Iris prismatica - Unknown
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Internal ID UUID644027ba3a828378325039
Scientific name Iris prismatica
Authority Pursh
First published in Fl. Amer. Sept. 1: 30 (1814)

Description Top

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Iris prismatica, also known as the slender blue flag or cubeseed iris, is a plant species found in the southern and eastern United States and parts of Canada. This perennial herb spreads through rhizomes and can grow up to 80 cm tall. Its long and narrow leaves can reach up to 60 cm in length and it produces 2-3 blooms in May. The flowers are pale blue to blue-violet in color. This plant thrives in wet and swampy conditions and is considered threatened or endangered in several US states. It is also cold hardy, able to survive in USDA Zone 3.

Synonyms Top

Scientific name Authority First published in
Iris boltoniana Schult. Mant. 1: 308 (1822)
Iris gracilis Bigel. Fl. Boston. : 12 (1814)
Iris prismatica var. austrina Fernald Rhodora 49: 133 (1947)
Iris trigonocarpa A.Braun & C.D.Bouché Index Seminum (B, Berolinensis) 1853(App.): 17 (1853)
Iris sibirica var. trigonocarpa Baker Handb. Irid. 9 1892
Limniris prismatica (Pursh) Rodion. Bot. Zhurn. (Moscow & Leningrad) 92: 552 (2007)

Common names Top

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Language Common/alternative name
English slender blue iris
Persian زنبق دانهحبهای
Chinese 角柱鸢尾

Subspecies (abbr. subsp./ssp.) Top

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Forms (abbr. f.) Top

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Germination/Propagation Top

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Expose seeds to natural outdoor winter conditions for 3 months, then gradually increase light and temperature in the spring.
sow fresh or soak old seed; prechill 4 weeks or place outdoors over winter and bring indoors once germinated to avoid temperature shock; transplant at 4 leaves

Distribution (via POWO/KEW) Top

Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
  • Northern America
    • Northeastern U.S.A.
      • Connecticut
      • Maine
      • Massachusetts
      • New Hampshire
      • New Jersey
      • New York
      • Rhode Island
    • Southeastern U.S.A.
      • Alabama
      • Delaware
      • Georgia
      • Kentucky
      • Maryland
      • North Carolina
      • South Carolina
      • Tennessee
      • Virginia

Links to other databases Top

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Database ID/link to page
World Flora Online wfo-0000783747
Flora of Alabama 4313
Canadensys 6183
USDA Plants IRPR
Tropicos 16602139
KEW urn:lsid:ipni.org:names:438989-1
The Plant List kew-322255
Open Tree Of Life 266626
NCBI Taxonomy 34214
Nature Serve 2.150352
IUCN Red List 64315076
IPNI 438989-1
iNaturalist 164132
GBIF 5298650
Freebase /m/0_yk3w8
EOL 491651
USDA GRIN 20384
Wikipedia Iris_prismatica

Genomes (via NCBI) Top

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Scientific Literature Top

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Phytochemical Profile Top

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