Acer spicatum
 
Mountain Maple

Infructescence

Upper Escarpment of Pasquia Hills,
14 Miles North and 5.5 Miles West of Hudson Bay, SK
11-August-2017

Each fruit is a schizocarp, composed of two samaras.  A samara is a single seeded, indehiscent fruit equipped with a papery wing.  The entire structure is sometimes called a double samara.

Spicatum: Answers to key questions in Budd's Flora leading to this species. 

leaves lobed, not pinnate; NOT [leaves pinnate with 3 - 5 leaflets]

leaves with lobes deltoid; NOT [leaves with lobes rhomboid]

leaf base not chordate

inflorescence a many-flowered racemose panicle; NOT [inflorescence a few-flowered corymb]

 

Aceraceae: Answers to key questions in Budd's Flora leading to this family.  Not all the answers apply to all members of this family, but they all do apply to A. spicatum

plants not climbing

large or small trees, or large shrubs; NOT [low shrubs]; NOT [herbs]

plants with normal leaves

leaves opposite; NOT [leaves alternate]

leaves palmately lobed

flowers with two floral rings

each petal distinct from the others

fruit a 2-seeded samara; NOT [fruit fleshy]