Hypericum crux-andreae

Characteristics
Dicots
Hypericaceae
Hypericum
Hypericum crux-andreae (L.) Crantz
St. Andrews Cross; St. Peterswort
forb
7
**
Native AGCP (FACW), EMP (FACU) (NWPL) TN[SNR] KY[S2S3] (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
forb
Leaf Arrangement
opposite
Leaf Complexity
simple
Leaf Dissection
0
Leaf Duration
deciduous
Leaf Fragrance
No
Leaf Petiole Type
sessile
Leaf Type
broadleaf
Leaf Venation
pinnate
Leaflet Margins
entire
Leaflet Number
0
Moisture Requirements
Xeric; Mesic; Hydric
Natural Area Presence
FCFSP; ObedWSR; LULA; LRC; LGS; GILES; SGSNA; BE
Ovary Position
Superior
Overall Flower Symmetry
Actinomorphic
Parent Rock
Chert; Sandstone
Perianth Present
Yes
Placentation Type
Parietal
Soil Composition
Mineral
Soil pH
Acidic; Circumneutral
Unconsolidated Rock
Yes
Unconsolidated Size Class
Sand; Silt
Woody Herbaceous
Herbaceous
View details of Herbarium specimens
** Not applicable or data not available.
Classification
MALPIGHIALES
Hypericum
Hypericum crux-andreae (L.) Crantz - St. Andrews Cross; St. Peterswort
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
Hypericum crux-andreae - 13
Hypericum crux-andreae - Dwayne Estes View Full Size
Hypericum crux-andreae - 13
Hypericum crux-andreae - Dwayne Estes View Full Size
Hypericum crux-andreae - 13
Hypericum crux-andreae - Dwayne Estes View Full Size
Hypericum crux-andreae - 13
Hypericum crux-andreae - Dwayne Estes View Full Size
Hypericum crux-andreae - 21
Hypericum crux-andreae - Tara Littlefield View Full Size
Hypericum crux-andreae - 21
Hypericum crux-andreae - Tara Littlefield View Full Size
Hypericum crux-andreae - 21
Hypericum crux-andreae - Tara Littlefield View Full Size
Hypericum crux-andreae - 21
Hypericum crux-andreae - Tara Littlefield View Full Size
Hypericum crux-andreae - 19
Hypericum crux-andreae - Theo Witsell View Full Size
Hypericum crux-andreae - 19
Hypericum crux-andreae - Theo Witsell View Full Size