Answer:

ginkgo

Answer	Crossword Clue
GINKGO	Maidenhair tree
GINKGO	"Living fossil" tree
GINKGO	.. biloba: claimed memory-enhancing extract

GINKGO	Ornamental "living fossil"
GINKGO	Ornamental street tree
GINKGO	... biloba
GINKGO	.. biloba
GINKGO	Large tree with fan-shaped leaves.
GINKGO	Ornamental tree of the Orient
GINKGO	Tree with a fan-shaped leaf
GINKGO	Large shade tree

GINKGO	Chinese tree considered a living fossil
GINKGO	Tree with fan-shaped leaves
GINKGO	Urban planting favorite
GINKGO	Tree of China with fan-shaped leaves
GINKGO	Chinese tree with fan-shaped leaves
GINKGO	Tree whose leaves appear in many Chinese fossils