Pityopsis graminifolia

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Pityopsis graminifolia
Pityopsis graminifolia.jpg
Status TNC G5.svg
Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Genus: Pityopsis
Species:P. graminifolia
Binomial name
Pityopsis graminifolia
(Michx.) Nutt.
Synonyms

Chrysopsis graminifolia
Heterotheca graminifolia

Pityopsis graminifolia is a species of flowering plant in the aster family known by the common name narrowleaf silkgrass. It is native to the southeastern United States, occurring as far north as Ohio and Maryland. [1]

Asteraceae Family of plants

Asteraceae or Compositae is a very large and widespread family of flowering plants (Angiospermae).

Ohio State of the United States of America

Ohio is a Midwestern state in the Great Lakes region of the United States. Of the fifty states, it is the 34th largest by area, the seventh most populous, and the tenth most densely populated. The state's capital and largest city is Columbus.

Maryland State of the United States of America

Maryland is a state in the Mid-Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east. The state's largest city is Baltimore, and its capital is Annapolis. Among its occasional nicknames are Old Line State, the Free State, and the Chesapeake Bay State. It is named after the English queen Henrietta Maria, known in England as Queen Mary.

Despite its common name, the plant is not a grass. It is a rhizomatous perennial herb growing up to 80 centimeters tall with green or brown stems covered in silvery hairs. The leaves are grasslike, linear to lance-shaped with silvery hairs. The inflorescence contains a few to over a hundred flower heads which contain yellow ray and disc florets. This species can be quite variable and some authors divide it into several varieties. [2]

Poaceae family of plants

Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses, commonly referred to collectively as grass. Poaceae includes the cereal grasses, bamboos and the grasses of natural grassland and cultivated lawns and pasture. Grasses have stems that are hollow except at the nodes and narrow alternate leaves borne in two ranks. The lower part of each leaf encloses the stem, forming a leaf-sheath. With around 780 genera and around 12,000 species, Poaceae are the fifth-largest plant family, following the Asteraceae, Orchidaceae, Fabaceae and Rubiaceae.

Rhizome modified subterranean stem of a plant

In botany and dendrology, a rhizome is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow horizontally. The rhizome also retains the ability to allow new shoots to grow upwards.

Inflorescence Term used in botany to describe a cluster of flowers

An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed. The modifications can involve the length and the nature of the internodes and the phyllotaxis, as well as variations in the proportions, compressions, swellings, adnations, connations and reduction of main and secondary axes. Inflorescence can also be defined as the reproductive portion of a plant that bears a cluster of flowers in a specific pattern.

This plant is used as an ornamental and for vegetating roadsides and other disturbed habitat. It can be used in xeriscaping. It can help control erosion. It can reproduce by seed and it can form large colonies by spreading via its rhizomes. [3]

Ornamental plant plant that is grown for decorative purposes

Ornamental plants are plants that are grown for decorative purposes in gardens and landscape design projects, as houseplants, cut flowers and specimen display. The cultivation of ornamental plants is called floriculture, which forms a major branch of horticulture.

Xeriscaping Xeriscaping

Xeriscaping is the process of landscaping or gardening that reduces or eliminates the need for supplemental water from irrigation. It is promoted in regions that do not have accessible, plentiful, or reliable supplies of fresh water, and is gaining acceptance in other regions as access to irrigation water is becoming limited. Xeriscaping may be an alternative to various types of traditional gardening.

Erosion Processes which remove soil and rock from one place on the Earths crust, then transport it to another location where it is deposited

In earth science, erosion is the action of surface processes that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice (glaciers), snow, air (wind), plants, animals, and humans. In accordance with these agents, erosion is sometimes divided into water erosion, glacial erosion, snow erosion, wind (aeolic) erosion, zoogenic erosion, and anthropogenic erosion. The particulate breakdown of rock or soil into clastic sediment is referred to as physical or mechanical erosion; this contrasts with chemical erosion, where soil or rock material is removed from an area by its dissolving into a solvent, followed by the flow away of that solution. Eroded sediment or solutes may be transported just a few millimetres, or for thousands of kilometres.

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<i>Euthamia occidentalis</i> species of plant

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<i>Euthamia graminifolia</i> species of plant

Euthamia graminifolia is a North American species of plants in the daisy family.

<i>Acmispon argophyllus</i> species of plant

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Pityopsis genus of plants

Pityopsis is a genus of North American plants in the aster tribe within the sunflower family. Species of Pityopsis are known by the common names silkgrass or golden asters or grass-leaved goldenasters.

