Printable Sunflower Coloring Pages Ideas

The Sunflower is an annual plant belonging to the Asteraceae family. You can get these unique flowers on this page. You can print then color them as you like. Happy coloring.

The scientific name of sunflower is Helianthus Annuus. It is an annual, perennial and rustic plant that can reach 2 m in height. It has a very thick, rough, and hirsute stem.

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The arrangement of the leaves (of an intense green color) along the stem is alternate.

The shape is mostly ovate or even triangular and heart-shaped at the base and with a sharp apex. The margins are serrated.

This plant generally has a single flower, head-shaped, actually characterized by two discs on which two types of flowers are inserted: the outer ones (petal-shaped, yellow, orange, or brown) and the inner ones (tubular dark orange-brown).

Sunflower is originally from South and North America, and it can currently be found in Italy on the plains or hills.

It prefers vegetable gardens (human crops) and abandoned areas (rubble and rubbish), rural roads, and escarpments.

The important thing for the plant is to find very fertile and averagely humid soil.

The sunflower is a herbaceous plant with an inflorescence, which is a set of flowers, to be precise, a head-shaped inflorescence.

The flower head is composed of two types of flowers: in the center the flowers of the disc (the brown “button”) and on the periphery the flowers of the ray (those commonly called petals and which are yellow).

The disc flowers can be closed (usually those in the center) or open (the outer ones).

You can isolate them by pulling them away from the base. They have the shape of a small trumpet; this tubular body is the corolla, whose petals are welded together for most of their length, while at the upper end, they separate forming notches.

The ray florets are elongated; the corolla is formed by petals welded together to form a tab, which is a tab that gives the entire flower the appearance of a petal.

The stem is straight and robust and can reach great heights, even up to three meters, but there are also smaller varieties.

The leaves are large, deep green, have a long petiole, are rough on both sides, and are opposite until the second to third pair, afterward they are alternate. It has a long taproot on which the lateral roots are inserted.