Hypericum crux-andreae

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Hypericum crux-andreae
Hpyericum crux-andre MSmith 2015.jpg
Photo taken by Michelle Smith
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida – Dicotyledons
Order: Theales
Family: Clusiaceae ⁄ Guttiferae
Genus: Hypericum
Species: H. crux-andreae
Binomial name
Hypericum crux-andreae
(L.) Crantz
HYPE CRUX dist.jpg
Natural range of Hypericum crux-andreae from USDA NRCS Plants Database.

Common name: St. Peterswort

Taxonomic notes

Description

Hypericum crux-andreae is a perennial shrub.

Distribution

Ecology

Habitat

It is found in longleaf pine-wiregrass flatwoods[1] and titi-cypress swamp communities in Florida.[2] It can also occur in some disturbed habitat like fallow fields (FSU Herbarium). Associated species include Andropogon, Pinus palutris, Aristida stricta, Cyrilla racemiflora, Salix humilis, Cephalanthus occidentalis, Saccharum sp., Dichanthelium scoparium, Smilax rotundifolia, Proserpinaca pectinata, and Hypericum brachyphyllum (FSU Herbarium).

Phenology

Flowering has been observed in August through October, and fruiting has been observed in October (FSU Herbarium).

Seed dispersal

Seed bank and germination

Several short-lived perennial forbs also have a seed bank persistent for at least several years.[3]

Fire ecology

This species has been found in habitat that burns frequently (FSU Herbarium).

Pollination

Use by animals

Diseases and parasites

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Loran C. Anderson, Wilson Baker, Andre F. Clewell, M. Davis, R. F. Doren, Robert K. Godfrey, Ann F. Johnson, J. M. Kane, R. A. Norris, and Cecil R. Slaughter. States and Counties: Florida: Duval, Franklin, Jackson, Leon, Liberty, and Wakulla. Georgia: Baker, Grady, and Thomas. Texas: Hardin.

  1. Brockway, D. G. and C. E. Lewis (1997). "Long-term effects of dormant-season prescribed fire on plant community diversity, structure and productivity in a longleaf pine wiregrass ecosystem." Forest Ecology and Management 96: 167-183.
  2. Drewa, P., W. Platt, et al. (2002). "Community Structure along Elevation Gradients in Headwater Regions of Longleaf Pine Savannas." Plant Ecology 160(1): 61-78.
  3. Platt, W. J., S. M. Carr, et al. (2006). "Pine savanna overstorey influences on ground-cover biodiversity." Applied Vegetation Science 9: 37-50.