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Heterosperma pinnatum (Wingpetal)
Anderson, Wynn

Heterosperma pinnatum

Heterosperma pinnatum Cav.


Asteraceae (Aster Family)


USDA Symbol: HEPI2

USDA Native Status: L48 (N)


From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Root Type: Tap
Leaf Arrangement: Opposite
Leaf Complexity: Pinnate
Leaf Shape: Lanceolate
Leaf Pubescence: Glabrous
Leaf Margin: Entire
Leaf Apex: Acute
Fruit Type: Achene
Size Notes: 1040(70+) cm. (Webref 3).
Fruit: Cypselae are dimorphic, with outer ones typically winged and inner ones typically barbed.
Size Class: 0-1 ft. , 1-3 ft.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct
Bloom Notes: Capitulum small, typically with three pale-yellow to orangish ray flowers.


USA: AZ , CO , NM , TX
Native Distribution: Texas, Arizona, Colorado, New Mexico, Mexico, Central America, and South America.
Native Habitat: Igneous and calcareous soils; 9002500 m. (Webref 3).


Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. Johnston

Search More Titles in Bibliography

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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


Record Modified: 2021-02-25
Research By: WMWW

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