Steinchisma hians

Family (Traditional)Poaceae
Species:Steinchisma hians (Ell.) Nash
Common NameGaping Grass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: March; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sporangium Arrangement: N/A
C value 6
StatusNative; AGCP (OBL), EMP (FACW) (NWPL); TN[SNR] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the 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.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • 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


SynonymFull Citation
Aira incompleta Aira incompleta Bosc ex Steud.
Panicum hians var. pallescens Panicum hians var. pallescens Döll
Panicum jejunum Panicum jejunum Trin.
Panicum megapotamicum Panicum megapotamicum Spreng.
Panicum milioides Panicum milioides Nees
Panicum milioides var. filifolium Panicum milioides var. filifolium R.A. Palacios
Panicum oblongiflorum Panicum oblongiflorum Desv.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Coffee (TN), Greene (TN), Hardin (TN), Rhea (TN), Warren (TN)

Herbaria represented by specimen data listed below: APSC, TENN

Range of years during which specimens were collected: 2019 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
APSC0107038 Coffee Tennessee
Steinchisma hians
TENN-V-0023610 Rhea Tennessee
Steinchisma hians
TENN-V-0023609 Hardin Tennessee
Steinchisma hians
APSC0070145 Coffee Tennessee
Steinchisma hians
TENN-V-0245287 Coffee Tennessee
Steinchisma hians
APSC0116955 Coffee Tennessee
Steinchisma hians
TENN-V-0023608 Greene Tennessee
Steinchisma hians
APSC0116787 Warren Tennessee 12 Oct 2019 Claire Ciafre
Steinchisma hians
First Page Previous Page Next Page Last Page
Records per Page:

Plant Photos

Steinchisma hians - Theo Witsell
Steinchisma hians - Theo Witsell