Ostrya knowltonii

Last updated

Ostrya knowltonii
Ostrya knowltonii.jpg
Status TNC G3.svg
Vulnerable  (NatureServe)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Betulaceae
Genus: Ostrya
Species:
O. knowltonii
Binomial name
Ostrya knowltonii
Ostrya knowltonii range map.jpg
Natural range

Ostrya knowltonii is a species of tree known by the common names Knowlton's hophornbeam, western hophornbeam, woolly hophornbeam, and wolf hophornbeam. It is also one of many trees called ironwood. It is native to Utah, Arizona, New Mexico, and Texas in the United States, but its distribution is localized and sporadic. [1]

This plant is a tree that grows to 9 [2] to 12 [1] m in maximum height. The trunk is short and it divides into many crooked branches. The crown is rounded. The bark is brownish gray and furrowed into scales or strips. The leaves are up to 6.3 cm long and have serrated edges. Male and female flowers are borne in separate catkins, the male up to 3 cm long and the female up to one. The fruit is a nutlet. [1] [2]

This plant grows in the American Southwest, including the rims of the Grand Canyon. It grows in oak woodlands, pinyon-juniper woodlands, and Ponderosa pine forests. It occurs in sunny, dry locations. [1]

The wood of the tree is hard and tough, and it can be used to make durable items such as fence posts and tool handles. [1]

Related Research Articles

<i>Quercus kelloggii</i> Species of oak tree

Quercus kelloggii, the California black oak or Kellogg oak, is an oak in the red oak section native to western North America. Although genetically separated from them for more than 20 million years, its leaves are remarkably similar in appearance to several other members of the red oak section including the red oak and the black oak found in eastern and central North America.

<span class="mw-page-title-main">Conifer</span> Group of cone-bearing seed plants

Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta, also known as Coniferophyta or Coniferae. The division contains a single extant class, Pinopsida. All extant conifers are perennial woody plants with secondary growth. The great majority are trees, though a few are shrubs. Examples include cedars, Douglas-firs, cypresses, firs, junipers, kauri, larches, pines, hemlocks, redwoods, spruces, and yews. As of 2002, Pinophyta contained seven families, 60 to 65 genera, and more than 600 living species.

<i>Quercus suber</i> Species of plant

Quercus suber, commonly called the cork oak, is a medium-sized, evergreen oak tree in the section Quercus sect. Cerris. It is the primary source of cork for wine bottle stoppers and other uses, such as cork flooring and as the cores of cricket balls. It is native to southwest Europe and northwest Africa. In the Mediterranean basin the tree is an ancient species with fossil remnants dating back to the Tertiary period. It can survive for as long as two centuries. Typically, once it reaches 25 years old, its thick bark can be harvested for cork every 9 to 12 years without causing harm to the tree.

<i>Betula pendula</i> Species of birch

Betula pendula, commonly known as silver birch, warty birch, European white birch, or East Asian white birch, is a species of tree in the family Betulaceae, native to Europe and parts of Asia, though in southern Europe, it is only found at higher altitudes. Its range extends into Siberia, China, and southwest Asia in the mountains of northern Turkey, the Caucasus, and northern Iran. It has been introduced into North America, where it is known as the European white birch or weeping birch and is considered invasive in some states in the United States and parts of Canada. The tree can also be found in more temperate regions of Australia.

<i>Ostrya</i> Genus of trees

Ostrya is a genus of eight to 10 small deciduous trees belonging to the birch family Betulaceae. Common names include hop-hornbeam and hophornbeam. It may also be called ironwood, a name shared with a number of other plants.

<i>Populus nigra</i> Species of plant

Populus nigra, the black poplar, is a species of cottonwood poplar, the type species of section Aigeiros of the genus Populus, native to Europe, southwest and central Asia, and northwest Africa.

<i>Carpinus betulus</i> Species of tree

Carpinus betulus, the European or common hornbeam, is a species of tree in the birch family Betulaceae, native to Western Asia and central, eastern, and southern Europe, including southern England. It requires a warm climate for good growth, and occurs only at elevations up to 1,000 metres (3,281 ft). It grows in mixed stands with oak, and in some areas beech, and is also a common tree in scree forests. Hornbeam was also known as yoke elm.

<span class="mw-page-title-main">Catkin</span> Cylindrical flower cluster

A catkin or ament is a slim, cylindrical flower cluster, with inconspicuous or no petals, usually wind-pollinated (anemophilous) but sometimes insect-pollinated. They contain many, usually unisexual flowers, arranged closely along a central stem that is often drooping. They are found in many plant families, including Betulaceae, Fagaceae, Moraceae, and Salicaceae.

