. The Indiana weed book. Weeds. 174 THE INDIANA WEED BOOK. 142. Verbesina ai/ternifolia L. Winged Iron-weed. Yellow Iron-weed. Actinomeris. (P. N. 2.) Stem slender, simple or branched near the top, winged by the down- ward extensions of the leaf margins, 4-9 feet high; leaves alternate or the lower opposite, oblong or lanceolate, pointed, toothed or entire, rough- ish both sides, sessile or short-stalked. Heads numerous in an open terminal cluster, 1-2 inches broad; receptacle convex, chaffy; involucre of a few lanceolate, deflexed bracts; disk globose, yellow; rays 2-10, yellow, drooping, 1 i
. The Indiana weed book. Weeds. 174 THE INDIANA WEED BOOK. 142. Verbesina ai/ternifolia L. Winged Iron-weed. Yellow Iron-weed. Actinomeris. (P. N. 2.) Stem slender, simple or branched near the top, winged by the down- ward extensions of the leaf margins, 4-9 feet high; leaves alternate or the lower opposite, oblong or lanceolate, pointed, toothed or entire, rough- ish both sides, sessile or short-stalked. Heads numerous in an open terminal cluster, 1-2 inches broad; receptacle convex, chaffy; involucre of a few lanceolate, deflexed bracts; disk globose, yellow; rays 2-10, yellow, drooping, 1 inch long. Achenes wedge-shaped, flattened, broadly winged; pappus of 2 diverging awns. (Fig. 133.) Common in the rich moist soil of lowland pastures and along the borders of streams. Easily known by its winged stem, pale yellow rays, and loose arrangement of the aehenes in the ripening heads. Spreading both by seeds and perennial roots, it often forms dense patches. The 30 or more loosely bunched disk- flowers are larger than those of most Composite and have an odor neither very strong nor pleasing, resembling somewhat that of the sunflower. It furnishes the yellow, the iron-weed the purple, and the everlasting the creamy ,., white of a trinity of color which en- Fig. 133. Winged fruit with awns; disk . and ray-Bowers on right. (After Britton livens in August the lowlands of mam and Brown.) ° •' a woodland pasture. Remedies: same as for 143. Bidens i^evis L. Larger Bur-marigold. Brook Sunflower. (A. N. 2.) Stem erect or ascending, glabrous, branched, 1-2 feet high; leaves opposite, sessile, lanceolate, toothed, pointed, sometimes united at base about the stem. Heads numerous, short-stalked, erect, 1-2 inches broad; involucre cup-shaped, its outer bracts linear or oblong, longer than the ovate inner ones; rays 8-10, showy, golden yellow, 1 inch long. Achenes wedge-shaped, both their margins and the 2-4 slender, stiff awns of pap- pus downwardly barbed.
Size: 1401px × 1782px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1912
