Native Plants

Plant Database

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Owens, PAT

Rhynchospora nivea

Rhynchospora nivea Boeckeler

Showy Whitetop

Cyperaceae (Sedge Family)

Synonym(s): Dichromena nivea

USDA Symbol: RHNI2

USDA Native Status: L48 (N)

From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Venation: Parallel
Fruit Type: Achene
Size Notes: Up to about 16 inches tall.

Bloom Information

Bloom Color: White
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Flowers inconspicuous. Bloom color refers to spikelets. Bloom time refers to fruiting period.

Distribution

USA: AR , OK , TX

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FACW				FACW	FACW

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Nueces River Authority - Uvalde, TX

Wildflower Center Seed Bank

LBJWC-CW-1 Collected 2005-06-25 in Mason County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Rhynchospora nivea in USDA Plants
FNA: Find Rhynchospora nivea in the Flora of North America (if available)
Google: Search Google for Rhynchospora nivea

Metadata

Record Modified: 2023-03-29
Research By: TWC Staff

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