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Accession Data:

Trimezia steyermarkii R.C.Foster

  • Common Name: Yellow Walking Iris
  • Family: Iridaceae Juss.

  • Country of Origin: S. Mexico to NW. Venezuela

  • USDA Zone: 8-11

Accession Data:

  • Accession # 198500387
  • Source: Unknown
  • Provenance: was erroneously labelled Moraea bicolor, record updated after tentative ID from web. CMORSE 7OCT2010
  • Accession Date: 12-31-1985
  • Bench: 1117 - AFR:South Tanks E
    • Currently: active - healthy
    • Qty: 3 confirmed on 03-12-2025

Classification:

  • Division: Magnoliophyta
  • Class: Liliopsida
  • SubClass: monocots
  • Order: Asparagales
  • SubOrder:
  • Family: Iridaceae
  • SubFamily: Iridoideae
  • Tribe: Trimezieae
  • SubTribe:

Flowering Data:

This accession has been observed in bloom on:
YearJanFebMarAprMayJunJulAugSepOctNovDec
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007

References (internal):

  • EEB 3271 - Systematic Botany
  • EEB Greenhouse Holdings native to: Mexico Gulf / Mexico Southwest / Mexico Southeast / El Salvador / Guatemala / Honduras / Nicaragua / Panama / Venezuela / Colombia

References (external):

  1. WCSP (2015). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Accessed 17 February 2015
  2. The Plant List (2013). Version 1.1. Last accessed on Tuesday, March 08, 2016.
  3. Images 00,01 & 02 courtesy Stan Malcolm. Used with permission. Last accessed on Monday, March 21, 2016.

data regenerated on Mon, 14 Apr 2025 14:45:02 -0400 [bcm v4.0]

Images:

Trimezia steyermarkii

Additional images for this accession:

Click on thumbnails to enlarge

Current Accessions in the Iridaceae

  • Lapeirousia jacquinii

Subfamily Aristeoideae

  • Aristea ecklonii

Subfamily Crocoideae

  • Crocus sativus
  • Hesperantha coccinea
  • Ixia amethystina

Subfamily Crocoideae
Tribe Gladioleae

  • Gladiolus alatus
  • Gladiolus kamiesbergensis
  • Gladiolus murielae

Subfamily Crocoideae
Tribe Ixieae

  • Babiana blanda
  • Tritonia deusta

Subfamily Iridoideae
Tribe Irideae

  • Ferraria crispa
  • Iris germanica
  • Iris sibirica
  • Moraea vegeta

Subfamily Iridoideae
Tribe Sisyrinchieae

  • Libertia ixioides

Subfamily Iridoideae
Tribe Trimezieae

  • Neomarica gracilis
  • Trimezia steyermarkii

Subfamily Ixioideae
Tribe Freesieae

  • Freesia alba
  • Freesia fucata W/C
  • Freesia laxa
  • Freesia occidentalis
  • Freesia refracta W/C
  • Freesia unidentified

Subfamily Ixioideae
Tribe Ixieae

  • Dierama galpinii
  • Geissorhiza radians W/C

Subfamily Ixioideae
Tribe Watsonieae

  • Watsonia aletroides W/C
  • Watsonia sp.
W/C = Wild Collected
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days
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