Gladiolus × byzantinus

{{Short description|Species of plant}}{{Use dmy dates|date=June 2024}}

{{Speciesbox

| image = Gladiolus byzantinus RHu closeup.JPG

| image_caption = Close-up of flower

| image2 = Gladiolus byzantinus00.jpg

| image2_caption = A clump

| genus = Gladiolus

| species = × byzantinus

| authority = Mill.

| synonyms_ref =

| synonyms = {{Collapsible list|

• Gladiolus communis subsp. byzantinus {{small|(Mill.) Douin}}
• Gladiolus communis var. byzantinus {{small|(Mill.) Martyn}}
• Gladiolus × bornetii {{small|Ardoino}}
• Gladiolus × gawleri {{small|Jord.}}
• Gladiolus × littoralis {{small|Jord.}}
• Gladiolus × porrigens {{small|Jord.}}
• Gladiolus segetum subsp. bornetii {{small|(Ardoino) Bonnier & Layens}}
• Gladiolus segetum proles bornetii {{small|(Ardoino) Rouy}}
• Gladiolus segetum var. bornetii {{small|(Ardoino) P.Fourn.}}

}}}}

Gladiolus × byzantinus (syn. Gladiolus communis subsp. byzantinus), the eastern gladiolus, Byzantine gladiolus, or Byzantine sword-lily, is a naturally occurring hybrid species of flowering plant in the family Iridaceae.{{cite web |url=https://www.rhs.org.uk/plants/89297/gladiolus-communis-subsp-byzantinus/details |title=Gladiolus communis subsp. byzantinus |author= |date=2024 |website=Find a plant |publisher=The Royal Horticultural Society |access-date=29 June 2024 |quote=Synonyms; Gladiolus nanus 'Byzantinus', Gladiolus byzantinus … 32 suppliers }}{{cite web |url=https://gd.eppo.int/taxon/GLABY |title=Gladiolus communis subsp. byzantinus (GLABY) |author= |date=2024 |website=EPPO Global Database |publisher=European and Mediterranean Plant Protection Organization |access-date=30 June 2024 }} Its parents are Gladiolus dubius and Gladiolus italicus.{{cite journal |title=Synopsis du genre Gladiolus L. (Iridaceae) en France |date=2014 |last1=Tison |first1=Jean-Marc |last2=Girod |first2=Christophe |journal=Le Journal de Botanique |volume=68 |pages=69–75 |doi=10.3406/jobot.2014.1333 }} In spite of its scientific and common names, it is native to the western Mediterranean region, and it has been introduced to the British Isles, and to Tasmania.{{cite POWO |id=437331-1 |title=Gladiolus × byzantinus Mill. |access-date=29 June 2024 }} A perennial arising from a corm and reaching {{cvt|90|cm}}, it has gained the Royal Horticultural Society's Award of Garden Merit under its synonym Gladiolus communis subsp. byzantinus.

{{Gallery

|Gladiolus communis ssp byzantinus 01.JPG|Side view, with spikes and leaves

|Gladiolus communis fruit RHu 02.JPG|Fruit

|Nine types of gladioli (Gladiolus species); flowering stems. Wellcome V0044623.jpg|Botanical illustration; center

}}