Wednesday, January 23, 2008

First test of the RSS feed

This is a botany photo RSS feed.

Friday, January 18, 2008

More about my Plant: Lab Project Questions (1)

Gas Exchange
  1. Where are the stomata located?
  2. On which surfaces?
  3. What are the shapes of cells in the epidermis (guard cells, subsidiary cells, ordinary epidermal cells)?
  4. How many stomata are there per square millimeter?
  5. How do you know the diameters of the fields of view?
  6. Are the stomata located in the depressions?
  7. What is the nature of the cuticle (thick or thin)?
  8. Are the epidermal hairs present?
  9. What is their structure?
  10. Is the epidermal layer unicellular or multicellular?

About my plant



This is my houseplant, which is a Pothos. I brought it here because there is more sunlight. And, my cat kept eating its leaves. It was in my room.



Common name: Variegated Pothos.
Devil's Ivy, Silver Vine, Money plant in some parts of the world.
Philodendron is an incorrect name.

Scientific name: Epipremnum aureum.
Kingdom: Plantae, Division: Magnoliophyta, Class: Liliopsida, Order: Alismatales, Family: Araceae, Subfamily: Monsteroideae, Genus: Epipremnum, Species: E. aureum


Color: Green, due to abundance of chloroplasts.
White marbled as well. The white marbling can sometimes be yellow.

Features: Lenthy stems, leaves
Stems are lined with root nubs.
Heart shaped leaves
Size of leaf ranges from long and narrow to short and fat.

Conditions/Tolerates:
Pothos needs medium indirect light, however it can tolerate small amounts of bright light. Too much bright light will scorch the leaves. This is a very hardy plant that can withstand mistreatment. Needs moderate watering. Prefers a temperature of from 17C to 30C, or 63C to 86C.
Can grow hydroponically.

Pictures:

Stem



Leaf




Root


More information:

Stems can grow to 20m in length, and 4cm in diameter. Aerial roots hook over tree branches. These roots can also grow into ground roots. The leaves are evergreen, and are larger on younger plants. Leaves are typically under 20cm long.
This is a popular houseplant. Cultivars select it for white, yellow or light green marbled look. It is a very hardy plant that requires little maintenance. This plant is effective in removing indoor pollutants, especially artificial ones such as formaldehyde.



Another picture of my Epipremnum aureum.