Iris munzii

R. C. Foster

Iridis Sp. Nov., 2. 1938.

Common names: Munz’s iris
Endemic
Treatment appears in FNA Volume 26. Treatment on page 387. Mentioned on page 374, 382, 383, 384, 385.

Rhizomes freely branching, forming large clumps, slender, 1–1.2 cm diam., covered with remains of old leaves; roots fibrous. Stems simple, solid, 6–7 dm. Leaves: 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 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 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 oblong, rounded in cross-section, tapering abruptly at either end, to 5 cm. Seeds brown, D-shaped or irregular, coarsely wrinkled. 2n = 40.


Phenology: Flowering Apr–May.
Habitat: Partially shaded areas and along stream banks or on moist slopes

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.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."decreasing" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Iris munzii"
dehiscing +  and latrorse +
apiculate +  and emarginate +
Norlan C. Henderson +
R. C. Foster +
attenuate +
Iris subsect. Californicae +
green and without pink +  and gray-green +
not inflated +
1.5cm;2cm +
additional +
cordlike +
enlarging +
tapering +, rounded +  and oblong +
0 cm0 mm <br />0 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Munz’s iris +
lobed +  and subquadrate +
1.1cm +  and 2cm +
monochasial +
distinct or;partly completely connate +
hollow +  and solid +
ridged +  and terete +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
sessile +  and pedicellate +
fragrant +
upward-facing +
hollow +, solid +, branched +  and simple +
flattened +, terete +  and cordlike +
indehiscent +  and loculicidal +
woody;firm;cartilaginous +
Partially shaded areas and along stream banks or on moist slopes +
multicellular +
distinct +
cauline +  and basal +
scale-like +
distinct +
conspicuous +
triangular +  and rounded +
entire +  and obscurely +
not thickened +
rounded +
1.4 cm14 mm <br />0.014 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
Purple (?) +, Blue-violet (?) +, Blue (?) +, Maroon (?) +, Copper-red (?) +, Brown (?) +, Tan (?) +, Yellow (?) +  and White (?) +
4 cm40 mm <br />0.04 m <br /> (18 cm180 mm <br />0.18 m <br />) +
differentiated +
5 cm50 mm <br />0.05 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
reflexed +, spreading +  and erect +
reduced +
1.2 cm12 mm <br />0.012 m <br /> (?) +  and 2.1 cm21 mm <br />0.021 m <br /> (?) +
Flowering Apr–May. +
darker blue +, violet +, blue +  and lavender or violet +
Iridis Sp. Nov., +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
heterogeneous +
tan;dark-brown +
conspicuously roughened +  and extensively corky +
4 +  and 20 +
wrinkled +
d--shaped +
reflexed +  and spreading +
oblong-ovate +  and broadly oblanceolate +
expanding +
1.8 cm18 mm <br />0.018 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
divergent +  and separated +
persisting +
6.5cm;15cm +
inner +  and outer +
unequal +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
monochasial +
solid +  and simple +
triangular +
3-lobed +  and filiform +
3 cm30 mm <br />0.03 m <br /> (?) +
Undefined subg. Limniris +
Iris munzii +
Iris (sect. Limniris) ser. Californicae +
species +
connate +  and distinct +
scarious +
spathaceous +  and more-flowered +
obscure;prominent +
hardened +  and papery +
unequal +