Rock Garden Plants
Iris decora Wall.  
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FamilyIRIDACEAE
Genus speciesIris decora Wall. 
BibliographyPl. Asiat. Rar. 1: 77 (1830)
Native Rangesc. China to Pakistan and Himalaya
Primary BiomeTemperate
Habitatgrassland and rocks
Altitude2800-3100m
Descriptionroots tuberous, leaves linear, 10-35cm, floral stems sometimes ramose, spathes 3, green, lanceolate, 2-flowered, 3-6cm, outer tepals spreading, obovate, midst yellow
Size10-25cm
Colorviolet, pale blue
Bloomsummer
Ca
Typetuberous perennial
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in winter, barely covered, germ. 1-3 months, 13-16°C
division of tubers in late summer
SynonymsEvansia nepalensis (D.Don) Klatt
Iris decora var. leucantha X.D.Dong & Y.T.Zhao
Iris nepalensis D.Don
Iris nepalensis var. khasiana Baker
Iris sulcata Wall.
Iris yunnanensis H.Lév.
Junopsis decora (Wall.) Wern.Schulze
Junopsis yunnanensis (H.Lév.) M.B.Crespo & al.
Neubeckia decora (Wall.) Klatt
Neubeckia sulcata (Wall.) Klatt
Territory3 Asia-Temperate
     36 China (CHC China South-Central, CHT Tibet)
4 Asia-Tropical
     40 Indian Subcontinent (ASS Assam, EHM East Himalaya, NEP Nepal, PAK Pakistan, WHM West Himalaya)
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(c) 1990-2025 RNDr. Pavel Slabý