Verbesina alternifolia (L.) Britton ex Kearney
Wingstem, yellow ironweed
Kingdom Plantae Plants, but not fungi, lichens, or algae
Subkingdom Tracheobionta Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division Magnoliophyta Flowering plants, also known as angiosperms
Class Magnoliopsida Dicotyledons—plants with two initial seed leaves
Subclass Asteridae A large class that encompasses asters
Order Asterales Flowering plants with a central disk flower and surrounding petals, like daisies
Family Asteraceae The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
Genus Verbesina Resembling the leaves of verbenas
Species alternifolia Alternate leaved
About plant names...
Wingstem, a member of the sprawling aster family, is a North American native plant.
Identification: Plants are 3-10′ (91-304 cm) in height, hairy,
with a four-winged stem . Leaves are alternate , narrowly elliptic ,
narrowly oval, or oval. They are 4-10″ (10-25 cm) in length, rough-textured, sessile or with a
short petiole ,
and usually toothed. Composite flowers are 1-2″ (2.5-5 cm) in diameter, composed of a dome- or
ball-shaped central disk ⅜-½″ (9.5-12 mm) around, and 2-10 ray flowers. Both the central disk and
the ray flowers are yellow; sometimes the ray flowers are not present. They bloom from August to October.
Online References:
Illinois Wildflowers
Missouriplants.com
Wildflowers of the United States
The Virginia Tech Weed Identification Guide
Discover Life
References:
Clemants, Steven; Gracie, Carol, Wildflowers in the Field and Forest , Oxford University Press, 2006 , p. 164
9/1/2013 · Trail Near James River, Midlothian, Virginia · ≈ 7 × 4½″ (16 × 11 cm)
6/29/2023 · Harpers Ferry National Historical Park, Harpers Ferry, West Virginia
9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 11 × 7″ (27 × 18 cm)
9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 17 × 12″ (44 × 29 cm)
9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 14 × 9″ (35 × 23 cm)
9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 9 × 14″ (23 × 35 cm)
Older scientific or horticultural names
Actinomeris alternifolia (L.) DC.
Ridan alternifolia (L.) Britton
Verbesina alternifolia description by Thomas H. Kent, last updated 11 Jul 2023.
© FloraFinder.org. All rights reserved.
8/31/2013 · Riverside Park, James River, Midlothian, Virginia · ≈ 12 × 8″ (31 × 21 cm)
9/1/2013 · Trail Near James River, Midlothian, Virginia · ≈ 6 × 9″ (15 × 22 cm)
9/1/2013 · Trail Near James River, Midlothian, Virginia · ≈ 10 × 7″ (25 × 16 cm)
9/14/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 12 × 17″ (29 × 44 cm)
9/1/2013 · Trail Near James River, Midlothian, Virginia · ≈ 11 × 7″ (28 × 18 cm)
6/29/2023 · Harpers Ferry National Historical Park, Harpers Ferry, West Virginia
9/1/2013 · Trail Near James River, Midlothian, Virginia · ≈ 9 × 6″ (23 × 16 cm)
Range:
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