UW Arboretum ~ reflecting back to fall ~

May 26, 2012 7PM-9PM

As in most lowland Puget Sound ecosystem, the Arboretum has numerous conifers like western red cedar, western hemlock, ponderosa pine, shore pine, and douglas fir. As you may know, since coniferous trees are evergreen, scenery dominated by conifers rarely change drastically by seasons. It would be a strecth, though, to claim that the Arboretum is dominated by conifers. There is a whole series of deciduous plant species, native and nonnative to Puget Sound, that creates a beautiful visual harmony during seasons of change. I do not know how much human intervention there has been to shape the current balance of species at the Arboretum, and on UW campus for that matter. I imagine that there has been extensive planning on what species to introduce and where to locate them, as ecosystem is a fragile balance of species. Even though a coniferous forest has its own greatness, one could potentially say that it could be aesthetically boring. Deciduous trees play a huge role in attracting humans to the beauty of tree species, which is something that any arboretum would cherish.

Deciduous trees bring a half year cycle of color to forests. In spring time flowers bloom with pretty colors to attract pollinators. In autumn, deciduous leaves change color from wild green to cheerful yellow and passion red. Both spring and autumn are short seasons that I interpret to be a brief transition period to major super-seasons of summer and winter. The ephemeral of the beauty in these seasons only adds to the nostalgia and fantasy of the harmony of nature. For example, Japan has a tradition of celebrating spring blossoming with "hanami" and autumn foliage with "kouyou."

Examples of deciduous species in the Arboretum are red alder, vine maple, big leaf maple, Japanese maple, salmonberry, serviceberry, ocean spray, and the list goes on. Many of these species lose their leaves while they may be green, or leaves may turn spotty brown that symbolizes maturity. These leaves may become wrinkled compared to the young leaves that emerge in spring.
Big leaf maple and Japanese maple give a colorful ending before their leaves fall. Go type japanese maple in a search engine and you will be provided with breath-taking photos of colorful foliage. If that is not enough, add kiyomizu-dera to the search result to find the collaboration of a world heritage site with nature's incredible beauty. Compare that with the photo of japanese maple leaves synced with entry and it is pretty difficult to believe that they change colors completely. The nostalgia from looking at autumn color leaves skyrockets in the event of encounter with japanese maple for me, perhaps because they are so common in Japan but perhaps because they are one of the best beauty that nature could offer.

Hence, the arboretum provides a different face in fall and spring. It may seem that you would tilt your head up and see colors in autumn while you would look down in spring. Autumn visit to the arboretum may be emotional and soothing, while a visit in the spring is enthusiastic and cheerful with young generations emerging. I believe it is always a great opportunity to see two seasonal faces of the same place.

Species List

Thuja plicata - Western red cedar
Tsuga heterophylla - Western hemlock
Pinus ponderosa - Ponderosa pine
Pinus contorta - Shore pine (lodgepole pine)
genus Pseudotsuga - Douglas fir
Alnus rubra - Red alder
Acer circinatum - Vine maple
Acer macrophyllum - Big leaf maple
Acer palmatum - Japanese maple
Rubus spectabilis - Salmonberry
genus Amelanchier - Serviceberry
Holodiscus discolor - Ocean spray

Publicado el 31 de mayo de 2012 a las 05:34 AM por bluehoneysugar bluehoneysugar

Observaciones

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Arce de Hoja Grande (Acer macrophyllum)

Fecha

Mayo 26, 2012

Descripción

I tend to imagine the leaves of big leaf maple as very large (about two or three times as large as male adult's hand) with yellow/lime color and possibly brown spots. Maple leaves fall to the ground in autumn so I tend to remember the mature state of leaves. During this time of the year though, the leaves are young green and smaller than their size five months from now.

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Abedules (Género Betula)

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Mayo 26, 2012

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I cannot think of any words to describe the distinctive bark of a birch. The skin has a whiter color than other trees that gives the impression that the bark just shed its skin.

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Mayo 26, 2012

Descripción

Alnus is the genus for alders. I believe Alnus spaethii is the hybrid of Alnus Japonica and Alnus subcordata.

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Tuya Gigante (Thuja plicata)

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Mayo 26, 2012

Descripción

One of the first trees I have come to learn. Very flat needles.

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Secuoya Gigante (Sequoiadendron giganteum)

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Mayo 26, 2012

Descripción

The bark was wide and strong and probably over at least 50ft tall, but probably not as tall as other giant sequoias. The branches were dangling down powerlessly to almost the ground level. Three needles made a cluster.

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Botón de Oro Europeo (Ranunculus repens)

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Mayo 26, 2012

Descripción

Cute little flower that has a silky coated touch to it. I think it is interesting how some face straight up to the sky (like the one deep in the photo) and how others face sideways (like the one in the front).

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Hongos de Saco, Levaduras Y Parientes (Filo Ascomycota)

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Mayo 26, 2012

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A bunch of gray lichen growing on cedar leaves. My camera could not focus to capture the details, but these lichen appear more green when viewed closer. They feature snowflake-like shapes that are interconnected, like how slime molds spread and connect. They must be pollution tolerant as well to survive the air of urban Seattle.

