Geranium psilostemon

Geranium armenum, Boiss. (G. backhousianum, Regel?). About 2 ½ ft. high, the lower part of the st. thickened and almost woody: lvs. radical, upright, orbicular, with 5 deep lobes: fls. about 1 ½ in. across, inclining to a dark crimson; petals dark spotted near the base, obovate, often with the tips a little recurved. All season at irregular intervals. Armenia. R.H. 1891: 350.— A very vigorous and floriferous species. Sometimes growing 4 ft. high.