Tetragonotheca texana Engelm. & A. Gray ex A. Gray
Squarebud Daisy, Nerve-ray, Square-bud Daisy
Asteraceae (Aster Family)
USDA Symbol: TETE2
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 4 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: Yellow , Brown
Bloom Time: Apr , May , Jun , Jul , Aug , Sep
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Conditions Comments: This upright, perennial branching plant reaches a height of about 18 inches. It produces large, toothed leaves, square buds, and yellow flowers.
BenefitConspicuous Flowers: yes
Fragrant Flowers: yes
Nectar Source: yes
Deer Resistant: Minimal
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
Brackenridge Field Laboratory - Austin, TX
Patsy Glenn Refuge, c/o Wimberley Birding Society - Wimberley, TX
Herbarium Specimen(s)NPSOT 0261 Collected Aug. 19, 1992 in Comal County by Mary Beth White
Wildflower Center Seed BankLBJWC-650 Collected 2008-07-23 in Travis County by Lady Bird Johnson Wildflower Center
LBJWC-50 Collected 2006-08-21 in Travis County by Lady Bird Johnson Wildflower Center
BibliographyBibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.
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 Tetragonotheca texana in USDA Plants
FNA: Find Tetragonotheca texana in the Flora of North America (if available)
Google: Search Google for Tetragonotheca texana
MetadataRecord Modified: 2023-01-27
Research By: JMS