Iris pseudacorus |
Iris munzii |
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fleur-de-lis, horticultural iris, iris jaune, pale-yellow iris, yellow flag, yellow iris, yellow water iris |
Munz's iris |
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Rhizomes | pink, freely branching, producing extensive clumps, 2–3 cm diam., with fibrous remains of old leaves; roots fleshy. |
freely branching, forming large clumps, slender, 1–1.2 cm diam., covered with remains of old leaves; roots fibrous. |
Stems | usually 1-branched, solid, 7–15 dm. |
simple, solid, 6–7 dm. |
Leaves | basal deciduous, at first erect, then recurved, blade dark green, with prominent median thickening, 4–10 dm × 2–3 cm, slightly glaucous basally; cauline equaling inflorescence unit. |
basal persistent, blade gray-green, green and without pink coloration basally, 6–7 dm × 1.5–2 cm, glaucous, margins not thickened; cauline 1–2, free from stem for ca. 1/2 length, foliaceous, spreading, blade not inflated. |
Inflorescence units | 4–12-flowered; spathes green with brown margins, outer spathe strongly keeled, inner without keel, 6–9 cm, subequal, margins not scarious. |
3(–4)-flowered; spathes widely separated, sometimes by 9 cm, divergent, unequal, outer 6.5–15 cm × 8–14 mm, inner much shorter. |
Flowers | perianth bright yellow; floral tube 0.6–0.8 cm, with no constriction into ovary; sepals bright yellow or cream colored, lanceolate to ovate or suborbiculate, 5–7.5 × 3–4 cm, base abruptly attenuate, claw ca. 1/2 length of limb, signal a darker yellow basal patch limited by short, brown lines; petals without veining, lanceolate to spatulate, 2–3 cm; ovary triangular in cross section with concave sides and narrow groove at each angle, 1.5 cm; style keeled, 3–4 cm, crests spreading, 1–1.2 cm, laciniate at apex; stigmas rounded with prominent tongue; pedicel 2.5–7 cm. |
perianth pale powder blue to lavender or violet, often frilled and veined in violet or darker blue; floral tube funnelform, 0.7–1 cm; sepals oblong-ovate to broadly oblanceolate, 6.2–9 × 1.8–3.7 cm, base gradually attenuate, apex emarginate; petals oblong to spatulate, 5–9.5 × 1.2–2.1 cm, base attenuate, apex apiculate; ovary rounded in cross section, 1.4–3 cm, base gradually attenuate into pedicel, apex abruptly acuminate into floral tube; style 3 cm, crests reflexed, subquadrate, shallowly lobed, 1.1–2 cm, margins entire or obscurely and shallowly lobed; stigmas triangular, margins entire; pedicels of varying lengths, 0.8–4.8 cm on first flower, those of later flowers longer. |
Capsules | prismatic to oblong-ovoid, obscurely 3-angled with obvious groove at each angle, 3.5–6 cm, beak 5 mm. |
oblong, rounded in cross section, tapering abruptly at either end, to 5 cm. |
Seeds | D-shaped, flattened, 6–7 mm, corky, lustrous. |
brown, D-shaped or irregular, coarsely wrinkled. |
2n | = 34. |
= 40. |
Iris pseudacorus |
Iris munzii |
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Phenology | Flowering Apr–Jun. | Flowering Apr–May. |
Habitat | Swamps, wet shores of rivers and lakes | Partially shaded areas and along stream banks or on moist slopes |
Distribution |
AL; AR; CA; DC; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; ME; MS; NC; NH; NY; OH; PA; RI; SC; TN; VA; WA; WV; BC; MB; NB; NF; NS; ON; PE; QC; Eurasia; n Africa [Introduced in North America]
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CA |
Discussion | No natural hybrids of Iris munzii are known, but horticultural hybrids have been made with I. bracteata, I. douglasiana, I. hartwegii, I. innominata, and I. macrosiphon. It is known only from Tulare County, California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 26, p. 390. | FNA vol. 26, p. 387. |
Parent taxa | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Laevigatae | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Californicae |
Sibling taxa | ||
Name authority | Linnaeus: Sp. Pl. 1: 38. (1753) | R. C. Foster: Iridis Sp. Nov., 2. (1938) |
Web links |
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