Iris purdyi

Eastwood

Proc. Calif. Acad. Sci., ser. 3, 1: 78, plate 7, fig. 2. 1897.

Common names: Purdy’s iris
Endemic
Synonyms: Iris lansdaleana Eastwood Iris macrosiphon var. purdyi (Eastwood) Jepson
Treatment appears in FNA Volume 26. Treatment on page 385. Mentioned on page 374, 384, 386, 387.

Rhizomes much branched, forming dense clumps, dark redbrown, very slender, 0.3–0.6 cm diam., covered with remains of old leaves; roots fibrous. Stems simple, solid, 1.5–2.5 dm. Leaves: basal few, laxly spreading, longer than stem, blade bright dark green adaxially, flushed pink basally, veins subprominent, linear, 2.8–4.8 dm × 0.5–0.8 cm, rather glaucous abaxially, margins thickened, apex acute; cauline imbricated, sheathing, free only at tips, bracteiform, blade green edged with pink, strongly striate, inflated, apex acuminate. Inflorescence units 1–2-flowered; spathes green with prominent red margins, inflated, broadly lanceolate-ovate, 5.6–7 cm × 8–13 mm, unequal, outer shorter than inner, herbaceous, apex acuminate. Flowers: perianth pale creamy yellow flushed with pale lavender, with conspicuous brownish purple lines; floral-tube linear, 3–5 cm, somewhat dilated apically; sepals widely spreading, veined and dotted with deeper purple on claw and limb, oblanceolate, 5.5–8.4 × 1.6–2.7 cm; petals spreading, lanceolate, 5–7 × 1–2 cm, margins sinuate; ovary trigonal in cross-section with groove along each angle, narrow, 1–1.5 cm; style 2–3 cm, crests narrowly semiovate or nearly linear, laciniate, 1–2 cm; stigmas rounded-truncate to 2-lobed, never triangular, margins minutely denticulate; pedicel 1–2 cm. Capsules oblong-ovoid, trigonal, somewhat beaked, 2–3 cm. Seeds light-brown, D-shaped, oblong-ovoid, thick, finely wrinkled. 2n = 40.


Phenology: Flowering Apr–Jul.
Habitat: Open woods of redwood region

Discussion

Iris purdyi hybridizes with I. bracteata, I. chrysophylla, I. douglasiana, I. innominata, I. macrosiphon, I. tenax, and I. tenuissima.

Selected References

None.

Lower Taxa

None.

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

... more about "Iris purdyi"
dehiscing +  and latrorse +
Acuminate (?) +, Inflated (?) +  and Acute (?) +
Norlan C. Henderson +
Eastwood +
Iris subsect. Californicae +
green +, flushed pink +  and bright dark +
additional +
cordlike +
enlarging +
oblong-ovoid +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
bracteiform +  and sheathing +
Purdy’s iris +
laciniate +, linear +  and semiovate +
1cm +  and 2cm +
monochasial +
distinct or;partly completely connate +
hollow +  and solid +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
sessile +  and pedicellate +
fragrant +
upward-facing +
hollow +, solid +, branched +  and simple +
flattened +, terete +  and cordlike +
indehiscent +  and loculicidal +
woody;firm;cartilaginous +
Open woods of redwood region +
multicellular +
distinct +
cauline +  and basal +
scale-like +
brownish purple +
distinct +
conspicuous +
triangular +  and rounded +
denticulate +  and sinuate +
6-angled +, 3-angled +  and terete +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
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 /> (7 cm70 mm <br />0.07 m <br />) +
reduced +
1 cm10 mm <br />0.01 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
Flowering Apr–Jul. +
Proc. Calif. Acad. Sci., ser. +
dark redbrown +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
heterogeneous +
tan;dark-brown +
conspicuously roughened +  and extensively corky +
4 +  and 20 +
wrinkled +
oblong-ovoid;d--shaped +
deeper purple +  and dotted +
oblanceolate +
expanding +
1.6 cm16 mm <br />0.016 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
persisting +
5.6cm;7cm +
lanceolate-ovate +  and inflated +
unequal +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
monochasial +
solid +  and simple +
triangular +, rounded-truncate +  and 2-lobed +
3-lobed +  and filiform +
2 cm20 mm <br />0.02 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
Iris lansdaleana +  and Iris macrosiphon var. purdyi +
Iris purdyi +
Iris (sect. Limniris) ser. Californicae +
species +
connate +  and distinct +
scarious +
spathaceous +  and more-flowered +
subprominent +
0.5cm +  and 0.8cm +
hardened +  and papery +
unequal +