Pisum is a genus of the family Fabaceae

Fabaceae

The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and economically important family of flowering plants. The group is the third largest land plant family, behind only the Orchidaceae and Asteraceae, with 730 genera and over 19,400 species...

, native to southwest Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

 and northeast Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. It contains one to five species, depending on taxonomic interpretation; the International Legume Database (ILDIS) accepts three species, one with two subspecies http://www.ildis.org/LegumeWeb/6.00/names/npall/npall_567.shtml:

• Pisum abyssinicum (syn. P. sativum subsp. abyssinicum)
• Pisum fulvum
• Pisum sativum
  Pea
  A pea is most commonly the small spherical seed or the seed-pod of the pod fruit Pisum sativum. Each pod contains several peas. Peapods are botanically a fruit, since they contain seeds developed from the ovary of a flower. However, peas are considered to be a vegetable in cooking...
  
  - Pea
  Pea
  A pea is most commonly the small spherical seed or the seed-pod of the pod fruit Pisum sativum. Each pod contains several peas. Peapods are botanically a fruit, since they contain seeds developed from the ovary of a flower. However, peas are considered to be a vegetable in cooking...
  
  
  • Pisum sativum subsp. elatius (syn. P. elatius, P. syriacum)
  • Pisum sativum subsp. sativum

Pisum sativum (the field or garden pea), is domesticated and is a major human food crop.

Pisum species are used as food plants by the larva

Larva

A larva is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle...

e of some Lepidoptera

Lepidoptera

Lepidoptera is a large order of insects that includes moths and butterflies . It is one of the most widespread and widely recognizable insect orders in the world, encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies...

 species including Bucculatrix pyrivorella

Bucculatricidae

Bucculatricidae or is a family of moths. This small family has representatives in all parts of the world. Some authors place the group as a subfamily of the family Lyonetiidae....

, Cabbage Moth

Cabbage Moth

Note: the Small White species of butterfly is commonly called a "cabbage moth" in North America.The Cabbage Moth is a common European moth of the family Noctuidae....

, Common Swift

Common Swift (moth)

The Common Swift is a moth of the family Hepialidae. It was previously placed in the genus Hepialus. It is a common, often abundant European species....

, Ghost Moth

Ghost Moth

The Ghost Moth , also known as the Ghost Swift, is a moth of the family Hepialidae. It is common throughout Europe except for the far south-east...

, Hypercompe indecisa

Hypercompe

Hypercompe is a genus of moths of the family Arctiidae. There are over 80 species found throughout the Americas. Several species were formerly separated in Ecpantheria which is now regarded as a junior synonym. They are typically large moths with white forewings heavily spotted with black, and...

, The Nutmeg

Nutmeg (moth)

The nutmeg , also known as the clover cutworm, is a moth of the family Noctuidae. It is found throughout Europe although in the north of its range it is a summer migrant, not being able to survive the cold winters.This is a small to medium species with cryptically coloured forewings, varying from...

, Setaceous Hebrew Character

Setaceous Hebrew Character

The Setaceous Hebrew Character is a moth of the family Noctuidae. It is found in the Palearctic ecozone. It is a common species throughout Europe. It is also found in North America, from coast to coast across Canada and the northern United States to western Alaska. It occurs in the Rocky Mountains...

 and Turnip Moth

Turnip Moth

The Turnip Moth is a moth of the family Noctuidae. It is a common European species, but it is also found in Asia and Africa, very likely having been spread by the international trade in nursery stock...

.

The Pisum sativum flower has 5 sepals (fused), 5 petals, 10 stamens (9 fused in a staminal tube and 1 stamen is free) and 1 subsessil carpel.