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Hemizonia
''Hemizonia'' is a genus of plants in the family Asteraceae. They are known generally as tarweeds, although some tarweeds belong to other genera, such as ''Madia'' and ''Deinandra''. Furthermore, ''Hemizonia'' is currently being revised; some species may be segregated into new genera. Range The ''Hemizonia'' tarweeds are native to southwestern North America, especially California. Description ''Hemizonia'' are usually sticky, aromatic, yellow-flowered annual plants which are hardy and competitive, especially in the dry Mediterranean climate of California. Selected species * '' Hemizonia arida'' — Red Rock tarweed * '' Hemizonia clementina'' — Catalina tarweed; Santa Catalina Island, Channel Islands * ''Hemizonia congesta'' — hayfield tarweed; Central Valley (California), California Coast Ranges, SW Oregon * ''Hemizonia conjugens— Deinandra conjugens'' — Otay tarweed; Otay Mesa area, San Diego. * ''Hemizonia fasciculata— Deinandra fasciculata'' — clustered tarwee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemizonia Frutescens
''Hemizonia'' is a genus of plants in the family Asteraceae. They are known generally as tarweeds, although some tarweeds belong to other genera, such as '' Madia'' and ''Deinandra''. Furthermore, ''Hemizonia'' is currently being revised; some species may be segregated into new genera. Range The ''Hemizonia'' tarweeds are native to southwestern North America, especially California. Description ''Hemizonia'' are usually sticky, aromatic, yellow-flowered annual plants which are hardy and competitive, especially in the dry Mediterranean climate of California. Selected species * '' Hemizonia arida'' — Red Rock tarweed * '' Hemizonia clementina'' — Catalina tarweed; Santa Catalina Island, Channel Islands * ''Hemizonia congesta'' — hayfield tarweed; Central Valley (California), California Coast Ranges, SW Oregon * ''Hemizonia conjugens—Deinandra conjugens'' — Otay tarweed; Otay Mesa area, San Diego. * ''Hemizonia fasciculata—Deinandra fasciculata'' — clustered tarwe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemizonia Floribunda
''Hemizonia'' is a genus of plants in the family Asteraceae. They are known generally as tarweeds, although some tarweeds belong to other genera, such as '' Madia'' and ''Deinandra''. Furthermore, ''Hemizonia'' is currently being revised; some species may be segregated into new genera. Range The ''Hemizonia'' tarweeds are native to southwestern North America, especially California. Description ''Hemizonia'' are usually sticky, aromatic, yellow-flowered annual plants which are hardy and competitive, especially in the dry Mediterranean climate of California. Selected species * '' Hemizonia arida'' — Red Rock tarweed * '' Hemizonia clementina'' — Catalina tarweed; Santa Catalina Island, Channel Islands * ''Hemizonia congesta'' — hayfield tarweed; Central Valley (California), California Coast Ranges, SW Oregon * ''Hemizonia conjugens—Deinandra conjugens'' — Otay tarweed; Otay Mesa area, San Diego. * ''Hemizonia fasciculata—Deinandra fasciculata'' — clustered tarwe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemizonia Congesta
''Hemizonia congesta'', known by the common name hayfield tarweed, is a species of flowering plant in the family Asteraceae, native to western North America. Description ''Hemizonia congesta'' is a spindly, thin-stemmed annual herb growing erect to in height. Like other tarweeds the stem and foliage are glandular and have an odor reminiscent of tar. Most of the long, narrow, pointed leaves are located on the lower portion of the stem below the branching flower stalks. The inflorescences are covered in glandular hairs and hold daisy-like Head (botany), flower heads. Each head has a center of yellowish dark-tipped disc florets and a fringe of bright yellow to white ray florets, often with purplish striping on the undersides. The ray florets are toothed or lobed on the tips, with the middle tooth thinner than the others. Subspecies There are many ''Hemizonia congesta'' subspecies, which can vary in appearance. They include: *''Hemizonia congesta'' subsp. ''calyculata'' — Mendo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deinandra Fasciculata
''Deinandra fasciculata'' (syn: ''Hemizonia fasciculata''), known by the common names clustered tarweed and fascicled spikeweed, is a species of flowering plant in the family Asteraceae native to western North America.Jepson eFlora: ''Hemizonia fasciculata'' . accessed 4.16.2015 Range ''Deinandra fasciculata'' is native to and (primarily from to |
Deinandra Conjugens
''Deinandra conjugens'' (syn. ''Hemizonia conjugens'') is a rare species of flowering plant in the family Asteraceae known by the common names Otay tarplant and Otay tarweed. It is native to a small section of far northern Baja California in Mexico, its range extending north into San Diego County, California, in the United States. One isolated population has been reported from the hills east of Cayucos in San Luis Obispo County. ''Deinandra conjugens'' is threatened by habitat destruction and degradation.USFWS''Deinandra conjugens'' Five-year Review.June 2009. It was federally listed as a threatened species in 1998.''Deinandra conjugens''. The Nature Conservancy. Description ''Deinandra conjugens'' is an |
Hemizonia Fitchii
''Centromadia fitchii'', common name Fitch's spikeweed or Fitch's tarweed, is a species of North American plants in the tribe Madieae within the family Asteraceae. It is native to California and southwestern Oregon. ''Centromadia fitchii'' is an herb up to 50 cm (20 inches) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc floret 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 ...s. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemizonia Clementina
