It probably descends from the eastern Mediterranean autumn-flowering Crocus cartwrightianus, which is also called”wild saffron” and originated in Crete or Central Asia. C. thomasii and C. pallasii are other potential sources. As a genetically monomorphic clone, it gradually propagated throughout much of Eurasia.
It’s a sterile triploid form, meaning that three homologous sets of chromosomes constitute each specimen’s genetic match; C. sativus bears eight chromosomal bodies per pair, which makes for 24 in total. Being sterile, the purple blossoms of C. sativus Don’t produce viable seeds; breeding hinges on human help: clusters of corms, Underground, bulb-like, starch-storing organs, must be dug up, divided, and replanted. A corm survives for a single season, producing via this vegetative branch up to ten “cormlets” that can grow into new plants in the next year. The streamlined corms are small, brown globules that can measure as large as 5 cm (2 in) in diameter, have a flat base, and are shrouded in a dense mat of parallel fibers; this jacket is known as the”corm tunic”.
The plant sprouts 5–11 white and non-photosynthetic leaves called cataphylls. These membrane-like structures cover and shield 5 to 11 true leaves as They bud and develop on the crocus flower. The latter are lean, Directly, and blade-like green foliage leaves, which can be 1–3 mm (0.04–0.12 in), in diameter, that either expand after the blossoms have Opened (“hysteranthous”) or do this concurrently with their blooming C. sativus cataphylls are supposed by some to Manifest before flowering when the plant is irrigated relatively early Bear bracteoles, or specialised leaves, that sprout from the flower stems; the latter are called pedicels. After estimating In spring, the plant sends up its true leaves, each up to 40 cm (16 in) in length. Released their seeds, do its brightly colored blossoms develop; they Include a light pastel shade of lilac into a darker and more striated Upon flowering, the Plants are 20–30 cm (8–12 in) in height and keep up to four flowers. A Three-pronged styles 25–30 mm (1.0–1.2 in) in length, emerges from every flower. Each prong terminates with a vivid reddish blot, which is the distal end of a carpel.