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Mayo 26, 2012

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Maybe it is not common yew but pacific yew. Either way it makes me happy to see new, young, and healthy generation emerging over the mature ones.

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Mayo 26, 2012

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The flowers have a size of about a person's hand. Pink petals and pink stamen... although they might become orange yellow at extreme ends of flowers' life cycle. What are these beautiful flowers?

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Plantas Vasculares (Filo Tracheophyta)

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Mayo 26, 2012

Descripción

I used to know and I forgot these tree species. Very ghostly appearance due to the dangling leaves.

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Mayo 26, 2012

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The flowers were not only appealing to the eyes, they also had a sweet fragrance as well. Also named yellow azalea.

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Mayo 26, 2012

Descripción

Salal are one of the most common plant species in lowland Pacific Northwest. I initially identified it as the flowers of evergreen huckleberry, but the flowers of salal is more dangling, whereas that of evergreen huckleberry is securely connected and covered by leaves.

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Maples o Arces (Género Acer)

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Mayo 26, 2012

Descripción

Red maples are also called october glory because the leaves turn gloriously red in fall, like a tree in a burning flame. At this season, they have a nice green colored leaves way beyond my reach, so just trust me on this.

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Arce Palmado Japonés (Acer palmatum)

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Mayo 26, 2012

Descripción

Japanese maple are called iroha momiji in Japanese, which momiji means maple. These trees are known for turning yellow and then red in fall right before they come off the branches. Enjoying picnic under maple trees is one Japanese tradition, like enjoying cherry blossoms in spring.

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Mayo 26, 2012

Descripción

Impressive violet flowers that lie on top of big long leaves that resembles banana leaves.

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Mayo 26, 2012

Descripción

If you look closely, you could find tiny, dark red apples. I've seen and tasted the fruits of the same tree in fall, but the fruits were in the same unappetizing state as they are now so I don't think this tree grows anything too delicious. The fruits are hard and sour, with seeds like that of a regular apple.

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Pino Real Americano (Pinus ponderosa)

Fecha

Mayo 26, 2012

Descripción

I have a feeling that it might not be a ponderosa pine, but it had 3 needles per fascicle.

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Mayo 26, 2012

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Walking along a trail, I find this strange tree that has an insane layer of leaves, like a curly person's hair with immense volume. The bark is really thin and short because the height was approximately only 7-10ft.

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Arce Palmado Japonés (Acer palmatum)

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Mayo 26, 2012

Descripción

I believe it is a type of maple because of that shape like a bird's foot. However, most maples have a cycle of color from green in spring to yellow to red (brown) in autumn, while this particular tree is already purple brown. The leaves also have a zig zag feeling.

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Mayo 26, 2012

Descripción

A tree I probably have learned about once but I cannot remember. The fruit resembles a muscat except much smaller. Barks are really thin and spreads into many direction, like that of ocean spray.

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Mayo 26, 2012

Descripción

This is a witch hazel. There was a hamamelis virginiana on the species list but not vernalis.

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Arándano Rojo Occidental (Vaccinium parvifolium)

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Mayo 26, 2012

Descripción

Hard to tell when berries are not there.

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Arce Enredadera (Acer circinatum)

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Mayo 26, 2012

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Zarza del Salmon (Rubus spectabilis)

Fecha

Mayo 26, 2012

Descripción

Salmonberry leaves cluster in three with one facing the same direction as the branch and the other two growing perpendicular, resembling a butterfly.

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Almeces, Palos Blancos Y Parientes (Género Celtis)

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Mayo 26, 2012

Descripción

Although names sugarberry, it is a completely different species than huckleberry or salmonberry. Whereas salmonberry is a shrub, sugarberry is a tree.

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Pino de la Costa (Pinus contorta var. contorta)

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Mayo 26, 2012

Descripción

Also called lodgepole pine, had 3 needles per fascicle.

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Espinos de Fuego, Piracantos Y Parientes (Género Cotoneaster)

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Mayo 26, 2012

Descripción

I go by the name kinnikinnick. They have alternating small leaves with red berries for most of the year, even though they surprised me because they were white right now.

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Duraznillo (Cercis canadensis)

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Mayo 26, 2012

Descripción

I... got bothered because the tree was not red at all.

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Mayo 26, 2012

Descripción

A big leaf growing near the root of an alnus tree. So the leaves have white seeds and flowers that has fallen from the tree. I wonder if this shrub and the alnus tree are in a symbiotic relationship.

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Perlita Blanca (Symphoricarpos albus)

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Mayo 26, 2012

Descripción

Just simple opposite leaves when the berries are not there. Snowberries look like white chocolate that look delicious (to me) but in fact a little poisonous and not tasty at all. The berries linger on through mid winter after all leaves are gone, so you would see bare branches with white berries dangling.

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Álamo Negro (Populus trichocarpa)

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Mayo 26, 2012

Descripción

Cottonwoods like to grow near water. On the other side of this tree you could see the legacy of beavers carving out its bark.

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Mayo 26, 2012

Descripción

I am assuming that a dwarf birch and dwarf resin birch are the same species.

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