| Daphniphyllum majus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Saxifragales |
| Family: | Daphniphyllaceae |
| Genus: | Daphniphyllum |
| Species: | D. majus |
| Binomial name | |
| Daphniphyllum majus | |
| Synonyms | |
| |
Occurring as a shrub or as a tree, Daphniphyllum majus is a species in the family Daphniphyllaceae. It is found in Mainland Southeast Asia and Yunnan in China. Uses of the plant include fuel and smoking-material.
The species is in section Lunata of Daphniphyllum, along with D. calycinum and D. griffithianum . [6]
This species has 4 accepted infraspecific varieties:
Daphniphyllum majus grow from 2m to 10m tall. [8] [9] Its grayish-brown branchlets are stout and densely covered in lenticels. The leaf blade is green when dry, glaucous below, oblong-elliptic or obovate-oblong in shape, (16-)20-37 × 7-14 cm, apex acuminate, reticulate veins are prominent on both surfaces. Along with some others species of the genus, D. majus has loosely arranged conical to round palisade cells in its leaves. [6] The species also has small (20 microns) irregular epidermal guard cells on the adaxial ("top") side of the leaf and bigger (24 microns) dome-shaped epidermal/guard cells on the abaxial side along with leaf stomata that are hemiparacytic (traits only shared with D. calycinum). The calyx is persistent, 2-3mm in size. The fruit 10-15 mm, not glaucous, loosely arranged. The plant flowers in China in March and April, fruiting from October to December.
Var. pierrei is a tall shrub, growing 1 to 6m tall. [10]
The species overall is native to Thailand, Cambodia, Vietnam, southern Yunnan (where it is found in Jinghong, Maguan, Malipo, Menghai, and Pingbian counties and Simao District), Laos and Myanmar. [7] Var. deciduum is endemic to Cambodia. [11] [8] The nominate variety, var. majus, is found in Thailand, Myanmar and Yunnan. [2] Var. phanrangense is endemic to Vietnam. [4] Thailand, Cambodia, Vietnam and Laos are the native regions for the var. pierrei. [5]
In China, D. majus is found in forest at between 1100 and 1500m elevation. [8] Var. pierrei is found in coastal forests. [10]
Daphniphyllum majus is known as 大叶虎皮楠 da ye hu pi nan in China. [8] Var. pierrei is known as rum dé:nh or châmbâk pra:ng in Khmer. [10]
The dried leaves of var. pierrei are smoked (as in tobacco) in Cambodia. The wood is excellent firewood. [10]
Antidesma is a genus of tropical plant in the family Phyllanthaceae formally described by Linnaeus in 1753. It is native to tropical Africa, S + E + SE Asia, Australia, and various oceanic islands. The greatest diversity occurs in Southeast Asia.
Epiprinus is a genus of plant of the family Euphorbiaceae first described as a genus in 1854. It is native to Indochina, Sumatra, southern China, and the Indian Subcontinent.
Actephila is a genus of about 36 species of flowering plants in the family Phyllanthaceae native to Southeast Asia, China, the Himalayas, Papuasia and northern Australia. Plants in the genus Actephila are monoecious trees or shrubs with entire leaves that are usually arranged alternately along the branches, flowers arranged singly or in clusters in leaf axils usually with 5 sepals and petals.
Daphniphyllum is the sole genus in the flowering plant family Daphniphyllaceae and was described as a genus in 1826. The genus includes evergreen shrubs and trees mainly native to east and southeast Asia, but also found in the Indian Subcontinent and New Guinea.
Hopea is a genus of plants in the family Dipterocarpaceae. It contains some 113 species, distributed from Sri Lanka and southern India to the Andaman Islands, Myanmar, southern China, and southward throughout Malesia to New Guinea. They are mainly main and subcanopy trees of lowland rainforest, but some species can become also emergent trees, such as Hopea nutans.
Hydnocarpus annamensis is a tree in the Achariaceae family. It is found in Thailand, Cambodia, Vietnam, southern Yunnan and southern Guangxi in Zhōngguó/China. It is threatened by habitat loss. The plant produces low-quality wood and its fruits are used in traditional medicine.
Christia is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Faboideae.
Vitis bryoniifolia is a prolific and adaptable, polygamo-dioecious species of climbing vine in the grape family native to China, where it is known as ying yu(Traditional Chinese: 蘡薁 Simplified Chinese: 蘡薁), or hua bei pu tao. The variant form ternata is known as san chu ying yu （Traditional and Simplified Chinese: 三出蘡薁), meaning Three-Spiked-Leafed Ying Yu.
Daphniphyllum macropodum is a shrub or small tree found in China, Japan and Korea. Small populations are also located in the southern Kuril Islands. Like all species in the genus Daphniphyllum, D. macropodum is dioecious, that is male and female flowers are borne on different plants. The timber is used in China in construction and furniture making. It is grown as an ornamental plant, chiefly for its foliage.
Swintonia pierrei is a tree species in the family Anacardiaceae. It is native to Cambodia and Vietnam.
Antidesma japonicum is a shrub in the family Phyllanthaceae. It is found in Southeast Asia, China and Japan. It provides food and fuel. A. japonicum has two accepted varieties: the nominate variety, A. japonicum var. japonicum; and the robustius variety, A. japonicum var. robustius.
The tree Castanopsis pierrei is in the family Fagaceae. It is found in Thailand and Cambodia. It provides fuel, food and crop-shading.
Käthe Rosenthal (1893–1942) was a German botanist. Her major work was on the genus Daphniphyllum. She worked at the Silesian Freidrich-Wilhelms-University in Breslau and at the Prussian Academy of Sciences in Berlin. At the beginning of September 1942, the Jewish scientist was deported from her place of residence in Berlin to the Riga Ghetto, where she was murdered a few days later.
Elaeocarpus stipularis is a tree in the Elaeocarpaceae family. It is found from the Aru Islands, eastern Indonesia, to Philippines, and through Mainland Southeast Asia to Odisha, India. It has edible fruit, its wood is used and some medical uses are ascribed to it.
Aporosa octandra is a species of plant in the family Phyllanthaceae found from Queensland and New Guinea to Indonesia, China and India. It is a highly variable plant with 4 named varieties. Its wood is used in construction and to make implements, its fruit is edible. The Karbi people of Assam use the plant for dyeing.
Croton persimilis is a species of tree in the Euphorbiaceae family. It is native to an area from Thailand in mainland Southeast Asia to southern Yunnan, China and to the Indian subcontinent. It is a pioneer species with a short life span. The plant is used in the traditional medicines of various peoples.
Daphniphyllum calycinum is a species of shrubby plant in the family Daphniphyllaceae. It is found in northern Vietnam and southeastern China. It is used in biodiesel and in lubrication, soap-making and Chinese medicine.
Daphniphyllum griffithianum is a tree species in the family Daphniphyllaceae. It is native to an area from Nusa Tenggara, Indonesia to Thailand.
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