Characteristics
Dicots
Hypericum densiflorum Pursh
Mountain St. Johnswort; Bushy St. Johnswort
shrub
9
**
Native
AGCP (FACW), EMP (FACW) (NWPL)
TN[SNR] (State Rank)
G5 (Global Rank)
Anther Type
Dorsifixed
Armaments
No
Base Flower Color
Yellow
Duration
Perennial
Fruit Dehiscence
Yes
Fruit Type
Capsule
Fruit Wet/Dry
Dry
General Ecology
Terrestrial
Growth Habit
shrub
Leaf Arrangement
opposite
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
petiolate; sessile; subsessile
Leaf Type
broadleaf
Leaf Venation
pinnate
Leaflet Margins
entire
Leaflet Number
0
Moisture Requirements
Mesic; Hydric
Natural Area Presence
BISO; NRG; GRSM; RCSP; TRG
Ovary Position
Superior
Overall Flower Symmetry
Actinomorphic
Parent Rock
Calcareous; Chert; Limestone; Sandstone
Perianth Present
Yes
Pistil Number
1
Placentation Type
Parietal
Soil Composition
Mineral; Organic
Soil pH
Acidic; Alkaline; Circumneutral
Stamen Number
>12
Unconsolidated Rock
Yes
Unconsolidated Size Class
Clay; Cobble; Gravel; Loam; Sand; Silt
Woody Herbaceous
Woody
Classification
MALPIGHIALES
Hypericum densiflorum Pursh - Mountain St. Johnswort; Bushy St. Johnswort
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
