Your search found 426 image(s) illustrating the term "spike." For a written explanation, click on "spike" in the Glossary.
PAGE 1 PAGE 2 PAGE 3 PAGE 4 PAGE 5 PAGE 6 PAGE 7 PAGE 8
To see larger pictures, click or hover over the thumbnails.
To go to the plant's detail page, click its name.
)
Annual Ragweed,
Ambrosia artemisiifolia
Male flowers in spikelike clusters that terminate stem and upper branches, per Wildflowers of Tennessee (Carman, 2005).
)
Annual Ragweed,
Ambrosia artemisiifolia
Female heads roundish, clustered in upper leaf axils below male spike, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
)
Slender Rattlesnake-root,
Nabalus autumnalis
Its narrow spikelike panicle distinguishes it from other Prenanthes, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).
)
Shortleaf Blazing-star,
Liatris tenuifolia
Flower heads in a dense long spikelike raceme, usually 5 flowers per head, per Wildflowers of the Sandhills Region (Sorrie, 2011).
)
Rough Blazing-star,
Liatris aspera
Inflorescence long & spikelike w many mostly sessile heads, 14-35 flowers ea, per Wildflowers of Tennessee (Carman, 2005).
)
Black Snakeroot,
Pterocaulon pycnostachyum
Heads in oblong, terminal spikes, per Weakley's Flora (2022).