Hamamelidaceae

gem leaf plant gang golden wisp Maya gang (
Hamamelidae
)
1
1. Woody. Single leaves are mutually born, with palm-shaped or feather-like veins, and the toes are obvious (with the exception of serum lotus). Flower sex, rare monogamity of the same plant, how many co-birth of the tube and sub-room, sorbet
4
to
5
; petals
4
to
5
, sometimes more, or missing; male
4
to
5
or most, sub-room lower to half lower position, rare,
2
room, flower column
2
, away from birth, embryo beads per room more than

1.fruit
2
cleavage; seeds are
or
1
grains, seeded cortogenic, or have narrow wings, have endosperm. Pollen
3
or porous. Chromosomal base
x x 12
,
15
. There
27
140
species
, mainly distributed in Asia, but also in Australia, North America, Central America, Madagascar. There are
17
75
species
China.ancient history, the Cretaceous and Third Eras in northern Europe and North America have maple tree genus
Liquidambar
), golden plum genus
Hamame-lis
), Sia jin wisp plum genus (
Parrotia
) and Fossils of
Fothergilla
,
Corylopsis
) in the third-era formation of Japan, and
Exbucklandia
in Oregon, North America. In addition, in northern and southern Europe there are fossilized genus
Hamamili-tes
), golden plum (
Hamamelidoxylon
), and golden plum (
Ham-amelianthium
).Undergraduates are tall trees, for wood have maple tree genus, herring genus, horseshoe lotus, etc. ; maple, mahogany and semi-maple lotus are all drugged, their resin substitute su-scent, for flavor and flavoring agent; wax petal flowers contain dwarf tea, treatment of chronic bronchitis; serum lotus, golden plums, wax petals, etc. are valuable ornamental plants.the golden wisp of Meko and the hanging Suzuki branch of the same as the golden plum, it and the rose
rosales
) and the tiger-eared grass eye (
Saxibragales
) are related, the modern polyps think of the golden plum Linked to
Trochodendra-les
, it is connected by
Urtices
, which is
Eucommiales
and soft flower sequence.golden plumco is a relatively old and not continuous group in the evolutionary system, especially maple tree yako has the characteristics of male and female flowers, figs, pollen porous type, etc. , are with the golden plumco's two-sex flowers, is different,
3
different characteristics, such as pollen, so a number of scholars have advocated the maple tree genus and the genus of the maple tree independent from the maple tree branch (
Liqudambaraceae
). Other scholars have divided the double flower wood (
Disanthaceae
), the red flower lotus lotus (
Rhodoleiaceae
), and the horseshoe Hoko (
Exbucklandiaceae
).
H
.
A
.
T
. Hames divided the golden plumco into double flower mayaco, golden wisp mayaco, red flower lotus lotus, horseshoe lotus and maple tree yako.
added
vegetable goyako to the 1979 issue of The Chinese Botany.Shuanghua Muyako flowers of both sexes,
2
pairs,
5
number, petal ribbon, male
5
, flower petal cracking, near the upper part of the sub-room, embryo droplets,
1
genus
11
species. Shuanghua wood is produced in Japan. Long-handled double-flowered wood is produced in the mountains of Hunan, China, and southern Jiangxi Province.Horseshoe Hoyaco to-leaf
2
pieces, sliver-shaped; Only the horseshoe Netherlands
1
genus,
4
species, produced in Asia, China has
3
species, large fruit horseshoes are common in southern China provinces.red flower lotusleaves with feathery veins, no leaves, flowers of both sexes, red, petals biased to the outside of the head-shaped flower sequence, male
7
to
9
.
1
9

species, produced in Asia, China has
6
species, seloem lotus is common.-shelled vegetableslarge, flowery, lined up in a flesh-spike-shaped flower sequence. Male majority, sub-room subseed, embryo beads majority. Among them, shell vegetable fruit
1
, produced in Guangdong, Guangxi, Yunnan to the northern part of the Central and Southern Peninsula. Petal ribbon, leaves
1
tube. Mountain copper belongs to
1
species, produced in Hainan, China, no petals,
leaves
2 pieces, round. maple tree yako flower monologue, head-shaped flower sequence. No petals, male majority, sub-room subseed, embryo beads majority,
3
genus, of which
5
species of maple trees, produced in Asia and the Americas, China has
2,
species, maple is the most common. Half maple Dutch
3
, produced in southern China, commonly have half maple lotus. There are
12
species of ferns, produced in Asia,
8
species in China, the most common. golden wisp Mayaco flowers of both sexes or monoxuality,
4
to
5
number, petals are stored or missing, often glands, embryo drops
1
,
19
genus. The following can be divided into
6
family: (1) golden plum family, petal line,
4
to
5
number. Degenerative male scales. There are
1
species of four-drug gate flowers, produced in China and Guizhou, and
4
of jiki, produced in East Asia. Stepwood is the most common. There are

species of golden plums, produced in East Asia and North America,
2
species in China, the common golden plum. (2) Wax petal family, wax petals belong to
29
species, produced in East Asia, China has
20
species, wax petals are the most common. There are 11 species of

hydrants, produced in central China. (3) Xiuzhu flower family, flower column elongity, petal scales.
1
, Xiuzhu flower genus has
3
species, produced in southern China and Vietnam. (4) and the Serghurs,
4
, native to the Americas. (5) Mosquito mother tree family,
3
genus. There are more than 1
species
the mountain white tree, produced in central China. There are 18 species
mosquito
, produced in Asia and Central America. There are 12
species
China. There are 9 species
pears
, produced in Asia, and 7 species

China. (6) Aomu,
2
, produced in Australia. 。