Pluchea camphorata
A native Asteraceae wetland herb of the eastern and central United States, typically 50–200 cm tall, with rose-purplish flower heads arranged in paniculiform clusters and a strong camphoric odor.
Common Names
Camphorweed, Camphor Pluchea, Plowman's-Wort, Marsh Fleabane
Summary
Pluchea camphorata, commonly camphor pluchea or camphor weed, is an Asteraceae herb native to wetlands of the eastern and southern United States. It is an annual or short‑lived perennial reaching about 50–200 cm in height, with elliptic to oblong leaves and paniculiform inflorescences bearing pink to rose‑purple disk florets and no ray florets. Flowering occurs August–October, with year‑round blooming possible in the south; when bruised, the plant emits a strong camphor‑like, fetid odor.
Habitat includes swamps, bottomland channels, flatwoods, marshes, streamsides, and other wet or moist freshwater sites at 0–30 m elevation, with FACW wetland status. Distribution is widespread in the eastern and southern United States, and the species commonly coexists with pin oak, buttonbush, swamp cottonwood; distinguishing features include inner phyllaries that are thin, nearly translucent, and longer than the outer ones.
Lifecycle
Annual and Perennial
Height
19.5-79 inches
Hardiness Zones
Zones not specified in sources
Sunlight Requirements
Ideally full Sun. Tolerates Partial Shade to Full Sun.
Soil Type
Moist to wet soils (wetlands, marshes, bottomlands)
Soil Drainage
Wet, poorly drained soils.
Soil pH
0-7, Slightly acidic soil (pH below 7)
Bloom Color
Pink to Purple
Bloom Time
Fall (August–October)
Foliage Color
Unknown
Leaf Lifecycle
Other
Growth Rate
Fast
Seasons of Interest
Summer and Fall
Propagation Methods
Seeds
Attracts Wildlife
Attracts Monarchs and Swallowtail butterflies, no information on attraction of bees, hummingbirds, other pollinators, or birds
Taxonomy
- Taxonomic Rank
- Species
- Author
- DC.
- Publication
- Prodr. [A. P. de Candolle] 5: 452. 1836 [1-10 Oct 1836]
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Asterales
- Family
- Asteraceae
- Subfamily
- Asteroideae
- Tribe
- Inuleae
- Genus
- Pluchea
Synonyms
Gynema dentata Pluchea camphorata var. camphorata Conyza foetida Conyza marilandica Gynema balsamica Gynema viscida Pluchea marilandica Conyza camphorata