Completed Atlas Pages

Dichanthelium commutatum (Schult.) Gould var. ashei (Pearson ex Ashe) Mohlebr. - Coastal Variable Rosette Grass

Order: Poales 

Family: Poaceae 

Dichanthelium commutatum (Schult.) Gould var. ashei (Peason ex Ashe) Mohlebr.dichanthelium commutatum var ashei

Synonomny: Panicum ashei Peason ex Ashe; Panicum commutatum Schult. var. ashei (Pearson ex Ashe) Fernald

Lower Taxanone 

Origin: Native 

Habit: Perennial, rosette forming grass 

Habitat: Dry sandy soils; Open dry road edges, fields and sparsely canopied upland woodlands 

Range: Coastal Plain – OC, IC 

Frequency: Common 

Rank/Status: S5/G5 

Wetland Status: FACU 

Flowering & Reproduction: Early Summer, June-early July, vernal panicles, autumnal panicles late July-September; spikelets mature within month of pollination 

Comments: The Coastal Variable rosette panic grass is species found in the mixed oak and oak pine forests of New Jersey Inner and Outer Coastal Plain.  It is also a more diminutive specimen of the species, with thin (<2mm) culine internodes and broad leaf blades.  Often found with Dichanthelium dichotomum, Danthonia spicata, Carex albicans var. emmonsii and other upland acid loving herbaceous plants.

Specimen: Clayton Borough Gloucester Co. , J. Arsenault, #2266, open, dry old field south of Carpenter Avenue, Glassboro Fish and Wildlife Management Area, July 12, 2010. 

Current distribution map reflects author, Chrysler herbarium specimens and Mary Hough, 1983.  JRA, 10/2013



Comments are closed.