Cercidiphyllaceae

the 1st Department of The New Year's Department of
Of
Plant. Only Lianxiang tree genus
1
,
1
species,
1
species, distributed in China and Japan. In China from the west of Sichuan to the east of Anhui, Zhejiang, north to Shanxi Zhongshan.even fragrant trees, for deciduous trees; Leaf type 2, long branches of the leaves to the birth or close to the birth, wide egg-shaped, oval or triangular, short-branched leaves to each other, round heart-shaped or kidney-shaped. Small flowers, monogenic, male and female, leaves open, no flowers, male flowers several closely composed of short total flower sequence, below
4
have
4
cracked sliver support, above the male flower is no sliver, each male flower has
8
to
13
male, pollen
3
Groove, ditch short, female flower (
2
to)
4
(to
6
) flowers composed of a tight flower sequence, each female flower has
1
skin, by
1
piece support, the sub-room has most embryo beads, flower column slender, abdominal column head
tissue
.fruit. The seed has wings at one end, the embryo is relatively large, spoon-shaped, the emulsion oil, a small amount. Chromosomal base
x x 19
.spring when the leaves are not or have just been released open, wind-borne pollination. Fossils of lianxiang tree genus were found in the Qureshi Paleo-New World formation. The texture is straight and the structure is fine, which can be used for construction, furniture, etc., bark and leaves contain tanning, can be made ofglue, new leaves with purple, autumn leaves turn yellow or red, can be used as garden ornamental tree species.