<i>Populus deltoides</i> Species of tree

Populus deltoides, the eastern cottonwood or necklace poplar, is a species of cottonwood poplar native to North America, growing throughout the eastern, central, and southwestern United States as well as the southern Canadian prairies, the southernmost part of eastern Canada, and northeastern Mexico.

<i>Ostrya virginiana</i> Species of tree

Ostrya virginiana, the American hophornbeam, is a species of Ostrya native to eastern North America, from Nova Scotia west to southern Manitoba and eastern Wyoming, southeast to northern Florida and southwest to eastern Texas. Populations from Mexico and Central America are also regarded as the same species, although some authors prefer to separate them as a distinct species, Ostrya guatemalensis. Other names include eastern hophornbeam, hardhack, ironwood, and leverwood.

<i>Afrocarpus falcatus</i> Species of conifer

Afrocarpus falcatus is a species of tree in the family Podocarpaceae. It is native to the montane forests of southern Africa, where it is distributed in Malawi, Mozambique, South Africa, and Eswatini. Common names include common yellowwood, bastard yellowwood, outeniqua yellowwood, African pine tree, weeping yew, Afrikaans: outeniekwageelhout, kalander, Sotho: mogôbagôba, Xhosa: umkhoba and Zulu: umsonti. It is widespread, in some areas abundant, and not considered threatened, but it is a protected tree in South Africa. It is grown as an ornamental tree, especially in South Africa, and occasionally abroad.

<i>Populus tremula</i> Species of plant

Populus tremula is a species of poplar native to cool temperate regions of the Old World.

<i>Carya myristiciformis</i> Species of tree

Carya myristiciformis, the nutmeg hickory, a tree of the Juglandaceae or walnut family, also called swamp hickory or bitter water hickory, is found as small, possibly relict populations across the Southern United States and in northern Mexico on rich moist soils of higher bottom lands and stream banks. Little is known of the growth rate of nutmeg hickory. Logs and lumber are sold mixed with other hickories. The nuts are an oil-rich food for wildlife.

Ostrya japonica, known as East Asian hophornbeam, or Japanese hop-hornbeam, is a species of tree in the Betulaceae family growing to 25 m tall. It is native to Japan, Korea and China. In China, it occurs in temperate forests of southern Gansu, Hebei, Henan, Hubei, and Shaanxi provinces at altitudes between 1,000–2,800 metres (3,300–9,200 ft). In Japan it is known as Asada (浅田).

<i>Ostrya carpinifolia</i> Species of tree

Ostrya carpinifolia, the European hop-hornbeam, is a tree in the family Betulaceae. It is the only species of the genus Ostrya that is native to Europe.

<i>Quercus turbinella</i> Species of oak shrub

Quercus turbinella is a North American species of oak known by the common names shruboak, turbinella oak, shrub live oak, and gray oak. It is native to Arizona, California, New Mexico, Utah, Colorado, and Nevada in the western United States. It also occurs in northern Mexico.

<i>Quercus ithaburensis</i> Species of tree

Quercus ithaburensis, the Mount Tabor oak, is a tree in the beech family Fagaceae. It is found from southeastern Italy to the Levant. It is the national tree of Jordan. Two subspecies are accepted, Quercus ithaburensis subsp. ithaburensis and Quercus ithaburensis subsp. macrolepis. Together with Quercus brantii, it forms a clade of distinct, closely related species within the oak section Cerris.

<i>Quercus oblongifolia</i> Species of oak tree

Quercus oblongifolia, commonly known as the Mexican blue oak, Arizona blue oak, Blue live oak or Sonoran blue oak, is an evergreen small tree or large shrub in the white oak group.

<i>Chrysolepis chrysophylla</i> Species of flowering plant

Chrysolepis chrysophylla is a species of flowering shrub or tree in the beech family known by the common names golden chinquapin, giant chinquapin, and western chinquapin. It is native to the Pacific coast of the United States.

<i>Quercus hypoleucoides</i> Species of oak tree

Quercus hypoleucoides, the silverleaf oak or the whiteleaf oak, is a North American species of oak tree or shrub. It grows in the southwestern United States and northern Mexico.

References

  1. 1 2 3 4 5 6 Tesky, Julie L. 1994. Ostrya knowltonii. Archived 2011-12-31 at the Wayback Machine In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.
  2. 1 2 3 Ostrya knowltonii. Archived 2012-10-21 at the Wayback Machine Flora of North America.
  3. Ostrya knowltonii. The Nature Conservancy.