''Deinandra clementina'', known by the common name island tarplant, is a species of flowering plant in the family Asteraceae, endemic to the Channel Islands of California. Range ''Deinandra clementina'' is found in all of the Channel Islands except San Miguel and Santa Rosa. Description ''Deinandra clementina'' is a sprawling shrub with a woody base, thick leaves and small yellow flowers. It forms thick mats scattered in coastal sage shrub on east and middle Anacapa Island where its acid-green foliage is conspicuous from a distance.Natural History of the Islands of California, Allan A. Schoenherr, C. Robert Feldmeth, and Michael J. Emerson, California Natural History Guides, University of California Press, Berkeley 94720, 1999, References *C.Michael Hogan, ed; 2010Encyclopedia of Life; ''Hemizonia congesta'' overview.* External links Calflora Database: ''Deinandra clementina'' (Island tarplant)— ''formerly Hemizonia clementina''.U.C. Photos gallery: ''Deinandra clementi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemizonia Greeneana
''Deinandra greeneana'' is a rare North American species of plants in the tribe Madieae within the family Asteraceae. ''Deinandra greeneana'' has been found only in the state of Baja California in northwestern Mexico. The species was thought for many years to be restricted to Guadalupe Island, 400 km (150 miles) west of the mainland, but it was later discovered on the Pacific Coast of the Baja California Peninsula southwest of Ensenada.Moran, Reid Venable 1968. Transactions of the San Diego Society of Natural History 15: 286–289 in |
Hemizonia Arida
''Deiandra arida'' (formerly ''Hemizonia arida''), also called Red Rock tarplant, is a rare California annual plant in the family Asteraceae.Mojave Desert Wildflowers, Pam MacKay, 2nd Ed. 2013, p. 189 Habitat and range ''Deiandra arida'' occurs on clay and volcanic soils and in desert dry wash from 1,000-3,000 feet (300–900 m) in elevation. It is known from only 10 sites in the Red Rock Canyon State Park area of the Mojave Desert in Kern County, California. Growth pattern It is a branched annual growing from 1' to 3' (30–90 cm) tall. Leaves and stems Lower leaves are inversely lanceolate and hairless, with toothed margins. Upper leaves are without teeth ( entire) at the outside edge, and are covered in sparse, short, stiff hairs, giving it a bristly feel. Flowers and fruits Flower heads grow in flat-topped clusters at the tops of stems. Flower heads have 18-25 yellow disk flowers, with 5-10 yellow ray flowers. Bristly phyllaries halfway enclose the akene ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deinandra
''Deinandra'' is a genus of flowering plants in the tribe Madieae within the family Asteraceae. Such a genus is not recognized as distinct by all authorities; its species are often treated as members of the genus '' Hemizonia''. Distribution ''Deinandra'' plants are native to the Western United States (California and Arizona); and northwest Mexico (Baja California and Baja California Sur). Species The following species are accepted in the genus ''Deinandra'': * '' Deinandra arida'' - Red Rock tarweed - Kern County, California * '' Deinandra bacigalupii'' - Livermore tarweed - Alameda County, California * '' Deinandra clementina'' - California * '' Deinandra conjugens'' - Otay tarweed: Otay Mesa area in San Diego County, California and Baja California * '' Deinandra corymbosa'' - California from Santa Barbara County to Humboldt County * '' Deinandra fasciculata'' - clustered tarweed: southern California and Baja California * '' Deinandra floribunda'' - California and Baja Calif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deinandra Increscens
''Deinandra increscens'' is a species of flowering plant in the family Asteraceae known by the common name grassland tarweed. It is endemic to California, where it has been found primarily in Monterey, San Luis Obispo and Santa Barbara Counties (including Santa Cruz and Santa Rosa Islands). A few isolated populations have been reported from Kern and Merced Counties, but these are from urban areas (Cities of Merced and Bakersfield) and probably represent cultivated specimens. ''Deinandra increscens'' is an annual up to 100 cm (40 inches) tall. It has numerous flower heads, often tightly clumped together, each with yellow ray florets and disc florets with yellow corollas but red or purple anthers. ;Subspecies *''Deinandra increscens'' subsp. ''increscens'' grows along the California Central Coast and the coastal mountain ranges. *''Deinandra increscens'' subsp. ''villosa'' (Gaviota tarweed) is a rare and endangered subspeciesUSFWSFinal rule for endangered status for four ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madieae
Madieae is a tribe of flowering plants in the family Asteraceae. It is sometimes considered a subtribe of Heliantheae. Notable species include the tarweeds of the Western United States as well as the silverswords of Hawaii. Subtribes and genera Madieae subtribes and genera recognized by the Global Compositae Database as of April 2022: *Subtribe Arnicinae **''Arnica'' *Subtribe Baeriinae **'' Amblyopappus'' **'' Baeriopsis'' **'' Constancea'' **''Eriophyllum'' **''Lasthenia'' **'' Monolopia'' **'' Pseudobahia'' **'' Syntrichopappus'' *Subtribe Hulseinae **'' Eatonella'' **'' Hulsea'' *Subtribe Madiinae **''Achyrachaena'' **'' Adenothamnus'' **'' Anisocarpus'' **''Argyroxiphium'' **'' Blepharipappus'' **'' Blepharizonia'' **'' Calycadenia'' **'' Carlquistia'' **'' Centromadia'' **''Deinandra'' **''Dubautia'' **''Harmonia'' **'' Hemizonella'' **'' Hemizonia'' **'' Holocarpha'' **'' Holozonia'' **'' Jensia'' **''Kyhosia'' **'' Lagophylla'' **'' L ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
