Characteristics
Dicots
Eupatorium semiserratum DC.
Smallflower Thoroughwort
forb
5
**
Native
AGCP (FACW), EMP (FACW) (NWPL)
TN[SNR] KY[S1?] (State Rank)
G5 (Global Rank)
Anther Type
Basifixed
Armaments
No
Base Flower Color
White
Carpel Number/Pistil
1; 2
Duration
Perennial
Fruit Complexity
Simple
Fruit Dehiscence
No
Fruit Type
Cypsela
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
forb
Inflorescence Position
terminal
Inflorescence Types
head; corymbiform
Leaf Arrangement
alternate; opposite
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
sessile; subsessile
Leaf Type
broadleaf
Leaflet Margins
serrate
Leaflet Number
0
Moisture Requirements
Mesic; Hydric
Natural Area Presence
BE
Ovary Position
Inferior
Overall Flower Symmetry
Actinomorphic
Ovules per Carpel
1
Perianth Present
Yes
Petal Fusion
Yes
Petal Number
5
Pistil Complexity
Simple
Pistil Number
1
Placentation Type
Basal
Soil Composition
Mineral; Organic
Stamen Number
5
Unconsolidated Rock
Yes
Unconsolidated Size Class
Clay; Sand
Woody Herbaceous
Herbaceous
Classification
Species Distribution Map
This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.
Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.
Ecoregions
Southeastern Plains
-
Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau
Interior Plateau
-
Bluegrass Region
Nashville Basin
Pennyroyal Karst Plain
Western Highland Rim
Eastern Highland Rim
Interior River Valleys and Hills
-
Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
Synonyms
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Range of years during which specimens were collected:
Plant Photos
