''Zanthoxylum macranthum (Chinese: 大花花椒)'', is a species of woody plants in the family
Rutaceae
The Rutaceae is a family, commonly known as the rue[RUTACEAE](_blank)
in BoDD – Botanical Derm ...
. It is native to the upland open forests and thickets in south-east
Tibet
Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
and southern China, and has been found in
Chongqing
Chongqing ( or ; ; Sichuanese dialects, Sichuanese pronunciation: , Standard Mandarin pronunciation: ), Postal Romanization, alternately romanized as Chungking (), is a Direct-administered municipalities of China, municipality in Southwes ...
(
Nanchuan
Nanchuan () is a district and former county of Chongqing, China, bordering Guizhou
Guizhou (; formerly Kweichow) is a landlocked province in the southwest region of the People's Republic of China. Its capital and largest city is Guiyang, i ...
),
Guizhou
Guizhou (; formerly Kweichow) is a landlocked province in the southwest region of the People's Republic of China. Its capital and largest city is Guiyang, in the center of the province. Guizhou borders the autonomous region of Guangxi to t ...
, south-west
Henan
Henan (; or ; ; alternatively Honan) is a landlocked province of China, in the central part of the country. Henan is often referred to as Zhongyuan or Zhongzhou (), which literally means "central plain" or "midland", although the name is al ...
, western
Hubei
Hubei (; ; alternately Hupeh) is a landlocked province of the People's Republic of China, and is part of the Central China region. The name of the province means "north of the lake", referring to its position north of Dongting Lake. The prov ...
,
Hunan
Hunan (, ; ) is a landlocked province of the People's Republic of China, part of the South Central China region. Located in the middle reaches of the Yangtze watershed, it borders the province-level divisions of Hubei to the north, Jiangxi to ...
,
Sichuan
Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...
(
Emei Shan
Mount Emei (; ), alternately Mount Omei, is a mountain in Sichuan Province, China, and is the highest of the Four Sacred Buddhist Mountains of China. Mount Emei sits at the western rim of the Sichuan Basin. The mountains west of it are know ...
), southern
Yunnan
Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is ...
(
Xishuangbanna
Xishuangbanna, Sibsongbanna or Sipsong Panna ( Tham: , New Tai Lü script: ; ; th, สิบสองปันนา; lo, ສິບສອງພັນນາ; shn, သိပ်းသွင်ပၼ်းၼႃး; my, စစ်ဆောင် ...
), and south-east
Xizang
The Tibet Autonomous Region or Xizang Autonomous Region, often shortened to Tibet or Xizang, is a province-level autonomous region of the People's Republic of China in Southwest China. It was overlayed on the traditional Tibetan regions of Ü ...
.
Characteristics
Climbing vine; branchlets are dark gray, with fine longitudinal wrinkles, spines are usually only found on the back of leaf shafts, or without spines. The leaf has 3-7 leaflets, nine rare, sometimes even number. The lower part of the leaf shaft is often irregularly opposite; the leaf shaft ventral surface is flat or recessed in a thin longitudinal groove; the leaflets are thick, leathery, oval, elliptical Or oblanceolate, long, wide, sparsely small, symmetrical on both sides, sparsely slanted on one side, with the same color on both sides, leaf margins with finely divided teeth or nearly entire, long-leaf leaves The margin is slightly curled to the back, the leaf surface has a waxy luster after drying, dim and dull, scattered and dried, slightly raised, visible oil spots, the midrib is slightly concave and has short hairs, which can only be seen under an enlarged lens. Cymes are axillary; female flowers have few pedicels or stalks about long; male pedicels are longer; sepals and petals are four pieces; sepals are purple-green; petals are broad elliptic, light yellow-green, about long; filaments of male flowers It is about long, short rod-shaped staminodes, and bifurcated at the top; the pistil has four carpels, and the staminodes are very small. The infructescence is long, and the stalk is long; the lobular petals are reddish-brown, in diameter, with a short awn tip at the top, a slightly obvious oil spot, and a slight depression after drying with a slightly convex edge ; The seed diameter is about . Flowering period from April to May, fruit period from August to September.
[ 中國植物物種名錄（CPNI）. 中國植物物種信息數據庫.. （原始內容存檔於2016-03-05]
"大花花椒 Zanthoxylum macranthum (Hand.-Mazz.) Huang."
'' CPNI'', Web Page, 2013-1-18. Retrieved on 2016-03-05.
References
{{Taxonbar, from=Q10937591
macranthum
Articles with 'species' microformats