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Crocus (/ ˈ k r oʊ k ə s /; plural: crocuses or croci) is a genus of seasonal flowering plants in the family Iridaceae (iris family) comprising about 100 species of perennials growing from corms. They are low growing plants, whose flower stems remain underground, that bear relatively large white, yellow, orange or purple flowers and then ...
Androstephium coeruleum, commonly called blue funnel-lily, is a herbaceous perennial growing from corms. It has light blue to violet purple flowers and grows up to 35 cm tall. It is found growing in prairies and on grassy slopes in its native range within Texas, Oklahoma and Kansas of the United States. [4] [5] It disperses its seed by wind.
Brodiaea species are herbaceous perennials, growing from corms. Between one and six narrow leaves are produced from the corm. The bare flowering stem carries an umbel of flowers. Individual flowers have six blue to purple tepals, joined at the base to form a tube with free lobes at the mouth. The outer three tepal lobes are narrower than the ...
Colchicum (/ ˈ k ɒ l tʃ ɪ k əm / KOL-chik-əm or / ˈ k ɒ l k ɪ k əm / KOL-kik-əm) [2] is a genus of perennial flowering plants containing around 160 species which grow from bulb-like corms. It is a member of the botanical family Colchicaceae , and is native to West Asia , Europe , parts of the Mediterranean coast, down the East ...
The plant blooms annually around the beginning of the rainy season. The flower bud emerges from the corm as a purple shoot, and later blooms as a purple inflorescence. The pistillate (female) and staminate (male) flowers are on the same plant and are crowded in cylindrical masses as an inflorescence. The top part is responsible for secreting ...
It is a perennial plant, growing from a large corm up to 25 cm (10 in) in diameter. The single leaf is up to 1.3 m (4 ft) across, bipinnate , and divided into numerous leaflets. [ 4 ] The flowers are produced on a spathe enclosed by a dark purple spadix up to 55 cm (22 in) long.
They can be evergreen or deciduous perennials that grow from basal underground corms. The alternate leaves are cauline (stem-borne) and ensiform (sword-shaped). The blades are parallel-veined. The margin is entire. The corms form in vertical chains, with the youngest at the top, and oldest and largest buried most deeply in the soil.
The large-flowered types require moisture during the growing season, and must be individually staked as soon as the sword-shaped flower heads appear. The leaves must be allowed to die down naturally before lifting and storing the corms. Plants are propagated either from small cormlets produced as offsets by the parent corms, or from seed. In ...