1 + Lamellar Collenchyma …………………………………………………...........................2

− Angular Collenchyma…….……………………………………………………….............5

2 + Vascular bundle with round shape, irregular tendril outline…...…….............L. siceraria

- Lamellar and angular collenchyma………………….…………………………..…...……3

3 + Irregular vascular bundle, 6-angled tendril outline………………………………..C. pepo

- Oval and irregular vascular bundle………………..………………………………..……..4

4 + C shaped tendril shape…………………………………..……….C. pepo var. cylindrica

- Angular collenchyma cell layers……..…………………………………...……………….5

5 + Tendril outline oval, vascular bundle slightly oval……..……………..……C. colocynthis

- Subsidiary type vascular bundles………………………………………………………….6

6 + V shaped tendril, elliptical shape vascular bundle…………….………………...C. lanatus

- Irregular tendril outline…………...……………………………………………………….7

7 + Subsidiary type vascular bundle, rectangular epidermal cells……………………...C. melo

- Polygonal sclerenchyma cells……………………………….……………………………..8

8 + 4-angled tendril outline, irregular vascular bundle………………..C. melo subsp. agrestis

- Irregular tendril shape…………..………………………………………………................9

9 + Tetragonal sclerenchyma cells…………………….………………C. melo var. flexuosus  -

Triangular to polygonal sclerenchyma cells………..………………………………………10

10 + Central vascular bundle type..………......................................C. melo var. cantalupensis

- Elliptical and irregular vascular bundle shape…………………………………………...11

11 + Star shape tendril outline……………………………………………………….C. sativus

- Rectangular epidermal cells, irregular tendril…………………….……………………12

12 + Dumbbell type vascular bundle………………………………………………..C. maxima

- Rounded vascular bundle shape………………………..………………………………13

13 + Irregular with hollow pith tendril sape……………………..…………..…..L. acutangula

- Rounded to oval vascular bundle shape………….……………………………………14

14 + Polygonal tendril outline…………………………………...… L. acutangula var.amara

- Hexagonal tendril outline.…………………………………………15

15 + Hexagonal to polygonal chlorenchyma cells………………………….……L. cylindrica

- 4-angled tendril, rectangular to polygonal chlorenchyma cells………………………16

16 + Central type vascular bundle, tetragonal sclerenchyma cells………………M. balsamina

- Pentagonal chlorenchyma cells…………………………………………………………17

17 + Rounded and elliptical vascular bundle type……………………………M. charantia

- Rectangular epidermal cells, subsidiary vascular bundle type…………………………18

18 + Polygonal slightly U shaped tendril outline………………………………….P. fistulosus