  1. Pityopsis aspera(Shuttlw. ex A.Gray) Small – Pineland silkgrass - LA MS AL GA FL SC NC VA TN
  2. Pityopsis falcata(Pursh) Nutt. – Sickleleaf silkgrass - ONT NY MA CT RI NJ FL
  3. Pityopsis flexuosa(Nash) Small – Zigzag silkgrass - FL
  4. Pityopsis graminifolia(Michx.) Nutt. – Narrowleaf silkgrass - Bahamas, Belize, Honduras, Chiapas, Oaxaca, Veracruz, Tamaulipas, United States
  5. Pityopsis microcephala(Small) Small - FL SC TX
  6. Pityopsis oligantha(Chapm. ex Torr. & A.Gray) Small – Grassleaf goldaster - USA
  7. Pityopsis pinifolia(Elliott) Nutt. – Taylor County goldaster - USA
  8. Pityopsis ruthii(Small) Small – Ruth's golden Aster - TN
<i>Deparia acrostichoides</i> species of plant

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<i>Senecio spartioides</i> species of plant

Senecio spartioides is a species of flowering plant in the aster family known by the common name broom-like ragwort. It is native to the western United States as far east as the Dakotas and Texas, and northern Mexico. It can be found in dry, rocky, often disturbed areas in a number of habitat types. It is a subshrub which can exceed a meter in height, its arching stems growing from a woody-topped taproot. The leaves are linear in shape and up to 10 centimeters long. The leaves usually have smooth, unlobed edges, but slightly lobed leaves are seen at times. The leaves are evenly distributed along the stems, the ones low on the stems withering away early, giving the plant a naked appearance on the lower half while the top is still lush green and blooming. The inflorescences are spreading, flat-topped arrays of many cylindrical flower heads. The heads contain yellow disc florets and generally either 5 or 8 ray florets each about a centimeter long.

<i>Vicia benghalensis</i> species of plant

Vicia benghalensis is a species of vetch known by the common names purple vetch and reddish tufted vetch. It is native to southern Europe, North Africa, and nearby islands, and it is utilized elsewhere in agriculture and may be present in the wild as an introduced species. It is an annual herb with a climbing stem which is coated in hairs, often densely, making the plant appear silvery white. Each leaf is made up of several pairs of elongated leaflets which measure up to 3 centimeters in length. The inflorescence is a one-side raceme of several dark reddish purple flowers. Each flower has a densely hairy calyx of sepals and a tubular corolla between one and two centimeters in length. The fruit is a flat, hairy legume pod up to 3.5 centimeters long containing multiple seeds.

<i>Astragalus desereticus</i> species of plant

Astragalus desereticus is a rare species of milkvetch known by the common name deseret milkvetch. It is endemic to Utah County, Utah, where it is known from only one population. It was thought to be extinct until 1981, when this population was discovered. The population contains 5,000 to 10,000 plants on an area of land covering less than 300 acres. It is vulnerable to damage from grazing cattle, which eat the plant and trample the soil, and from development and erosion. This is a federally listed threatened species.

Cryptantha crassipes is a rare species of flowering plant in the borage family known by the common name Terlingua Creek cat's-eye. It is endemic to Brewster County, Texas, where it is known from only ten populations totaling about 5000 plants. All of the occurrences are within a ten-kilometer radius. This is a federally listed endangered species.

<i>Pityopsis ruthii</i> species of plant

Pityopsis ruthii is a rare species of flowering plant in the aster family known by the common name Ruth's golden aster. It is endemic to the US state of Tennessee, where it is known only from Polk County. It is threatened by the modification of its habitat. It is a federally listed endangered species.

<i>Artemisia frigida</i> species of plant

Artemisia frigida is a widespread species of flowering plant in the aster family, which is known as the sunflower family. It is native to Europe, Asia, and much of North America. In parts of the north-central and northeastern United States it is an introduced species.

Physaria parviflora is a species of flowering plant in the mustard family known by the common names Piceance bladderpod and frosty bladderpod. It is endemic to Colorado in the United States, where it occurs in Garfield, Mesa, and Rio Blanco Counties.

<i>Lespedeza capitata</i> species of plant

Lespedeza capitata is a species of flowering plant in the Fabaceae, or legume family, and is known by the common name roundhead bushclover, or roundhead lespedeza. It is native to eastern North America, including eastern Canada and the eastern half of the United States.

Astragalus anisus is a species of flowering plant in the legume family known by the common name Gunnison milkvetch. It is endemic to Colorado in the United States, where it is limited to the Gunnison Basin of Gunnison and Saguache Counties.

<i>Physaria thamnophila</i> flower in the mustard family

Physaria thamnophila is a rare species of flowering plant in the mustard family known by the common name Zapata bladderpod. It is native to Texas in the United States, where it is known from Zapata and Starr Counties. The plant is threatened by the loss and degradation of its habitat. It is federally listed as an endangered species.

<i>Marshallia graminifolia</i> species of plant

Marshallia graminifolia is a perennial herb species, endemic to the coastal plains of the Southern United States, where it often grows in bogs and in sunny locations. Like all species in the genus Marshallia, it has the common name Barbara's buttons, and is specifically known as grassleaf Barbara's buttons.

<i>Pityopsis falcata</i> species of plant

Pityopsis falcata, common names sickleleaf silkgrass and sickle-leaved golden aster, is perennial species of flowering plant in the aster family that is native to the United States and has been introduced to Canada.

References

  1. ↑ Pityopsis graminifolia. NatureServe.
  2. ↑ Pityopsis graminifolia. Flora of North America.
  3. ↑ Pityopsis graminifolia. USDA NRCS Plant Fact Sheet.
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