Iris innominata |
Iris longipetala |
|
---|---|---|
Del Norte County iris, Del Norte iris, golden iris |
coast iris, long-petal iris |
|
Rhizomes | freely branching, forming compact tufts, slender, 0.3–0.4 cm diam., covered with remains of old leaves; roots fibrous. |
with short, creeping branches, stout, 2–2.5 cm diam., covered with bases of old leaves; roots numerous, fleshy. |
Stems | simple, solid, slender, 2–2.5 dm. |
simple or 1–2-branched, solid, 3–6 dm. |
Leaves | basal evergreen, abundant, blade dark, shining green on one side, lighter green on the other, pink to deep purple basally, 3.5 dm × 0.2–0.4 cm, longer than flowering stem, margins not thickened; cauline 2–4, sheathing stem for about 2/3 length, foliaceous, spreading, blade not inflated, 4–9 cm. |
basal persistent, blade dark green, turning gray or yellow-brown when drying, veins not prominent, linear, 4–7 dm × 0.6–1 cm, usually longer than stem, glaucous or subglaucous, apex acute; cauline 2–3, reduced. |
Inflorescence units | 1(–2)-flowered; spathes closely enclosing ovary and floral tube, broadly lanceolate to ovate, 3.3–6 cm × 5–7 mm, herbaceous, margins scarious. |
3–6-flowered; spathes distant, inner sometimes 10 cm distal to outer, green, narrowly linear-lanceolate, 8–15 cm × 20–40 mm, herbaceous, margins and apex scarious. |
Flowers | perianth usually dark golden yellow, cream, pink, lavender, or purple, heavily veined purple or brown; floral tube 1.5–3 cm; sepals usually yellow with heavy veining, broadly oblanceolate, 4.5–6 × 1.7–3 cm, base gradually attenuate, margins often wavy; petals same color as sepals with lighter veining, narrowly oblanceolate, 4–5.7 × 0.9–1.6 cm, base gradually attenuate; ovary roundly triangular in cross section, 1.5–1.8 cm; style 2–2.6 cm, crests overlapping, subquadrate to semiovate, 0.9–1.4 cm, margins irregularly toothed; stigmas triangular, margins entire; pedicel 0.4–1.3 cm at anthesis. |
perianth pale blue-violet or nearly white, with lilac-purple veins; floral tube funnelform, 0.5–1.3 cm; sepals spreading, then drooping at apex, white, flecked and veined with violet, obovate, 8–10 × 3–5 cm, base attenuate into narrow claw with prominent yellow ridge, signal a yellowish basal patch; petals semierect, oblong, 8–9 × 1.5–2 cm, base gradually attenuate, apex emarginate, bluntly rounded; ovary trigonal with central ridge in each face, 2–5 cm; style narrow basally, widening distally, 3.5–4 × 0.6–1 cm, crests overlapping basally, subquadrate, 1–1.5 cm, margins incised; stigmas obscurely to prominently 2-lobed, margins crenate; pedicels stout, 3–9 cm, unequal at anthesis, becoming ± equal at maturity. |
Capsules | oblong-oval, circular in cross section, 2.5 × 1.2 cm. |
6-ribbed, oblong-ovoid, tapering to either end, almost round in cross section, 8–9 cm. |
Seeds | in 2 rows per locule, dark brown, oval, sharply angled, 3 mm, wrinkled, pitted. |
dark brown, globular, wrinkled. |
2n | = 40. |
= 86, 88. |
Iris innominata |
Iris longipetala |
|
Phenology | Flowering May–Jun. | Flowering Mar–Apr. |
Habitat | Dry, sunny woods | Wet, heavy soil along coast |
Distribution |
CA; OR
|
CA
|
Discussion | Iris innominata hybridizes with I. bracteata, I. chrysophylla, I. douglasiana, I. fernaldii, I. macrosiphon, I. munzii, I. purdyi, and I. tenax. It is known only from southwestern Oregon and Del Norte County in northwestern California. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Iris longipetala hybridizes with I. missouriensis and is found from Mendocino County south to Monterey. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 387. | FNA vol. 26, p. 389. |
Parent taxa | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Californicae | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Longipetalae |
Sibling taxa | ||
Name authority | L. F. Henderson: Rhodora 32: 23. (1930) | Herbert: in W. J. Hooker and G. A. W. Arnott, Bot. Beechey Voy., 395. (1840) |
Web links |