Kyhosia
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''Kyhosia'' is a monotypic genus of flowering plants in the family
Asteraceae 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 ...
containing the single species ''Kyhosia bolanderi'', which is known by the common names Bolander's madia and kyhosia. This plant was included in genus ''
Madia ''Madia'' is a genus of annual or perennial usually aromatic herbs with yellow flowers, in the tribe Madieae within the family Asteraceae.
'' until 1999, when it was separated and a new genus was created for it. The new genus is named for
UC Davis The University of California, Davis (UC Davis, UCD, or Davis) is a public land-grant research university near Davis, California. Named a Public Ivy, it is the northernmost of the ten campuses of the University of California system. The institut ...
botanist Donald Kyhos.Flora of North America: ''Kyhosia''
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Range

''Kyhosia'' is native to the mountains of
California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
from the
Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily ...
north to the
Klamath Mountains The Klamath Mountains are a rugged and lightly populated mountain range in northwestern California and southwestern Oregon in the western United States. As a mountain system within both the greater Pacific Coast Ranges and the California Coast R ...
, where its distribution extends into southern
Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
. It is a plant of mountain meadows and other moist areas such as streambanks.B. G. Baldwin, 1999. New combinations and new genera in North American tarweeds. Novon. 9: 462-471.
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Description

''Kyhosia'' is a perennial herb which may exceed a meter in height. Its slender stem is bristly and covered in dark-colored, stalked
resin In polymer chemistry and materials science, resin is a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers. Resins are usually mixtures of organic compounds. This article focuses on natu ...
glands In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...
. The bristly linear or lance-shaped leaves may be up to 30 centimeters long; those occurring oppositely along the stem are sometimes fused together at the bases. Those further up the stem are much smaller and alternately arranged. The
inflorescence 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 o ...
is made up of one or more
flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
at the top of the stem. Each head has a bell-shaped involucre of bristly, glandular
phyllaries In botanical terminology, a phyllary, also known an involucral bract or tegule, is a single bract of the involucre of a composite flower. The involucre is the grouping of bracts together. Phyllaries are reduced leaf-like structures that form one or ...
at the base, a center of black-tipped yellow disc florets, and a fringe of 8 to 12 golden ray florets roughly 1 centimeter long. The fruit is a club-shaped
achene An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...
just under a centimeter long; achenes arising from the disc florets have
pappi In Asteraceae, the pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a wind-dispersal mechanism for the seeds. The term is sometimes used for similar s ...
of scales.


References


External links


Jepson Manual Treatment: ''Kyhosia''USDA Plants Profile for ''Kyhosia''Flora of North America: ''Kyhosia bolanderi''UC Photos gallery: ''Kyhosia bolanderi''
{{Taxonbar, from1=Q16079196, from2=Q6450932, from3=Q50846806 Monotypic Asteraceae genera Flora of California Flora of Oregon Flora of the Cascade Range Flora of the Klamath Mountains Flora of the Sierra Nevada (United States) Taxa named by Asa Gray Madieae Flora without expected TNC conservation status