1 "Style branches petal-like, conspicuous, opposite stamens; outer perianth parts (sepals) unlike inner (petals); stamens free" Iris 1 "Style branches thread-like, not conspicuous, generally alternate stamens; outer perianth parts +- like inner; stamens free or united at base" 2 2 "Flowers in umbel-like cymes" 3 2 "Flowers not in umbel-like cymes" 5 3 "Perianth parts not alike, outer sepal-like, white adaxially, +- green abaxially, inner petal-like, generally white" "Libertia formosa" 3 "Perianth parts +- alike, red-purple to magenta or +- blue, violet, yellow, occasionally pink or white" 4 4 "Stem not winged; perianth red-purple to magenta, occasionally pink or white, generally 18--33 mm; filaments fused +- in basal 1/2" "Olsynium {Olsynium douglasii var. douglasii}" 4 "Stem winged; perianth red-purple, +- blue, violet, yellow (white), generally < 18 mm; filaments +- completely free to +- completely fused" Sisyrinchium 5 "Flowers 1 on peduncles; plant generally < 10 cm; leaves attached below ground, +- round to widely elliptic in ×-section, generally 4-grooved" "Romulea {Romulea rosea var. australis}" 5 "Flowers in spikes or panicles of spikes; plant generally > 20 cm; leaves attached below and above ground, flat with prominent midvein or cross-shaped in ×-section" 6 6 "Style branches divided +- to middle" 7 6 "Style branches entire or notched at tip" 8 7 "Flower stem bent +- 90° below lowest flower, spike 1-ranked; leaf axils without bulblets after flower" "Freesia leichtlinii subsp. alba" 7 "Flower stem erect, spike 2-ranked; leaf axils with bulblets after flower or not" Watsonia 8 "Flower bracts membranous or papery and crinkled, outer 3-lobed to -toothed or often cut into lance-linear segments in upper 1/2 or at tip, inner 2-lobed or -toothed" 9 8 "Flower bracts green, soft or leathery, outer entire, inner notched at tip" 10 9 "Flower bracts membranous, outer 3-lobed to -toothed; stamens attached at mouth" "Ixia maculata" 9 "Flower bracts papery, crinkled, outer often cut into lance-linear segments in upper 1/2 or at tip; stamens attached in tube" Sparaxis 10 "Perianth tube abruptly enlarged above base, lobes unequal, upper 1 > lower 5; inflorescence generally an erect spike (panicle)" "Chasmanthe {Chasmanthe floribunda}" 10 "Perianth tube not abruptly enlarged above base, lobes subequal; inflorescence generally an arched spike or panicle of spikes" "Crocosmia {Crocosmia ×crocosmiiflora}"