Iris chrysophylla |
|
---|---|
golden leaf iris, slender-tubed iris, yellow-flower iris, yellow-leaf iris |
|
Rhizomes | compact, dark brown, slender, 0.5–0.6 cm diam., covered with old leaf bases; roots few, fibrous. |
Stems | simple, solid, slender, 0.25–2 dm. |
Leaves | basal with blade light green, pink or red-tinged basally, finely ribbed, linear-acute, 2.5–5 dm × 0.3–0.5 cm, somewhat glaucous, margins not thickened; cauline 1–3, imbricated, blade bractlike, inflated. |
Inflorescence units | usually 2–flowered; spathes sometimes flushed pink or purple apically, lanceolate to linear-lanceolate, 5–10 cm × 3–7 mm, unequal, outer much shorter and narrower than inner, herbaceous, margins often scarious, apex acute. |
Flowers | perianth cream or very pale yellow, with deeper yellow or lavender veins; floral tube linear, slender, 4.5–12 cm; sepals with bluish tinge and veins, oblanceolate, 4.6–7 × 1–2 cm, base gradually attenuate; petals lanceolate, 3–5.5 × 0.6–1.2 cm, base gradually attenuate, apex emarginate; ovary 1–1.8 cm, base abruptly attenuate into pedicel (when present), apex gradually acuminate into floral tube; style 2–3 cm, crests 1.5–2 cm, sometimes exceeding arms, apex narrowly pointed; stigmas tongue-shaped, margins entire; pedicel absent or 0.5–1 cm at anthesis. |
Capsules | sometimes on elongated pedicel, oblong, round in cross section, sharply beaked, 2–3 cm. |
Seeds | buff, slightly compressed. |
2n | = 40. |
Iris chrysophylla |
|
Phenology | Flowering Apr–Jun. |
Habitat | Open, coniferous forests |
Distribution |
CA; OR
|
Discussion | Iris chrysophylla hybridizes with I. bracteata, I. douglasiana, I. innominata, I. macrosiphon, I. purdyi, I. tenax, and I. tenuissima. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 26, p. 386. |
Parent taxa | Iridaceae > Iris > subg. Limniris > sect. Limniris > ser. Californicae |
Sibling taxa | |
Name authority | Howell: Fl. N. W. Amer., 633. (1902) |
Web links |