Angiosperms (Flowering Plants) • Earth.com

Manchu Iris

(Iris mandshurica)

galery
en

Description

Iris mandshurica is a species in the genus Iris, it is also in the subgenus of Iris and in the Psammiris section. It is a rhizomatous perennial, it is found in Russia, China, and Korea. It has green sword-like leaves, smooth green stem and yellow flowers, with yellow-purple (or maroon) veining and a yellow beard. It is cultivated as an ornamental plant in temperate regions.It is thought to be similar in form to Iris bloudowii and Iris humilis, having a short rhizome (like Iris bloudowii) and narrow, pointed spathes like Iris humilis. It has a short, thick rhizome. It has branching, thick, fibrous and strong secondary stolons roots, which are yellow and white. On top of the rhizome, are the brown, fibrous remains of old leaves. It has green, ensiform (sword shaped) or lanceolate basal (growing from the base) leaves.They are slightly bent or curved. They can grow up to between 10–15 cm (4–6 in) long and 0.8–1 cm wide, at blooming time. They then lengthen, and by the time the iris has seed capsules, they are between 30 cm (12 in) long and 1.5 cm wide. They have 2–4 longitudinal veins. It has a smoother stem, that can reach up to between 10–20 cm (4–8 in) long. The stem has 3 green, lanceolate, (scarious) membranous, spathes or bracts (leaves of the flower bud).They are 3.5–5 cm (1–2 in) long and 1-1.8 cm wide. It also has a small pedicel (flower stalk), between 6 mm to 1 cm long. The stems hold 1–2 terminal (top of stem) flowers, blooming early in the season, in May. The flowers are 4–5 cm (2–2 in) in diameter,and yellow. It has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'. The falls are obovate, with maroon, brown, or brown purple veining. They are 4–5 cm (2–2 in) long and 1.5–2 cm wide.In the centre of the petal, is a yellow beard. The erect standards are long and narrow, or oblanceolate, they are up to 3.5 cm (1 in) long. It has a 2–2.5 cm long, funnel-shaped perianth tube, 2 cm long stamens, yellow anthers and a 1–1.2 cm long green, spindle-shaped, ovary. It has long and flat, style branches that are 3 cm long and 4–5 mm wide, they have a large lobed (or toothed) end.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum:
Class: Liliopsida
Order:Asparagales
Family:Iridaceae
Genus:Iris
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