Sedum debile

Sedum debile
	Sedum debile flowers
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Saxifragales
Family:	Crassulaceae
Genus:	Sedum
Species:	S. debile
Binomial name
	Sedum debile; S.Watson

Last updated May 08, 2019

Sedum debile, commonly called orpine stonecrop or weakstem stonecrop, is a low growing carpet forming flowering plant species of the genus Sedum in the family Crassulaceae.

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 64 orders, 416 families, approximately 13,164 known genera and c. 369,000 known species. Like gymnosperms, angiosperms are seed-producing plants. However, they are distinguished from gymnosperms by characteristics including flowers, endosperm within the seeds, and the production of fruits that contain the seeds. Etymologically, angiosperm means a plant that produces seeds within an enclosure; in other words, a fruiting plant. The term comes from the Greek words angeion and sperma ("seed").

Sedum is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops. The genus has been described as containing up to 600 species updated to 470. They are leaf succulents found primarily in the Northern Hemisphere, but extending into the southern hemisphere in Africa and South America. The plants vary from annual and creeping herbs to shrubs. The plants have water-storing leaves. The flowers usually have five petals, seldom four or six. There are typically twice as many stamens as petals.

The Crassulaceae, also known as the stonecrop family or the orpine family, are a family of dicotyledons with succulent leaves. They are generally herbaceous but there are some subshrubs, and relatively few treelike or aquatic plants. They are found worldwide, but mostly occur in the Northern Hemisphere and southern Africa, typically in dry and/or cold areas where water may be scarce. The family includes approximately 1400 species and 34 or 35 genera., although the number of genera is disputed and depends strongly on the circumscription of Sedum.

Description and distribution

The species' pedicels are long while the stems are slender and weak with round and flat leaves and yellow colored flowers.^[1]

A pedicel is a stem that attaches a single flower to the inflorescence. In the absence of a pedicel, the flowers are described as sessile. Pedicel is also applied to the stem of the infructescence. The word "pedicel" is derived from the latin pediculus, meaning "little foot".

A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem. The leaves and stem together form the shoot. Leaves are collectively referred to as foliage, as in "autumn foliage".

The flowers of C. debile have sepals which are pale green and glaucous in color. The lanceolate and equal leaves are 2–4.2 by 1.3–2 millimetres (0.079 in–0.165 in × 0.051 in–0.079 in). Pedicels are 1.2 millimetres (0.047 in) long while the leaves on them are 4.2–7.2 by 2.8–4.3 millimetres (0.17 in–0.28 in × 0.11 in–0.17 in). The apex, while obtuse is also emarginated.^[2]

A sepal is a part of the flower of angiosperms. Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom. The term sepalum was coined by Noël Martin Joseph de Necker in 1790, and derived from the Greek σκεπη (skepi), a covering.

Glaucous is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the glaucous gull, glaucous-winged gull, glaucous macaw, and glaucous tanager.

The species flowers during summer months and can be found on elevation of 1,500–3,500 metres (4,900–11,500 ft) in states such as Idaho, Montana, Nevada, New Mexico, Oregon, Utah and Wyoming.^[2]

Idaho is a state in the northwestern region of the United States. It borders the state of Montana to the east and northeast, Wyoming to the east, Nevada and Utah to the south, and Washington and Oregon to the west. To the north, it shares a small portion of the Canadian border with the province of British Columbia. With a population of approximately 1.7 million and an area of 83,569 square miles (216,440 km²), Idaho is the 14th largest, the 12th least populous and the 7th least densely populated of the 50 U.S. states. The state's capital and largest city is Boise.

Montana is a state in the Northwestern United States. Montana has several nicknames, although none are official, including "Big Sky Country" and "The Treasure State", and slogans that include "Land of the Shining Mountains" and more recently "The Last Best Place".

Nevada is a state in the Western United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast and Utah to the east. Nevada is the 7th most extensive, the 32nd most populous, but the 9th least densely populated of the U.S. states. Nearly three-quarters of Nevada's people live in Clark County, which contains the Las Vegas–Paradise metropolitan area where three of the state's four largest incorporated cities are located. Nevada's capital, however, is Carson City.

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Sedum spathulifolium is a species of flowering plant in the stonecrop family known by the common names broadleaf stonecrop and Colorado stonecrop. An evergreen perennial, it is native to western North America from British Columbia to southern California, where it can be found in many types of rocky habitat in coastal and inland hills and mountains.

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Oplismenus compositus, the running mountaingrass, is a species of perennial plant from the family Poaceae that can be found throughout Asia, Africa, Australia, South America, Mexico and Hawaii.

Melica uniflora, commonly known as wood melick, is a species of grass in the family Poaceae that is native to much of Europe, and to parts of South West Asia and North Africa.

Melica turczaninowiana, is a species of grass found in Mongolia, North Korea, Russia (Siberia), and China.

Melica yajiangensis, is a species of grass that is endemic to China.

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Melica porteri, known as Porter's melicgrass, is a species of grass that grows in the United States and Mexico. In the US it is found in Arizona, Colorado, Kansas, New Mexico, Texas, Utah, and Iowa.

Melica scaberrima, is a species of grass that can be found in Yunnan, China, Nepal, Pakistan and northern part of India.

Melica schuetzeana is species of grass in the Poaceae family that is found in Bhutan and in the Chinese provinces Qinghai, Sichuan and Yunnan. It was first described in 1972 by Werner Hempel.

Melica eligulata is a species of grass that is endemic to western parts of Asia.

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Agrostis vinealis is a species of grass known by the common names brown bentgrass and brown bent, which can be found from Russia to Mongolia, into China and even Pakistan, and India. It was introduced to Greenland and Alaska.

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Coronilla minima is a species of flowering plant from the Fabaceae family that can be found in Eastern and Central Spain. The plant stems are 5–60 centimetres (2.0–23.6 in) long and are erect. Leaves grow in 2-4 pairs and are 0.8–2.2 millimetres (0.031–0.087 in) long and membranous with 1.2–20 millimetres (0.047–0.787 in) by 0.8–7 millimetres (0.031–0.276 in) long obovate and spatulate leaflets.

Sedum villosum, known as the hairy stonecrop or purple stonecrop, is a biennial to perennial flowering plant. Its leaves, which are 3–8 mm (0.1–0.3 in) long and may be reddish in colour, are generally covered with hairs, although S. villosum var. glabratum may have hairless leaves. Indidual flowers have five pink petals, each up to 5 mm (0.2 in) long.

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References

↑ Garrett, Albert Osbun (1912). Spring Flora of the Wasatch Region (2nd ed.). p. 50.
1 2 Sedum debile. 8. Flora of North America. p. 201.

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[1] Garrett, Albert Osbun (1912). Spring Flora of the Wasatch Region (2nd ed.). p. 50.

[fna-2] 1 2 Sedum debile. 8. Flora of North America. p. 201.

Sedum debile

Sedum debile flowers
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Saxifragales
Family:	Crassulaceae
Genus:	Sedum
Species:	S. debile
Binomial name
*Sedum debile* S.Watson