Oreocarya  "humilis group"
after Higgins. 1971


[Oreocarya Home]

Taxa list of the humilis group
The humilis group (nutlets muricate, scar open, basally triangular):
     Oreocarya breviflora Osterh.  
     Oreocarya cana A. Nelson  
     Oreocarya fulvocanescens (S. Wats.) Greene [& vars.]
     Oreocarya jonesiana Payson  
     Oreocarya compacta (L.C. Higgins) R. B. Kelley  
     Oreocarya humilis (A. Gray) Greene [& subspp.] 
     Oreocarya propria A. Nelson & J.F. Macbr.  
     Oreocarya roosiorum (Munz) R.B. Kelley, Hasenstab, & M.G. Simpson
**=not treated by Higgins

Combined distribution of all species of the humilis group
 


Comparison of nutlet morphology of the species of the humilis group
(left=dorsal view; right=ventral view, all at same approximate scale; bars=1 mm)



Oreocarya cana
Oreocarya fulvocanescens
Oreocarya jonesiana








Oreocarya humilis
Oreocarya roosiorum


Distribution and nutlet morphology of species of the nubigena group
Oreocarya breviflora

Oreocarya cana
POM 117972

Oreocarya fulvocanescens
RSA 146119

Oreocarya jonesiana
L. Ripma 331

Oreocarya humilis
RSA 516990

Oreocarya humilis
L. Ripma 303

Oreocarya propria

Oreocarya roosiorum
RSA 346621

Maps of all species except O. howelliana, O. hypsophila, and O. ursina from: Kartesz, J.T., The Biota of North America Program (BONAP). 2012. North American Plant Atlas (http://www.bonap.org/MapSwitchboard.html).
Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2010. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)].
COLOR KEY: Dark green=present in state; Light green=present in county, not rare; Yellow=present in county, rare. Accessed 8 Dec 2012.