Grasspea

Question 1

What is the name of the study?

Answer 1

Study on external morphology of a grasspea plant (Leguminosae/Fabaceae family)

Question 2

What is the scientific name of grasspea?

Answer 2

Lathyrus sativus

Question 3

What is the Bengali name for grasspea?

Answer 3

Khesari

Question 4

What is the English name for grasspea?

Answer 4

Grasspea

Question 5

What type of root system does grasspea have?

Answer 5

Tap root system, profusely branched, nodulated

Question 6

Describe the stem of grasspea.

Answer 6

Procumbent, soft, smooth, winged, and branched

Question 7

What family does grasspea belong to?

Answer 7

Leguminosae (Fabaceae)

Question 8

What sub-family is grasspea part of?

Answer 8

Papilionaceae

Question 9

Describe the leaf of grasspea.

Answer 9

Pinnate compound leaf, alternate, stipulate, stipules leaf-like, leaflets 3, 5, or 7, entire, linear lanceolate, terminal leaflets modified into tendril structure

Question 10

Describe the flower of grasspea.

Answer 10

Solitary and axillary, pedicellate, bisexual, complete, irregular, zygomorphic, hypogynous, papilionaceous

Question 11

What is the calyx structure of grasspea?

Answer 11

5 sepals, gamosepalous, united at the base and free at the end

Question 12

What type of fruit does grasspea produce?

Answer 12

Legume/pod

Question 13

Describe the corolla of grasspea.

Answer 13

5 petals; the outermost odd petal is the largest and blue (vexillum or standard), inner two called wings (alae), innermost two keel (karina) united to form a boat-shaped structure (whitish in color)

Question 14

What is the androecium structure of grasspea?

Answer 14

10 stamens, diadelphous, 9 united in one bundle and 1 separate, filaments long, anthers bilobed

Question 15

Describe the gynoecium of grasspea.

Answer 15

1 carpel, ovary superior, unilocular, style curved, stigma spatulate (spoon-shaped), placentation marginal

Question 16

What is the floral formula of grasspea?

Answer 16

K(5) C(2+2) A(10) G(1)

Question 17

What are the identifying characters of the family?

Answer 17

Herbaceous and annual plant, complete bisexual flower, zygomorphic and papilionaceous, stamens diadelphous, monocarpellary superior ovary with marginal placentation, seed cotyledonary (ex-albuminous)

Question 18

What are some other species related to grasspea?

Answer 18

Gram or Chick pea (Cicer arietinum), Lentil (Lens esculenta), Garden pea (Pisum sativum), Soybean (Glycine max), Groundnut/Peanut (Arachis hypogaea)