bitter cherry (Prunus emarginata)

• Size: Grows to 50' tall and 18" in diameter.

• Fruit: Small, bright red, juicy fruit with a single large seed. Bitter to the taste (inedible).

• Twigs: Slender; reddish-brown. Spur shoots common on mature twigs.

• Bark: Thin; reddish-brown; tends to break and curl horizontally. Large horizontal lenticles on bark.

• Distribution: Bitter cherry grows on moist sites throughout most of the western states.
  

chokecherry (Prunus virginiana)

• Size: Large shrub or small tree growing to 30' tall.

• Fruit: Small, purple, juicy fruit with a single large seed.

• Twigs: Slender; reddish-brown; smooth. Spur shoots common on older twigs.

• Bark: Thin, broken; scaly. Lenticels not present.

• Distribution: Occurs throughout the West, but also spans Canada and the northern United States.
  

Klamath plum (Prunus subcordata)

• Size: Shrub or small tree growing to 25' tall.

• Fruit: Oblong; 1/2"-1" long; dark red or purple.

• Twigs: Slender; reddish-brown; conspicuous lenticles. Spur shoots often sharp.

• Bark: Grayish-brown; fissured and broken into plates; may be scaly; thin (1/4" thick).

• Distribution: Klamath plum likes drier climates than the cherries. It ranges from southern Oregon to central California.