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Chaenactis
''Chaenactis'' is a genus of plants in the daisy family which are known generally as pincushions or dustymaidens. These wildflowers are native to western North America, especially the desert southwest of the United States. They are quite variable in appearance. They are generally aster-like in appearance with many disc florets in each head. There may be only disc florets, but sometimes there are also enlarged ray florets along the edges of the corolla. They may be white to yellow or pink. Species Species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ... include:CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F. References External links Calflora Database: ''Chaenactis'' Taxon Report— ''with species links + images'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Douglasii
''Chaenactis douglasii'' is a North American species of flowering plant in the daisy family known by the common name Douglas' dustymaiden. Description ''Chaenactis douglasii'' is a variable herb, generally a perennial. It grows erect to , with one to many stems coated in cobwebby hairs. The woolly or hairy leaves may be up to long and are divided intricately into many lobes with curled or twisted tips. Stem leaves become smaller and stalkless upwards. The inflorescence produces one or more flower heads, each up to about long. The flower head is lined with flat, glandular, blunt-pointed phyllaries and contains several white or pinkish tubular disc flowers with protruding anthers. The fruit is an achene about long including its pappus of scales. ;Varieties * ''Chaenactis douglasii'' var. ''alpina'' A.Gray * ''Chaenactis douglasii'' var. ''douglasii'' Distribution The plant is found in western Canada and the western United States from British Columbia to Saskatchewan, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Glabriuscula
''Chaenactis glabriuscula'', with the common name yellow pincushion, is a species of flowering plant in the daisy family. It is native to California and Baja California. Distribution and habitat ''Chaenactis glabriuscula'' grows in a wide variety of habitats, such as the Sierra Nevada, the Mojave and Colorado Deserts, and the interior chaparral and woodlands, coastal sage and chaparral, and the montane chaparral and woodlands ecoregions. It is a variable plant, especially across varieties, of which there are many. It is generally found below elevation. Description In general, ''Chaenactis glabriuscula'' is an annual herb producing one or more mainly erect stems approaching 50 cm (20 inches) in maximum height. The branching stems are hairy and often cobwebby with fibers. The leaves are up to about 10 centimeters (4 inches) long, sometimes fleshy, and usually divided into many very small, curling lobes. The inflorescence produces one to twenty or more flower heads on a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Carphoclinia
''Chaenactis carphoclinia'' is a species of flowering plant in the daisy family known by the common name pebble pincushion. It is native to the southwestern United States and northwestern Mexico, where it grows in rocky and gravelly habitat, such as the California deserts. The species is found in southern California, Nevada, Utah, Arizona, southwestern New Mexico, Baja California, Sonora. Description ''Chaenactis carphoclinia'', or pebble pincushion, is an annual herb growing an erect, branching stem up to about 60 centimeters (2 feet) in maximum height. The longest leaves are about 10 centimeters (4 inches) long and are usually divided into a few lobes. The inflorescence bears a few flower heads, each up to a centimeter wide. The head is lined with flat, sharp-pointed phyllaries which are reddish. The head contains several white or pink-tinted flowers with long, protruding anthers. The fruit is an achene a few millimeters in length tipped with a scaly pappus. ;Varieties There a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Fremontii
''Chaenactis fremontii'', with the common names Frémont's pincushion and desert pincushion, is a species of annual wildflower in the daisy family. Both the latter common name, and the specific epithet are chosen in honor of John C. Frémont. Distribution and habitat ''Chaenactis fremontii'' is native to the Southwestern United States and northern Baja California. It grows in sandy and gravelly soils in the deserts and low mountains, such as the Mojave Desert in California and the Sonoran Desert habitats. It is found in California, Baja California, Arizona, Nevada, and southern Utah. Description ''Chaenactis fremontii'' grows in patches of long stems up to long that are green when new and grow reddish with age. They may branch to extend many tall, almost naked stems. The sparse leaves are somewhat fleshy and long and pointed. Atop each erect stem is an inflorescence bearing usually one but sometimes more flower heads, each with plentiful densely packed disc floret ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Artemisiifolia
''Chaenactis artemisiifolia'', with the common name white pincushion, is a species of flowering plant in the daisy family. It is native to the coastal Peninsular Ranges of Southern California and Baja California, in the chaparral and woodlands. Description ''Chaenactis artemisiifolia'' is a robust annual herb producing an erect stem occasionally as tall as two meters-6 feet but usually under one meter-3 feet in height. There is a basal rosette of leaves and sparse leaves along the stem. The leaves are up to about 15 centimeters (6 inches) or more in length and they are divided into many lobes which are further subdivided into smaller, lacy lobes. The leaves and stem are lightly woolly; older plants have thinner coats of hair. The stem branches about midway up and bears several flower heads in a wide open inflorescence. Each head is a hairy hemispheric cup of sharp-tipped phyllaries which can be up to a centimeter long. The flower heads are discoid, containing only disc florets, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Cusickii
''Chaenactis cusickii'' is a North American species of flowering plants in the aster family known by the common name Morning brides or Cusick's pincushion. It has been found only in southeastern Oregon and southwestern Idaho. Description ''Chaenactis cusickii'' is a small perennial rarely more than 15 cm (6 inches) tall. Each branch produces 1-5 (occasionally more) flower heads each containing white or pale pink disc florets but no ray florets The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w .... The species is named for American botanisWilliam Conklin Cusick (1842-1922). References External linksSteens Mountain Wildflowers, Cusicks Pincushion, ''Chaenactis cusickii'' photoPortland State University, Environmental Science and Management Rae Selling Berry Seed Bank & Plant C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenactis Evermannii
''Chaenactis evermannii'' is a North American species of flowering plants in the aster family known by the common name Evermann's pincushion. It is found only at high altitudes in the mountains in the central part of the US State of Idaho.Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1984. Compositae. Part V.: 1–343. In C. L. Hitchcock Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle. Description ''Chaenactis evermannii'' is a small perennial rarely more than 12 cm (5 inches) tall. Each branch produces 1-3 flower heads each containing disc florets but no ray florets. It grows in subalpine, usually decomposing, granitic sand or gravel slopes, ridges, scree, talus, or above conifer forests. The species is named for American ichthyologist Barton Warren Evermann Barton Warren Evermann (October 24, 1853 – September 27, 1932) was an American ichthyologist. Early life and education Evermann was born in Monroe Cou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
