Tree (6,5)
'tree' is the definition.
(ash is a kind of tree)
This is all the clue.
(Other definitions for ash that I've seen before include "remains after forest fire?" , "Knotty - - (Ken Dodd)" , "Grey colour" , "What's often left after something 1 Ac" , "Common tree" .)
'tree' is the definition.
(oak is a type of tree)
This is the entire clue.
(Other definitions for oak that I've seen before include "Tree of the genus Quercus" , "Acorn tree" , "Building timber" , "Traditional British tree" , "From little acorns does it grow" .)
'tree' is the definition.
(fir tree is a kind of tree)
This is all the clue.
(Other definitions for fir that I've seen before include "Evergreen conifer" , "Evergreen tree for Irish men?" , "Tree for an Irishman" , "Evergreen tree for Gaelic men" , "Kind of cone-bearing tree" .)
'tree' is the definition.
(elm is a kind of tree)
This is all the clue.
(Other definitions for elm that I've seen before include "Leaving body" , "Source of timber" , "Tree of the genus Ulmus" , "Perennial plant" , "Hardwood tree" .)
'tree' is the definition.
(type of tree)
This is all the clue.
(Other definitions for yew that I've seen before include "Leaving body" , "Wood for bows" , "Conifer" , "Evergreen tree with dark leaves and red berries" , "This tree grows in churchyard" .)
If this is the answer, I'm afraid I cannot explain it.
Can you help me to learn more?
'tree' is the definition.
(olive tree is a kind of tree)
This is all the clue.
(Other definitions for olive that I've seen before include "Yellowish-green colour" , "Small green Mediterranean tree fruit, nice in martini" , "Cocktail fruit" , "Tree - shade of green" , "One's stoned" .)
'tree' is the definition.
(elder is a kind of tree)
This is the entire clue.
(Other definitions for elder that I've seen before include "Tribal advisor" , "Senior - church official" , "Older person - one's senior" , "Tree; of greater age" , "Senior churchman - shrub" .)
'tree' is the definition.
(alder is a kind of tree)
This is all the clue.
(Other definitions for alder that I've seen before include "Tree or shrub of the birch family" , "Type of birch tree" , "Tree related to the birch" , "A tree for Adler" , "One [TYPE OF TREE]" .)
'tree' is the definition.
(larch is a kind of tree)
This is all the clue.
(Other definitions for larch that I've seen before include "Supplier of timber" , "Coniferous tree with deciduous bright green needles" , "Deciduous conifer" , "wood" .)
'tree' is the definition.
(cedar tree is a kind of tree)
This is the entire clue.
(Other definitions for cedar that I've seen before include "Tree giving fragrant wood" , "Tall conifer" , "Tall coniferous tree" , "Deodar" , "Evergreen tree" .)
'tree' is the definition.
(aspen is a kind of tree)
This is the entire clue.
(Other definitions for aspen that I've seen before include "Type of poplar" , "city in Colorado" , "A poplar with shivering leaves" , "quill-like?" , "Trembling poplar tree" .)
'tree' is the definition.
(type of tree)
This is all the clue.
(Other definitions for rowan that I've seen before include "Red-berried tree" , "source of berries" , "-- Williams, theologian" , "Canterbury" , "Atkinson or Williams" .)
'tree' is the definition.
(beech is a kind of tree)
This is the entire clue.
(Other definitions for beech that I've seen before include "Wood" , "Timber tree" , "It has branches" , "Copper or silver tree" , "Tree with bitter 'nuts'" .)
'tree' is the definition.
(maple is a kind of tree)
This is the entire clue.
(Other definitions for maple that I've seen before include "Source of syrup" , "Tree; sauce" , "Canadian flag leaf" , "Tree providing Canada's national emblem" , "Its leaf is the emblem of Canada" .)
'tree' is the definition.
(hazel is a kind of tree)
This is all the clue.
(Other definitions for hazel that I've seen before include "Yellow-brown - nut-tree" , "Type of nut" , "Tree; girl's name" , "wood" , "Cob (nut)" .)
(Other definitions for arbor that I've seen before include "where Americans retreat" , "Beam" .)
'tree' is the definition.
(conifer is a kind of tree)
This is all the clue.
(Other definitions for conifer that I've seen before include "Type of tree" , "The tree doesn't lose its leaves" , "Fir or pine, for example" , "Tree such as pine, yew etc" , "one branching out" .)
'tree' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for redwood that I've seen before include "Californian conifer" , "Giant California conifer" , "Giant North American conifer" , "former Tory minister" , "may be growing in California" .)
'tree' is the definition.
(coconut tree is a kind of tree)
This is all the clue.
(Other definitions for coconut that I've seen before include "Shy thing?" , "Shy target?" , "Large hard seed" , "Large palm seed" , "that's hairy and tough!" .)
'tree' is the definition.
(spruce is a kind of tree)
This is all the clue.
(Other definitions for spruce that I've seen before include "Smart in appearance like fir tree" , "Trim - conifer" , "Neat and dapper tree" , "Neat - evergreen" , "Neat and tidy like tree" .)
'tree' is the definition.
(acacia is a kind of tree)
This is all the clue.
(Other definitions for acacia that I've seen before include "Plant such as the Australian wattle" , "Plant like wattle" , "Wattle that grows" , "Tree (wattle or robinia)" , "Garden plant also known as wattle" .)
'tree' is the definition.
(poplar tree is a kind of tree)
This is the entire clue.
(Other definitions for poplar that I've seen before include "Tree of north temperate regions, with flowers borne in catkins" , "Tree - London district" , "Timber tree" , "tree found mostly in the northern hemisphere" , "Tall tree of north temperate regions" .)
'tree' is the definition.
(laurel is a kind of tree)
This is all the clue.
(Other definitions for laurel that I've seen before include "Does A1 rule this bush?" , "one half of double act" , "Shrub with glossy leaves" , "The leaf symbolises victory" , "Stan . . . . . ., Oliver Hardy's comedian partner" .)
'tree' is the definition.
(acer is a type of tree)
This is all the clue.
(Other definitions for acer that I've seen before include "Care about this tree" , "Tree of maple family" , "Tree or shrub of the maple genus" , "Plant" , "Care about the maple?" .)
(Other definitions for cola that I've seen before include "Fizzy drink" , "pop" , "Carbonated soft drink" , "Cold drink" .)
'tree' is the definition.
(pine is a kind of tree)
This is all the clue.
(Other definitions for pine that I've seen before include "Conifer grown for wood" , "Kind of needle" , "Long - timber" , "Long - tree" , "A tree to grieve for" .)
'tree' is the definition.
(copper beech is a kind of tree)
This is all the clue.
(Other definitions for copper beech that I've seen before include "Always autumn for this tree?" , "Tree with dark-coloured leaves" , "Tree with reddish leaves" , "Never-green tree" , "Tree with purplish-brown leaves" .)
'tree' is the definition.
(silver birch is a kind of tree)
This is all the clue.
(Other definitions for silver birch that I've seen before include "Pretty tree with peeling bark" , "Elegant British tree" .)
'tree' is the definition.
(chestnut tree is a kind of tree)
This is the entire clue.
(Other definitions for chestnut that I've seen before include "Sweet -; horse -; water -" , "Tree - reddish-brown" , "Golden to reddish brown colour" , "''Underneath the spreading . . . . . . . . tree''" , "Wooden" .)
'tree' is the definition.
(sycamore is a kind of tree)
This is all the clue.
(Other definitions for sycamore that I've seen before include "Species of maple" , "Type of maple tree" , "The tree is strangely so creamy" , "Tree with two-winged fruit" , "Great maple tree" .)