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German iris

Botanical Name:

Iris germanica

Common Name:

German iris,Flags,Iris


Rhizomes homogeneous, usually many-branched, light brown, 1.2–2 cm diam., smooth, nodes marked by rings around rhizome, branches may arise in the fan or as many as 15–20 nodes produced prior to active leaves. Stems green, 2–3-branched, solid, 6–12 dm × 1–1.5 cm, glaucous. Leaves equitant, blade sometimes purplish at base, ensiform, to 4.5 dm × 3.5 cm, glaucous. Inflorescences with terminal unit 2–3-flowered, branch units 1–2-flowered; spathes green, sometimes with purple base, 2–5 cm, herbaceous with narrow, scarious margins and tip. Flowers: perianth shades of blue-violet, yellow, brown, or white with various patterns of pigment distribution; floral tube 1–2.5 cm; sepals spreading, drooping, or somewhat reflexed, blue-violet, yellow, brown, or white with patterned overlay of darker blue-violet, with white or yellow beard along midrib of claw and lower part of limb, obovate limb tapering gradually to claw, 6–7.5 × 4–5.5 cm; petals alternating with sepals, erect, obovate, 5–7 × 4–5.5 cm, with short, 1.5–2 cm, channeled claw; ovary roundly trigonal, 1.5–2.5 cm, slightly wider than floral tube. Capsules borne on ends of stems and branches, roundly 3-lobed, 3–5 × 2.5 cm, apex with short remnant of floral tube. Seeds in 2 rows per locule, red-brown, oval, 3–4 mm, wrinkled. 2n = 24.

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Mesic, Dry Mesic, Dry

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