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Heterosperma pinnatum
Heterosperma pinnatum Cav.
Wingpetal
Asteraceae (Aster Family)
Synonym(s):
USDA Symbol: HEPI2
USDA Native Status: L48 (N)
Plant Characteristics
Duration: AnnualHabit: Herb
Root Type: Tap
Leaf Arrangement: Opposite
Leaf Complexity: Pinnate
Leaf Shape: Lanceolate
Leaf Pubescence: Glabrous
Leaf Margin: Entire
Leaf Apex: Acute
Size Notes: 10-40(-70+) cm. (Webref 3).
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene. Cypselae are dimorphic, with outer ones typically winged and inner ones typically barbed.
Bloom Information
Bloom Color: Orange , YellowBloom Time: Jun , Jul , Aug , Sep , Oct
Bloom Notes: Capitulum small, typically with three pale-yellow to orangish ray flowers.
Distribution
USA: AZ , CO , NM , TXNative Distribution: Texas, Arizona, Colorado, New Mexico, Mexico, Central America, and South America.
Native Habitat: Igneous and calcareous soils; 900–2500 m. (Webref 3).
Bibliography
Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. JohnstonSearch 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 PlantsFNA: Find Heterosperma pinnatum in the Flora of North America (if available)
Google: Search Google for Heterosperma pinnatum
Metadata
Record Modified: 2021-02-25Research By: WMWW