| Pteropyrum | |
|---|---|
 | |
| Pteropyrum aucheri subsp. olivieri | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Subfamily: | Polygonoideae |
| Genus: | Pteropyrum Jaub. & Spach [1] |
| Species | |
See text. | |
Pteropyrum is a genus of plants in the family Polygonaceae. Plants of the World Online accepts two species, native to Iran, Oman and the Gulf States. [1]
Species of Pteropyrum are shrubs. The few leaves may be arranged alternately or in bundles (fascicled). The ochrea is short. The flowers are small and bisexual, with five tepals, two outer and three inner, the three inner clasping the fruit when it forms. There are eight stamens. The ovary is three-angled with three styles. The fruit has three broad wings. [2]
The genus was erected by Hippolyte François Jaubert and Édouard Spach in 1844. [3] It is placed in the subfamily Polygonoideae, tribe Calligoneae, along with its sister genus Calligonum . [4]
As of March 2019 [update] , sources varied considerably in the number of species assigned to the genus. Plants of the World Online accepted the following two species: [1]
Other sources listed more species, some with an "unresolved" status. [6] [7] These include:
The Polygonaceae are a family of flowering plants known informally as the knotweed family or smartweed—buckwheat family in the United States. The name is based on the genus Polygonum, and was first used by Antoine Laurent de Jussieu in 1789 in his book, Genera Plantarum. The name may refer to the many swollen nodes the stems of some species have, being derived from Greek, poly meaning 'many' and gony meaning 'knee' or 'joint'. Alternatively, it may have a different derivation, meaning 'many seeds'.
The docks and sorrels, genus Rumex, are a genus of about 200 species of annual, biennial, and perennial herbs in the buckwheat family, Polygonaceae. Members of this genus are very common perennial herbs with a native almost worldwide distribution, and introduced species growing in the few places where the genus is not native.
Polygonum is a genus of about 130 species of flowering plant in the buckwheat and knotweed family Polygonaceae. Common names include knotweed and knotgrass. In the Middle English glossary of herbs Alphita, it was known as ars-smerte. There have been various opinions about how broadly the genus should be defined. For example, buckwheat has sometimes been included in the genus as Polygonum fagopyrum. Former genera such as Polygonella have been subsumed into Polygonum; other genera have been split off.
Muehlenbeckia or maidenhair is a genus of flowering plants in the family Polygonaceae. It is native to the borders of the Pacific, including South and North America, Papua New Guinea and Australasia. It has been introduced elsewhere, including Europe. Species vary in their growth habits, many being vines or shrubs. In some environments, rampant species can become weedy and difficult to eradicate.
Pulicaria is a genus of flowering plant in the sunflower family, native to Europe, Asia, and Africa. In North America Pulicaria is known by the common name false fleabane.
Oxyria is a genus of plants in the family Polygonaceae with three accepted species as of March 2019. It has a circumboreal distribution.
Oxygonum is a genus of plants in the family Polygonaceae with about 30 species. It is native to eastern parts of Africa and to the Arabian Peninsula.
Calligonum is a genus of plants in the family Polygonaceae with about 80 species across the Mediterranean Sea region, Asia and North America.
Atraphaxis is a genus of flowering plants in the family Polygonaceae with about 40 species.
Pierre Martin Rémi Aucher-Éloy was a French pharmacist and botanist who was a native of Blois. The standard author abbreviation Aucher is used to indicate this person as the author when citing a botanical name.
Duma florulenta, commonly known as tangled lignum or often simply lignum, is a plant native to inland Australia. It is associated with wetland habitats, especially those in arid and semiarid regions subject to cycles of intermittent flooding and drying out. The Wiradjuri name for the plant is gweeargal, and the Walmajarri name is Kirinykiriny, or Kurinykuriny.
Pteroxygonum is a plant genus in the family Polygonaceae. As of March 2019, two species are recognized. Their native range is from Tibet to southeast China.
Plocama is a genus of flowering plants in the family Rubiaceae. It was described by William Aiton in 1789. It is distributed from the Canary Islands to northwestern India.
Frankenia is the only genus in the Frankeniaceae family of flowering plants. Other genera have been recognized within the family, such as Anthobryum, Hypericopsis and Niederleinia, but molecular phylogenetic studies have consistently shown that they all belong inside Frankenia. Frankenia comprises about 70–80 species of shrubs, subshrubs and herbaceous plants, adapted to saline and dry environments throughout temperate and subtropical regions. A few species are in cultivation as ornamental plants.
Hypericum aucheri, also known as Koramanotu in Turkish, is a herbaceous perennial flowering plant in the St. John's wort family Hypericaceae.
Reynoutria is a genus of flowering plants in the family Polygonaceae. The genus is native to eastern China, Eastern Asia and the Russian Far East, although species have been introduced to Europe and North America. Members of the genus, including R. japonica and its hybrid with R. sachalinensis, are highly invasive plants.
Polygonoideae is a subfamily of plants in the family Polygonaceae. It includes a number of plants that can be highly invasive, such as Japanese knotweed, Reynoutria japonica, and its hybrid with R. sachalinensis, R. × bohemica. Boundaries between the genera placed in the subfamily and their relationships have long been problematic, but a series of molecular phylogenetic studies have clarified some of them, resulting in the division of the subfamily into seven tribes.
Duma is a genus of shrubby flowering plants in the family Polygonaceae, subfamily Polygonoideae. The genus was separated from Muehlenbeckia in 2011. The native range of the genus is Australia.
Polygonum ciliinode is a species of flowering plant in the family Polygonaceae, native to central and eastern Canada, and the north-central and eastern United States. The specific epithet is also spelt cilinode.
Digitalis cariensis is a species of flowering plant in family Plantaginaceae. It is a type of foxglove. It is native from southwestern to southern Turkey.
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