- To +3m tall, branching, herbaceous, erect, striate, pubescent.
- Alternate, typically glabrous above, densely pubescent to lanate below, mostly entire with spined margins, sometimes lobed, to +30cm long, +10cm wide, sessile or short-petiolate, typically lanceolate, oblong, or elliptic, reduced towards apex.
Abaxial surface of leaf.
- Single flower heads terminating stems.
- To 3.5cm tall, +3cm wide, subglobose to vase-shaped. Phyllaries imbricate, appressed, spine (bristle) tipped, typically with a lighter midrib.
Involucre with the subtending bracts.
Involucre with the subtending bracts removed.
- Corolla pink to rose, to +30mm long, tubular, 5-lobed. Style well exserted. Achenes to 6mm long, 2mm wide. Pappus of numerous plumose bristles.
- July - October.
- Dry woodlands, slopes, thickets, disturbed sites, waste ground, roadsides, railroads.
- Native to U.S.
- This is the tallest of the plants in this genus in Missouri (
means "the tallest"). It is very common throughout the state except for the extreme southeastern corner. It is a common roadside plant in the Ozarks.
Steyermark lists a couple of forms for the species. The plant pictured above is form
. This plant has the typical rose-pink corolla. Form
has a white corolla and is listed in the "White flowers alternate" section of this website. The latter is much less common.
Photographs taken in the Ozark Scenic Riverways, Shannon County, MO., 8-9-03.