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Sisyrinchium langloisii Greene
Roadside Blue-eyed Grass, Dotted Blue-eyed Grass, Southern Blue-eyed Grass
Iridaceae (Iris Family)
Synonym(s): Sisyrinchium brayi, Sisyrinchium canbyi, Sisyrinchium colubriferum, Sisyrinchium helleri, Sisyrinchium pruinosum, Sisyrinchium varians
USDA Symbol: SILA5
USDA Native Status: L48 (N)
A member of the iris family (family Iridaceae) which consists of herbs growing from rhizomes, bulbs, or corms, with narrow basal leaves and showy clusters at the tips of long stalks. There are about 60 genera and 1,500 species, distributed in temperate and tropical regions. Among them, Iris, Freesia, Gladiolus, Bugle Lily, and Montbretia are popular ornamentals. Saffron dye is obtained from Crocus, and "essence of violets," used in perfumes, is extracted from the rhizomes of Iris.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Capsule
Size Notes: Up to about 1 foot tall.
Flower: Flowers 1/2 inch
Bloom InformationBloom Color: White , Yellow , Blue , Violet
Bloom Time: Mar , Apr , May
Bloom Notes: Pale blue to bluish violet or white, bases yellow.
DistributionUSA: AR , KS , LA , OK , TX
Native Habitat: Roadsides, Prairie, Plains, Meadows, Pastures, Savannas, Hillsides, Slopes
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay, Limestone-based
BenefitUse Ornamental: Perennial garden, Shortgrass meadow, Wildflower meadow
Conspicuous Flowers: yes
PropagationPropagation Material: Seeds
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Brackenridge Field Laboratory - Austin, TX
Herbarium Specimen(s)NPSOT 1023 Collected Apr 24, 1995 in Bexar County by Mike Fox
Wildflower Center Seed BankLBJWC-1288 Collected 2009-04-14 in Brazoria County by Lady Bird Johnson Wildflower Center
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
Search More Titles in Bibliography
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Sisyrinchium langloisii in USDA Plants
FNA: Find Sisyrinchium langloisii in the Flora of North America (if available)
Google: Search Google for Sisyrinchium langloisii
MetadataRecord Modified: 2023-02-27
Research By: TWC Staff