The difference between periwinkle and periwinkle

Article Catalog

Plant morphology

leaf morphology

flower form

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Plant form: Catharanthus vinca is a creeping semi-shrub plant with prostrate stems and creeping growth. The plant is short. Periwinkle is a subshrub plant with branches and the plant grows upright. Leaf shape: Catharanthus roseus leaves are oval, Catharanthus roseus leaves are membranous, obovate-oblong. Flower shape: The color of periwinkle flowers is blue-purple. Periwinkles come in a variety of colors.

Plant morphology

Plant shape

Periwinkle is a creeping semi-shrub plant with prostrate stems and short plants. There are hairs on the leaf edges, petioles, calyces and throat of the corolla.

Periwinkle is a sub-shrub plant with branches. The plant grows upright and can be as high as 60 cm. The whole plant is hairless or only slightly hairy.

Looking at the plants of Catharanthus roseus and Catharanthus roseus, the biggest difference between the two is that they stand prostrate and upright.

Leaf shape

The leaves of Catharanthus roseus are oval, 2-6 cm long, 1.5-4 cm wide, with sharp apex and opposite leaves.

The leaves of Catharanthus roseus are membranous, obovate-oblong, 3-4 cm long, 1.5-2.5 cm wide, and rounded at the apex.

Looking at the leaves of Catharanthus roseus and Catharanthus roseus, the difference between them is that compared to Catharanthus roseus, the leaves of Catharanthus roseus are larger and the leaf tips are more pointed. Periwinkle leaves are a bit more rounded.

Flower shape

When Catharanthus roseus blooms, the flowers are single and axillary, the corolla is blue, and the corolla tube is funnel-shaped. The color of periwinkle flowers is bluish-purple.

When periwinkle blooms, the flowers are axillary or terminal, and there are usually 2-3 flowers. The corolla is red and the corolla tube is cylindrical. Because there are many varieties of periwinkle. The colors of the flowers are also different, pink, red, white, yellow... They all have their own characteristics and are so beautiful.

In terms of flowers, there are other differences between periwinkle and periwinkle, and that is their flowering period. The flowering period of periwinkle is concentrated in March to May every year, which is spring, while the flowering period of periwinkle is not restricted by season, and the flowering period is almost all year round.

Judging from the flowers of Catharanthus roseus and Catharanthus roseus, Catharanthus roseus has only one flower, and it has blue-purple flowers, and the flowering period is shorter. Catharanthus roseus can bloom two or three flowers, has many flower colors, and has a long flowering period.

leaf morphology

flower form

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