Cherries (Prunus)

..... lvs oblanceolate lanceolate elliptical oblong to broadly ovate subrotund
20+ fls; lvs to 10-12cm; ..... ..... ..... ..... .....
pets around 4mm ..... ..... black cherry (3.serotina) fls in clusters; a weed tree chokecherry (4.virginiana) lvs finely & sharply toothed; wide variety of habitats .....
pets 6-10mm ..... ..... ..... European bird cherry (5.padus = Gk name of a wild cherry) lvs 10cm; occ Eurp escape .....
around 12 fls ..... ..... ..... ..... .....
fl clusters bractless or nearly so sand cherry (6.pumila = dwarf) bird cherry (7.pensylvanica) branches reddish- brown; pets 1/4" long; lvs 12cm long; fr red; dry or moist woods & forest clearings; abudnant after fires ..... ..... .....
fl clusters bracted; raceme short ..... ..... ..... mahaleb cherry (8.mahaleb) broadly ovate to orbicular; 7cm; occ Eurp escape .....
infls umbel-like:

pets 5-7mm

 ..... ..... ..... ground cherry (11.fruticosa = shrubby) lvs oblong-obovate, 5cm long; occ. Eurasian escape .....
pets 9-15mm ..... ..... ..... sweet cherry (9.avium = of birds) lvs ovate-oblong to obovate, long hairy beneath, chiefly along main vein, 15cm long; Eruasian often escaped sour cherry (10.cerasus = cherry) lvs ovate-elliptic to obovate, 9cm long; occ escaped cultigen