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Xylorhiza wrightii (Big bend woodyaster)
Loughmiller, Campbell and Lynn

Xylorhiza wrightii

Xylorhiza wrightii (A. Gray) Greene

Big Bend Woodyaster, Terlingua Aster, Gyp Daisy, Gypsum Daisy, Big Bend Aster

Asteraceae (Aster Family)

Synonym(s): Aster wrightii, Machaeranthera wrightii, Townsendia wrightii


USDA Native Status: L48 (N)

The Gyp Daisy’s stems, woody near the base, are covered with sticky hairs. Leaves are widest near the tip and sometimes have spiny teeth. The flower heads, usually slightly cupped, are on long stems and have 20-30 lavender ray flowers about 3/4 inch long. Disc flowers are yellow (248).

The species name of this plant is for Charles Wright, 1811-1885, world-wide botanical collector but mainly in Texas (1837-1852), Cuba and his native Connecticut.


From the Image Gallery

16 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 20 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Blue , Purple
Bloom Time: Mar , Apr , May
Bloom Notes: Ray florets rarely white.


Native Distribution: West Texas south into Chihuahua


Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller

Search More Titles in Bibliography

Web Reference

Webref 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 resources

USDA: Find Xylorhiza wrightii in USDA Plants
FNA: Find Xylorhiza wrightii in the Flora of North America (if available)
Google: Search Google for Xylorhiza wrightii


Record Modified: 2023-01-27
Research By: TWC Staff

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