This is the simple key I could build based on Hortus Third, Manual of Cultivated Plants this website and other sources. You may refine it if you like: Key to the commonly cultivated species of Crocosmia 1a. Perianth tube twice or more as long as lobes…………………………………………………………..(2) 1b. Perianth tube shorter or equalling lobes…………………………………………………………………(4) 2a. Inflorescence many-flowered, unbranched, one-sided………………………………………………C. masoniorum 2b. Inflorescence few-many flowered, branched……………………………………………………………(3) 3a. Inflorescence forking, 15-25 cm long; perianth bright orange-yellow, tinged ed……………C. pottsii 3b. Inflorescence much-branched, with often brush-like clusters of flowers……………………….C. paniculata 4a. Flowers orange yellow…………………………………………………………………………………………..C. aurea 4b. Flowers crimson to orange-crimson………………………………………………………………………..C. crocosmiiflora |
Crocosmia
Updated on December 24, 2024