species?

Berberi thunbergii “Rose Glow”

Why is Euonymus alatus called wingd burning bush?

Because of its corky growth (wings) emerging from the stem

What happened to this Euonymus alatus bush?

Winterkill

Species?

Euonymus alatus… Winged Burning Bush

Describe the fruit on the Winged burning bush

The fruit capsule is red and it opens and the orange seed dangles from it

Species?

Euonymus nanus var Turkistanicus

Species?

Euonymus nanus var Turkistanicus… Dwarf Burning Bush/ Dwarf Euonymus

What is unique about the lifecycle of Euonymus nanus var Turkistanicus?

It is deciduous and partly evergreen (can be broadleafed evergreen that are narrow but not quite needle)

What is unique about the buds/leaves of Euonymus nanus var Turkistanicus?

They can be opposite, alternate, or whorled

What is unique about the leaves of Euonymus nanus var Turkistanicus?

They can turn red/purple in autumn and either shed or regreen in the spring.

Species?

Forsythia ovata ‘Northern Gold"‘

Species?

Forsythia ovata ‘Northern Gold’

What is the best ID for Forsythia Ovata ‘Northern Gold"‘

The hollow or chambered plith and the fact that is it ususally first to flower in the spring