Phyllostachys

A genus of Gramineae

Yeping Bamboo, Semiarundinaria Makino， Gramineae bambusoideae A genus of. an underground stem It is a compound axis hybrid type. The pole is upright, medium high, the internode is short, hollow, cylindrical, but slightly flat on the side with branches; In the middle of the pole, each node has 3 buds, starting from 3 branches, and then increasing to several branches.

Chinese name: Phyllostachys
Latin name: Semiarundinaria Makino
circles: Flora
door: Angiosperma
Outline: Monocotyledons
order: Poales
section: Gramineae

genus: Phyllostachys
Subfamily: bambusoideae
family: Wombaceae
Subrace: Uzhua
Phonetic name: yepingzhushu
Flora of China: 09(1):323
Superfamily: Acanthus superfamily

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one morphological character
two geographical distribution

morphological character

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Pingzhu (5 sheets)

The culm sheath is incompletely deciduous, that is, when the sheath is unscrewed, the center of the sheath base is connected with the culm node and turns outward downward. After a period of time, the abscission and complete abscission occur; The sheath is leathery, and the back is often hairy; Most sheath ears are absent but have sheath fringe hairs; The sheath tongue is significantly present; Sheath segments are usually linear. The last branchlets usually have 3-7 (- 10) leaves; leaf sheath Often pubescent; Leaf ear Tiny or inconspicuous, the sheath fringe hair is usually developed, erect or concurrently finger shaped; Ligule It can be seen; The blade is narrow and long, Leaf margin Serrated, small Transverse vein Exists. Flowering branches are born at the lower nodes of leafy branches, with 1 First out leaf And a group of gradually increasing Bract , the leaves above the bracts are buddha shaped; false spikelet Usually alone or 2 or 3 in each Buddha flame bud In the axilla, there is 1 protuberant leaf at the base; Bracts 2 or 3, which can be connected with Lemma Similar, the lower 1 bract axil is often without bud; Spikelets contain (2) 3-6 (7) florets; Glume often does not exist; Lemma broad lanceolate To ovoid, leathery, apex Acuminate , with Longitudinal vein And small transverse veins; The palea is lanceolate, equal to or longer than its lemma, with 2 ridges on the back, and there are often cilia on the ridge, and the apex is lobed; Squama integument 3, apex acute, margin ciliate, base with 3-5 veins; stamen 3， filament Separate from each other, anther Linear, yellow, extending out of flower after maturity; ovary Cylindrical or ovoid, glabrous; style 1. Long; stigma 3, about the same length as the style, brush like.^[1]

geographical distribution

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There are more than 10 species of this genus, mainly produced in Japan. In the past, there were 9 species reported in China, which were not of this genus. Now our country only knows Pingzhu 1 species, cultivated in botanical gardens in Taiwan and other big cities.

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