### plant part | stem:

Twig
* Most twigs fall from trees.
* Most twigs have buds
  - diameters
* Some twigs become trees.
  * A 'twig' small, thin branch. Twigs are very important in telling apart trees, shrubs and vines, especially in wintertime.
* also are reddish-brown and somewhat rough
  - float on water
* are also hairy
  - angular and hairy
* are bright brown in color
  - yellow-green
* are brown and densely hairy
  - scaly with red-brown buds
  - brown, stout and hairy with large terminal buds showing loose outer scales
* are brown-gray and pubescent
  - with reddish hair
  - brown-gray, stout and sometimes with corky wings
* are dark brown, some tendrils or shredding in stirps
  - with orange lenticels and black lateral buds with two overlapping scales
  - densely woolly, or hairy, and bright brown in color
  - fairly flexible where black willow twigs snap easily
  - four-sided, finely hairy and brownish when young
  - fragrant
* are glabrous and cylindrical, and young leaves and twigs are red in colour
  - slightly angled
  - or only slightly hairy
* are glabrous, or only slightly hairy, and a glossy, dark brown
  - when young and have a light reddish-brown color
  - shiny, and reddish-brown in color
  - slender, reddish, and shiny
  - golden-yellow, especially in winter and early spring
* are gray and glandular
  - glaucous with shield-shaped leaf scars containing a single bundle scar
  - gray, zigzag, armed with spines, and with raised leaf scars and sunken lateral buds
  - gray-brown and scaly
  - gray-white and smooth
* are grayish in color and smooth, with enlargements at the joints
  - green and smooth with prominent, hairy, red-brown buds
* are green to light gray with lenticels
  - purplish-green with white fuzzy lateral buds
  - red-brown and scurfy
  - green-yellow with spines
  - hairless and have blunt hairless buds
  - hairless, green or red, end bud present
  - hairy with white-brown hairy buds
  - in a upright position
  - light brown to gray with prominent lenticels
* are light gray and hairy when young
  - pubescent with lenticels
  - located in trees
  - lustrous
  - moderate in diameter, brown, with half-round leaf scars with three bundle scars
  - moderately stout and slightly angled
  - moderatley stout, orange-tan in color
  - much stouter and glabrous, or only slightly hairy, when young with orangish-brown bark
  - often minutely pubescent
* are often shiny or somewhat glaucous
  - waxy
  - spiny-tipped and rather slender
  - thorny
  - olive brown in color, pubescent, stout, and heavily lenticeled
  - orange-brown to gray
  - pale red-brown and peeling
  - pubescent and have a red-brown covering or hairy bloom
* are red-brown and hairless
  - hairy with prominent lenticels
  - smooth with pubescent, angled terminal buds clustered on the ends of twigs
  - waxy, often with thorns
* are red-brown with a very pointed, slender terminal bud fringed with hair
  - waxy bloom
  - hair and conspicuous lenticels
* are red-brown, hairy and with spur shoots often showing thorns
  - slender, and zigzag
  - smooth and slender
* are reddish brown and tend to droop
  - to gray, smooth or occasionally sparsely hairy
* are reddish-brown and glabrous
  - when young, becoming gray with age
  - reddish-gray in the fall
  - relatively stout with stellate pith and clustered buds at the end of the twig
  - shrunken and brown to black
  - silvery-brown and scaly
* are slender and light brown, becoming grey at maturity
  - stunted
  - to moderately stout
  - with yellow valvate buds
* are slender, light orange in color and bear short, sharp thorns
  - red, glabrous, and often end in a spine
  - reddish or greenish, covered with many raised warts and often zigzag
  - reddish-brown, smooth
  - shiny, greenish brown to reddish brown
  - zigzag, and red-brown
  - slnder, reddish-brown, slightly hairy at first becoming smooth
* are smooth and angled with chestnut brown buds, shield-shaped leaf scars and one bundle scar
  - purple-brown
  - zigzag with wooly lateral buds and leaf scars surrounding the bud
  - with round, pubescent buds
* are smooth, exuding milky sap when broken
  - zigzag, and shiny chestnut brown with chestnut brown buds
* are stout and gray-brown with light brown hairy buds with valvate scales
  - notched leaf scars
  - green-gray with lenticels and wooly maroon hair
  - red-brown in color
  - smooth with velvety hairy white buds and stipular scars surrounding the twig
  - stiff
  - vigorous
  - zigzag with large sometimes branched thorns
* are stout with a large, pointed, sticky, green terminal bud
  - paired stipular spines at each node
  - stout, angular, smooth, and covered with a whitish coat that can be wiped off
* are stout, green and flat with stout, sharp thorns
  - with yellow hairs when young and have scattered blackish spines
  - never reddish
  - orange-brown and are usually densely hairy
* are stout, red-brown and hairy with large hairy terminal buds
  - scaly with prominent silvery white buds
  - reddish to greenish brown and without hairs
  - smooth and generally grey in colour
  - stunted and die back
  - thin and zigzag
  - thin, reddish
  - tree branchs
  - used to clean teeth, while the bark is said to be useful for toothaches
* are usually green or red
  - reddish, with smooth, white trunk, gray-green evergreen foliage
  - spindly and stunted
  - very important in telling apart trees , shrubs and vines , especially in wintertime
  - wiry, extremely slender, covered with tiny hairs, light brown to reddish brown
* are zigzag and green to red, yellow, or brown
  - with 'dunce-cap' buds and leaf scars encircling the buds
  - zigzag, hairy and with lenticels and triangular leaf scars
* bear bright yellow valvate buds.
* become dark green and oily looking when infected
  - orange-brown with age
* break easily from the branches.
* contain a wide, yellowish-brown pith and yield a milky sap when cut or bruised.
* die back and large, diffuse, targetlike splotches form on canes
  - due to girdling cankers
  - in late summer
* end in spines.
  - off the trees
* finally become reddish or orange-brown in color when mature.
* gradually die back from the tips.
* hang perpendicular to the earth and the tree is very droopy.
* have a bitter, almond taste
  - light brown spotted stem which turns red towards the top
  - appearances
* have conspicuous corky wings that protrude one-half inch
  - lateral buds but lack terminal buds
  - flat, corky wings which disappear with older growth
  - light reddish-brown bark
  - no end buds and very small side buds
  - orange bark
  - rag appearances
  - rough appearances
  - sessile, pointed axillary buds
  - thornlike spurs
  - thorns or spines
* hold tightly packed buds that contain next spring's foliage.
* includes bark
  - leaf nodes
  - sections
* is one of the pups.
* look like branches , look like trees.
* often curve inward from the midpoint, tracing the outline of a wine goblet
  - have corky, winged projections
  - zigzag slightly from node to node
* reddish brown when young, graying with age, densely hairy, becoming glabrous.
* smell somewhat bad when crushed.
* stay green throughout winter.
* taste like wintergreen.
* typically take the shape of cones, with the skinniest part being near the top.
* usually pubescent or glandular-pubescent.
* wither and die back from girdling cankers or a crown rot.
* yield birdlime.