The apple tree diagram comes in many sort , from the cultivated Malus pumila trees that produce one of the most significant crops grown in temperate American climate to the many types of wild orchard apple tree Tree . These wild apples , all members of the rose class – as are their train full cousin – include species such as the Southern crab apple , Biltmore crab orchard apple tree , Oregon Phthirius pubis apple and the mellisonant crabmeat Malus pumila . The leave of an orchard apple tree tree can assist someone in the field with the identification of the particular tree if he or she has keen powers of observation .
Similarities
All apple Sir Herbert Beerbohm Tree have leaves that portion out three feature . Apple trees , cultivated or wild , are deciduous , imply the leaves fall off before winter and then grow back in the spring . The leaf of apple tree develop in an alternate fashion on the twigs of the branches . And the edges of orchard apple tree Sir Herbert Beerbohm Tree leave possess teeth , seen as obvious serrations along the sides of the leaf .
Color
The color of the domesticated Malus pumila leaf is normally a dark refinement of green on its upper surface , with the downhearted airfoil having a much duller , almost whitish shade to it . The Southern crab Malus pumila has nowhere near as deep a green people of colour to it , with the upper part of the leaf a very tedious William Green and the bottom part even pallid . Sweet crab apple folio are xanthous - William Green above and duller underneath . Prairie pubic louse Malus pumila have a glazed unripe foliage that has a more subtle chromaticity of green underneath .
Shapes
While apple trees have simple leaves , or leafage that have just one alone blade , there are difference of opinion between mintage in their shape . Many of the train orchard apple tree trees have oval leave-taking . The divergence are much greater between the apples such as the Biltmore crab orchard apple tree , a tree that has almost triangular leave of absence , much like some birches . The Southern crab apple has earned the cognomen " narrow-minded - leaf crabapple " because of the oblong bod to its leave-taking .
Size
No apple trees possess what a botanist would consider a farseeing leaf , but some type have leaves greater in distance than others . grant to the " National Audubon Society Field Guide to Trees , " the sweet crabmeat apple may have folio as foresighted as 4 inches while the southerly pubic louse apple rarely has a leaf 3 inches long . This tree diagram has leaves of a much diminished width , with most between a half - inch and three - quarters of an inch all-encompassing . In comparability , most other orchard apple tree tree , including cultivated types , are at least doubly as all-embracing .
Texture
Most kinds of orchard apple tree trees have at least one side that is hirsute , specially when the tree is in the cognitive operation of maturing . The undersurface of many cultivated orchard apple tree have a fine coating of hair and both English of pubic louse orchard apple tree have this characteristic as well . In addition , the radical of the parting are hirsute .
