No images found for this plant ID: 13541.
Ensure images are uploaded to the Media Library and tagged with "13541" in the "plant_image_tag" taxonomy.
Texan flatsedge
Scientific Name: Cyperus polystachyos var. texensis
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Annual, Perennial
Other Names: NY (coast flatsedge)
Texan Flatsedge: A Detailed Look
This page provides information on several plants commonly referred to as "flatsedge," with a focus on those found in Texas. Flatsedges belong to the Cyperus genus and the Cyperaceae (Sedge) family.
Considerations for Pets and Children
Some sources indicate a "No" rating regarding the safety of Texan Flatsedge for children, dogs, and cats. However, this information is presented without further context. It is important to conduct thorough research and consult with experts to determine the specific risks involved. Always exercise caution when pets or children are near any plant.
Scientific Names and Common Names
- Texan Flatsedge: Cyperus polystachyos Rottb. var. texensis (Torr.) Fernald
- Texas Flatsedge: Cyperus seslerioides Kunth
- Umbrella Flatsedge: Cyperus diandrus Torr.
- Other common names encountered in the text: Many-spike Flatsedge, Texas Sedge, Rusty Flatsedge, Fragrant Flatsedge
Taxonomy and Nomenclature
- Family: Cyperaceae (Sedge Family)
- Rank (for Texan Flatsedge): Variety
- Synonyms: The text mentions that the USDA symbol for Umbrella Flatsedge is CYDI3. The USDA symbol for Texas Flatsedge is CYSE2.
- Alternative Scientific Names: Cyperus diandrus Torr. (Umbrella flatsedge), Cyperus seslerioides Kunth (Texas flatsedge)
Distribution and Habitat
Texan flatsedge (Cyperus polystachyos var. texensis) is, as its name suggests, found in Texas. Texas Flatsedge (Cyperus seslerioides) is native to Texas, as well. The text also mentions its presence in coastal prairies of Texas and Louisiana. Some flatsedges (such as rice flatsedge) are found from Florida eastward to Texas and northward.
Ecological Role
Rice flatsedge is noted as a weed in various settings including container ornamentals, nurseries, landscapes, and turf. Green flatsedge is mentioned in the context of herbicide applications for its control, suggesting it can be considered a problematic plant in certain situations.
Morphological Characteristics
- Texas flatsedge (Cyperus seslerioides) is described as a graminoid and a perennial plant.
- Texas Sedge is a summer annual grassy weed, often occurring in sandy soils.
- One reference indicated that Texan Flatsedge requires full sunlight.
Interactions with Other Organisms
The text mentions flatsedges as hosts for seasonal allergies in Travis County, Texas. They are also referenced as weeds that compete with desired plants, leading to the use of herbicides for control.
Further Information
- USDA-NRCS PLANTS Database
- TAMU Herbarium - Department of Biology, Texas A&M University
- Dave's Garden