Iris macrosiphon |
Iris fernaldii |
|
---|---|---|
bowltube iris, ground iris |
Fernald's iris |
|
Rhizomes | many-branched, forming tufts, with fibrous remains of old leaves at nodes, slender, 0.6–0.8 cm diam.; roots few, fibrous. |
many-branched, producing dense clumps, compact, slender, ca. 0.6 cm diam., base covered with remains of old leaves; roots fibrous. |
Stems | simple, solid, almost absent or to 2.5 dm. |
simple, solid, 2–4 dm. |
Leaves | basal longer than stem, blade light green, finely veined, narrowly linear, 3–4 dm × 0.4–0.6 cm, glaucous, margins not thickened, apex acute; cauline 1–2, spreading, sheathing for about 1/2 length, foliaceous, blade not inflated, 0.7–1 dm. |
basal with blade gray-green, usually brilliantly colored basally, drying to unusual gray-green, veins fairly prominent, to 4 dm × 0.7–0.8 cm, often quite glaucous, margins not thickened; cauline 2–several, spreading, sheathing stem for about 1/2 length, foliaceous, blade not inflated. |
Inflorescence units | (1–)2-flowered; spathes nearly opposite, connivent, linear-lanceolate, 4–9.5 cm × 4–6 mm, subequal or outer longer. |
2-flowered; spathes opposite, connivent, often flushed red basally, broadly lanceolate, 5–9 cm × 6–11 mm, subequal. |
Flowers | perianth indigo, purple, lavender, white, cream, or yellow; floral tube linear, gradually dilating apically, 6 cm; sepals usually with fine, dark veins basally, becoming coarser on claw, oblanceolate or obovate, 3.9–7 × 2 cm, base abruptly attenuate into claw; petals oblanceolate, 3.5–6 × 0.5–1.6 cm, base gradually attenuate; ovary ovoid, ca. 1 cm; style 2–3.5 cm, crests overlapping, reflexed, semiovate, 0.8–1.8 cm, margins denticulate; stigmas triangular, margins entire; pedicel 1.5–2 cm. |
perianth pale creamy yellow with gold or gray veins; floral tube funnelform, 3–6.2 cm, spreading apically to form wide throat; sepals horizontally spreading, claw with deep yellow median line, oblanceolate to spatulate, 4.5–7 × 1–2 cm, base gradually attenuate into broad claw; petals narrowly oblanceolate, 4.3–6 × 0.6–1.4 cm, base gradually attenuate into narrow claw; ovary elliptical, nearly circular in cross section, 1.5–2.3 cm; style 2.2–3 cm, crests divergent, linear to narrowly oblong, 1–1.7 cm; stigmas triangular, margins entire; pedicel 0.9–2.2 cm at anthesis. |
Capsules | oblong to ovoid, somewhat 3-angled in cross section, 2.5–3 cm. |
oblong, roundly trigonal, distinctly beaked, 2.5–3.5 cm. |
Seeds | dark brown, angular, finely wrinkled. |
dark brown, wrinkled. |
2n | = 40. |
= 40. |
Iris macrosiphon |
Iris fernaldii |
|
Phenology | Flowering Apr–Jun. | Flowering Apr–Jul. |
Habitat | Sunny hillsides, meadows, roadsides | Mixed evergreen forest |
Distribution |
CA
|
CA
|
Discussion | Iris macrosiphon hybridizes with I. chrysophylla, I. douglasiana, I. fernaldii, I. hartwegii, I. innominata, I. munzii, I. purdyi, I. tenax, and I. tenuissima. The invalid name “Iris californica” Leichtlin has sometimes been applied to a portion of this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Iris fernaldii hybridizes with I. douglasiana, I. innominata, and I. macrosiphon. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 384. | FNA vol. 26, p. 387. |
Parent taxa | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Californicae | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Californicae |
Sibling taxa | ||
Synonyms | I. elata | |
Name authority | Torrey: Pacif. Railr. Rep. 4(5): 144. (1857) | R. C. Foster: Iridis Sp. Nov., 1. (1938) |
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