No key was found for the requested taxon, but it has only one child: Crocosmia ×crocosmiiflora. Showing where it is keyed below.

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Key to Iridaceae

Iridaceae

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1
Inflorescence a spike or panicle of spikes; plants from corms; flowers slightly zygomorphic.
  2
Stem usually branched, the inflorescence appearing paniculate; tepals orange to red
 ⇒ Crocosmia ×crocosmiiflora
  2
Stem unbranched, the inflorescence a spike; tepals any of a wide range of colors (including orange and red)
    3
Inflorescence bent at its base, the inflorescence axis more-or-less horizontal, the flowers facing upward
 ⇒ Freesia
    3
Inflorescence erect, the flowers facing outward
 ⇒ Gladiolus
1
Inflorescence an umbellate 1-sided cyme; plants from rhizomes or bulbs; flowers actinomorphic.
  4
Leaves planar; plants from rhizomes (or indistinct) or a bulb (in Iris xiphium).
    5
Style branches broad, petaloid, terminating in paired crests
 ⇒ Iris
    5
Style branches not broad or petaloid.
      6
Tepals 16-35 mm long, orange or red; seeds 4-6 mm in diameter
 ⇒ Iris domestica
      6
Tepals 6-15 mm long, blue, purple, lavender, pink, magenta, white, or yellowish-white; seeds 0.6-1.3 mm in diameter
 ⇒ Sisyrinchium
  4
Leaves plicate; plants from bulbs.
    7
Tepals unequal, the inner whorl < ½ as long as the outer whorl
 ⇒ Herbertia caerulea
    7
Tepals nearly equal in length.
      8
Style recurved, with 3 flat branches that are < 2 mm long
 ⇒ Calydorea caelestina
      8
Style straight, each of the 3 branches further divided into slender lobes
        9
Style branches divided for ca. ½ their length; style arms arching over or between the anthers; tepals dark purple
 ⇒ Alophia drummondii
        9
Style branches divided nearly to base; style arms extending horizontally between the anthers; tepals blue, white in the center
 ⇒ Nemastylis