Variety traits

Hippeastrum flower diameter

Hippeastrum Herb.

Hippeastrum flower diameter is a key quantitative morphological trait used for varietal identification and assessment of ornamental value, measured in centimeters.

In the reference 35 varieties crop Amaryllis, where this is mentioned in the description.

Flower diameter values vary depending on the cultivar group: miniature varieties measure about 8–12 cm, medium- and large-flowered varieties measure 15–20 cm, and the largest hybrids can reach 25 cm or more. Measurement is performed using a ruler and is a mandatory parameter for DUS testing.

Flower size is directly dependent on the bulb's potential, which is determined by nutrient availability, light, and growing conditions. Under adverse factors, the diameter of subsequent generations decreases, and varieties with large inflorescences require an assessment of the hollow flower stalk's resistance to weight load.

General information about the subject — on the page Flower diameter.

Sources8

Varieties of Amaryllis mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.