Acer saccharum subsp. grandidentatum

From Hortipedia
(Redirected from Acer brachypterum)
Jump to: navigation, search

Hortipedia Commons %LABEL_PRINTING QR Code

Acer saccharum subsp. grandidentatum (Nutt. ex Torr. & A.Gray) Desmarais

Aceraceae

Life form: tree

Exposure: sun  

Moisture: moist

Soil: sandy loam - Soil: gritty loam

Arrangement: opposite
Leaves: decidious

Shape: palmately lobed

Division: simple

                   

Shape: five-stellate
Fruit: schizocarp

134B / 229143 

Inflorescence: corymb

Petals: not specified
Habit: erect

Canopy: rounded to broadly spreading

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Rosidae
Superordo:
Rutanae
Ordo:
Sapindales

Acer saccharum subsp. grandidentatum is a tree.

Naming

Acer saccharum subsp. grandidentatum was already described and the name validly published by John Torrey and Asa Gray. It was Yves Desmarais, however, who reclassified it into todays valid botanical systematics in 1952.

Taxonomy

Acer saccharum subsp. grandidentatum is a subspecies in the genus Acer which contains approximately 230 to 296 species and belongs to the family of the Aceraceae (Maple Family). The type species of the genus is Acer pseudoplatanus.

Characteristics

Growth

The trees reach heights of 8 to 10 metres, the main growing season is in spring and summer. They have a rounded to broadly spreading canopy and are comparatively short-lived.

Wood and Bark

Leaves

Acer saccharum subsp. grandidentatum is deciduous. The dark-green, simple leaves are opposite. They are palmately lobed and petiolate with dentate margins and palmate venation. The surface of the leaves is puberulent. The foliage is porous and turns an attractive yellow, orange, bright orange to red in autumn.

Flowers and Fruits

Acer saccharum subsp. grandidentatum produces showy corymbs of erect, green five-stellate flowers from March to April. The plants are dioecious.

In summer the trees carry schizocarps.

Root System

The plants form fibrous roots.

Distribution

Cultivation

The trees prefer a sunny situation on moist soil. They prefer sandy-loamy or gritty-loamy soil with a pH between 6 and 8. The plants need a soil depth of at least 61 centimetres for good growth. They need a frost-free period of at least 14 weeks.

Tolerance of special soil conditions

  • none: soil salinity, calcareous soil
  • low: anaerobic soil, drought

Uses

The recommended planting distance is 2 to 2,4 metres. From a commercial point of view the trees can be used to produce posts. The plants have high potential for fuelwood production.

Maintenance and Propagation

Propagate by sowing. The seeds require vernalization.

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

Non-commercial Links

This might also interest you

Commercial Links