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Posts from September 2009


Ant Plant

Myrmecodia platytyrea

The genus name Myrmecodia is derived from the Greek myrmekodes, meaning ant-like or full of ants.  Myrmecodia is native to Northwest coast of Borneo, East Malaysia, New Guinea, and North Australia, Myrmecodia platytyria grows in tree branches and on trunks.  It develops a grotesque, somewhat spiny tuber at its base that  helps it form a symbiotic relationship with ants.  The tissue inside this specialized organ dies off in such a way as to form chambers and small airways for ventilation, providing an ideal habit to house ant colonies. But this is not a free ride for the ants; either by dying or defecating they bring nutrients to the plant, helping it to grow.

Myrmecodia tuberosaCut away view of Myrmecodia stem

(top) Myrmecodia  platytyria on display in the Tropical Greenhouse. (bottom) Cutaway view of a Myrmecodia tuber showing chambers

drawing courtesy of

44x15

 

It is thought that the established ant colony also helps to protect the plant from insects, but there are conflicting studies.  One study looking at another type of ant plant in the Amazon found that after removing ants, the plant was 4.3 times more likely to have herbivorous (plant eating) insects on them compared to plants with ants; however a University of Connecticut study found that ant-plants are more susceptible to a number of common pests such as scale and mealy bugs because of the ants behavior of ‘farming’ these pests on the plants that host them.

The Arboretum has a Myrmecodia platytyria on display in the Tropical Greenhouse.


Member Profile: Christine Hsiao

Member Profiles

1. What is your earliest memory at The Arboretum?

When I was about 8 years old, my parents took me and my grandparents to The Arboretum for a lovely afternoon for the first time. I remember chasing the peacocks, and my family and I were in awe of the beauty of the Queen Anne Cottage--with its peaceful and serene setting next to the lake.

2. What is your favorite place in The Arboretum?

My favorite place in The Arboretum is a spot on the northeest shore of the lake. It has the most majesticand fantastic view of the Baldwin Adobe, as well as the Queen Anne Cottage, with the lake flowing soothingly in the foreground. A part of history that has been preserved--one can only imagine what and how it must have been like to live next to the lake.

3. Why do you support The Arboretum?

When I was younger, I used to think that The Arboretum was just a "place filled with plants." It wasn't until I found out that The Arboretum was a popular Hollywood filming location that I started to wonder about the "place filled with plants" and what made it so attractive as a filming locale. Ironically, it is because of the plants that Hollywood calls upon The Arboretum, often for a jungle or tropical setting, or for just about anything at all.

I am supporting The Arboretum by researching and archiving a historical timeline of The Arboretum. I am also researching and adding to the development of the Arboretum's film archives.
 
I aspire to educate the public and the community about the history of The Arboretum--the impact of its historic and cultural significance following its transformation from The Arboretum's initial state as private ranch and residence to its current state as a public botanic garden.
 
I am also involved with The Arboretum library--the more time I spend there--I gain a better understanding and appreciation of The Arboretum's library collection. Coming across nursery catalogs, pamphlets, and research papers, especially from the early 1900's--to be able to have access to these historic files is just fascinating to me.

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Support The Arboretum for future generations

The Arboretum has flourished for over 60 years as an educational and environmental organization focusing on unique plant collections, book collections, and historic preservation. This historic landscape is the setting of many rich cultural stories shared with us daily--from the days when this was part of a private ranch and residence to the present when visitors enjoy the beauty of the natural world in the company of the wildlife that inhabit the area.


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