1 "Inflorescence a single terminal flower" 2 1 "Inflorescence of 2-many flowers" 4 2 "Ovary superior" Isophysis 2 "Ovary inferior" 3 3 "Leaves flat, equitant, in fans; flower creamy white" Libertia 3 "Leaves filiform, compressed-cruciform in section; flowers pale to bright pink" Romulea 4 "Inflorescence cymose, flowers 2-several in each spathe, usually emerging successively, fugacious" 5 4 "Inflorescence spicate or a panicle of spikes; flowers solitary in each spathe, not fugacious" 10 5 "Style-branches petaloid, arched over outer perianth segments and hooded over anthers; stigmas transverse" Iris 5 "Style-branches not petaloid, anthers exposed; stigmas not transverse" 6 6 "Basal leaf solitary, bifacial" Homeria 6 "Basal leaves few to many, equitant, unifacial" 7 7 "Perianth segments very unequal, inner segments vestigial, flower appearing to have 3 segments only" Patersonia 7 "Perianth segments equal or sub equal" 8 8 "Flowers zygomorphic, 2 stamens fertile, third reduced to a staminode" Diplarrena 8 "Flowers actinomorphic, 3 stamens fertile" 9 9 "Scape terete; flowers creamy white; staminal filaments shortly united at the base" Libertia 9 "Scape flattened, more-or-less winged; flowers white, blue-purple in the throat, nerves purple; staminal filaments united for most of their length" Sisyrinchium 10 "Style-branches bifid; stigmas 6" 11 10 "Style-branches simple; stigmas 3" 12 11 "Plants robust, 0.5-2.0 m high; stems erect; flowers many" Watsonia 11 "Plants slender, stems up to 40 cm high, flexed horizontally at the lowest flower; flowers 2-7" Freesia 12 "Flowers usually erect, actinomorphic to slightly zygomorphic; perianth tube more-or-less straight" 13 12 "Flowers more-or-less patent, zygomorphic; perianth tube curved" 16 13 "Plant rhizomatous and cormose; style-branches c. 2 cm long" Schizostylis 13 "Plant without rhizomes; style-branches up to 1 cm long" 14 14 "Stamens arranged equally around the style; perianth tube narrowly cylindrical, exserted from the spathe" Ixia 14 "Stamens arranged on one side of the style; perianth tube widened above, not or hardly exserted from the spathe" 15 15 "Cormils produced in most leaf axils; spathe bracts brown-streaked, laciniate; perianth yellow or yellow and purple" Sparaxis 15 "Cormils not produced; spathe-bracts truncate, shortly dentate; perianth fawn-cream" Tritonia 16 "Plants rhizomatous and cormose; inflorescence distichous, axis more-or-less zig-zag; flowers orange-red" Crocosmia 16 "Plants without rhizomes; inflorescence secund or distichous; flowers white, cream, yellowish or purple" 17 17 "Spathe-bracts 8-13 mm long, scarious, dark brown; perianth lobes subequal, cream, dark-nerved" Tritonia 17 "Spathe-bracts 4-7 cm long, green, keeled; perianth-lobes subequal to unequal and bilabiate" Gladiolus