Bailey & Bailey: Woody Plants of National Parks 



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2. Saskatoon Serviceberry (Amelanchier alnifolia Nutt.), fig. 56. — 

 Erect shrub 2 to 6 feet high; bark reddish-brown or the older grayish; branch- 

 lets hairy; leaves elliptic to roundish, % to ly2 inches long, dark green and 

 becoming smooth above at maturity, hairy or woolly below, usually becoming 

 almost smooth in age; flower clusters rather short and dense, the flowers 

 white, the petals about 1/2 inch long or slightly less; flower-stems and calyces 

 usually more or less hairy or silky; berries ^ to % inch in diameter, dark 

 purple at maturity. (Syns. A. Goldmani Woot. & Standi., A. spicata (Lam.) 

 Koch., A. pallida Greene). 



OccuTTence. — LASSEN. YOSEMITE, common, 4,000 to 7,500 feet: Yosemite Valley; 

 Ledge trail; Tenaya Lake trail; southwest of Mount Starr King; Isberg Lake trail. 

 KINGS CANYON: between Junction and Videtfe Meadows. SEQUOIA. GLACIER, abundant. 

 3,100 to 6,000 feet: St. Mary Lake; Otokomi Lake trail; Swiftcurrent Lake; trail to 



Fig. 56. Saskatoon serviceberry 

 (Amelanchier alnifolia). 



Fig. 57. Hairyleaf serviceberry 

 (^Amelanchier iilahensis). 



Iceberg Lake; Crossley Lake; Two Medicine Lake; Cutbank Valley; Belton. GRAND 

 TETON, occasional, 6,500 to 7,100 feet: Death Canyon; Granite Canyon; near eastern 

 park boundary. YELLOWSTONE, abundant: east entrance; West Thumb; west of Lake 

 Junction; near Mud Geyser; near west entrance. ROCKY MOUNTAIN, occasional on hill- 

 sides and along streams, below 9,000 feet. ZION, 5,500 to 7,000 feet: Potato Hollow 

 south of Horse Pasture Plateau; highway near western boundary of park. GRAND CAN- 

 YON, on the North Rim and just below, 7,500 to 8,500 feet: near Neal Spring; Cape 

 Royal; Kaibab trail. ISLE ROY ALE, common: Mott Island; near old Rock Harbor light- 

 house, t 



