1、 Different properties

Keel and three edged arrow are different plants, and there are obvious differences in attributes. The keel, also known as caiyunge, is a fleshy plant of Euphorbiaceae Euphorbiaceae. The three edged arrow, also known as overlord flower, is a plant of the genus Tianchi in cactus family

2、 Different shapes

The stem of the keel is very strong and long, and some can reach more than 8 meters. From the appearance, it is fleshy, green, with three wide edges, and there are small pits between the armpits of the edges. Compared with the former, the three edged arrow has more branches, wide and thin edges, aerial roots on the stem, and the spacing of thorns is about 34 cm

3、 Different flowers

The distinction between the two can also be seen from the flowers. When the keel blooms, the flowers are solitary, 25-30 cm long. The calyx is petal shaped, yellow green. The petals are white. The flower color of trigonous arrow is white and funnel-shaped. The outer petals are yellow green and the inner ones are white

4、 Different fruits

The two can also be distinguished from the fruit. When the keel bears fruit, the shape of the fruit is oval to oval, 6-12 cm long and about 4-10 cm in diameter. The surface is red and the pulp is white. The fruit of the three edged arrow is long spherical, slightly larger than the strong one