How to identify Yellow flag (Iris pseudacorus)
Yellow flag, also known as Dragon flower, Paleyellow iris
Yellow flag displays an array of vibrant yellow flowers reaching heights of 1-2 feet (30-60 cm) above the deep green blade-like leaves that stretch to 3-4 feet (90-120 cm). The foliage, prominent in wetland habitats, forms a striking upright clump as a perennial bulb. These features emerge in late spring, presenting a contrastingly bright display against its soft, marshy surroundings. The visual allure is characterized by the long, sword-shaped leaves, and the flowers' golden hues, each petal adorned with delicate veining.
Lifespan: Perennial
Plant Type: Herb
Leaf Type: Deciduous
Vibrant yellow flowers reaching 1-2 feet (30-60 cm) in height.
Sword-shaped leaves up to 3-4 feet (90-120 cm) with parallel venation.
Distinctly shaped, dry 3-sided capsule measuring 1.5–3 inches (3.8–7.6 cm) in length.
Stout, upright stem reaching 3-4 feet (90-120 cm) with smooth, unbranched structure.
April to June blooming period with lance-shaped petals in fan-like distribution.
The leaves of yellow flag are erect and sword-shaped, measuring up to 35 inches (90 cm) in length and 1.2 inches (3 cm) wide. They exhibit parallel venation and have smooth margins, presenting a streamlined, sleek appearance. The leaves are a vibrant green, contributing to the plant's overall aesthetic while providing a distinctive characteristic useful for identification.
Yellow flag features striking, vibrant yellow flowers typically measuring 3-4 inches (7.6-10.2 cm) in diameter. Each stem can bear multiple blooms, which prominently display their elegant, lance-shaped petals arranged in a fan-like distribution. The flowers possess a delicate, understated fragrance and primarily bloom from April to June. This combination of vibrant color, notable petal structure, and blooming period are key characteristics that aid in the identification of yellow flag's flowers.
The stem of yellow flag is stout and glabrous, showcasing a smooth texture without any hairiness. It is typically upright and robust, providing strong structural support. The stem can reach heights of up to 3-4 feet (90-120 cm). Its color ranges from light green to a darker, richer green. The stem of yellow flag lacks significant branching, presenting a simple, unbranched appearance that enhances its sturdy, pronounced form, crucial for identifying this species.
The fruit of yellow flag is a distinctly shaped, dry 3-sided capsule measuring approximately 1.5–3 inches (3.8–7.6 cm) in length. It houses numerous pale brown seeds, which are concealed within until maturity. The texture and color of the capsule are typically consistent with a mature seed pod, evolving from its flowering state to a hardened protective vessel for seed dispersal.
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Scientific Classification of Yellow flag
