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・ Calymmanthium
・ Calx-beta motif
・ Calxeda
・ Calybe
・ Calybe (genus)
・ Calybites
・ Calybites hauderi
・ Calybites lepidella
・ Calybites phasianipennella
・ Calybites quadrisignella
・ Calybites securinella
・ Calybites trimaculata
・ Calybitia
・ Calybium and cupule
・ Calybute Downing
Calycadenia
・ Calycadenia fremontii
・ Calycadenia hooveri
・ Calycadenia micrantha
・ Calycadenia mollis
・ Calycadenia multiglandulosa
・ Calycadenia oppositifolia
・ Calycadenia pauciflora
・ Calycadenia spicata
・ Calycadenia truncata
・ Calycadenia villosa
・ Calycanthaceae
・ Calycanthus
・ Calyce (genus)
・ Calyce (mythology)


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Calycadenia : ウィキペディア英語版
Calycadenia

''Calycadenia'' is a genus of flowering plants in the aster family, Asteraceae,〔(Candolle, Augustin Pyramus de. 1836. Prodromus systematis naturalis regni vegetabilis, sive, Enumeratio contracta ordinum generum specierumque plantarum huc usque cognitarium, juxta methodi naturalis, normas digesta 5: 695 ) in Latin〕〔(Tropicos, ''Calycadenia'' DC. )〕 known commonly as the western rosinweeds.〔(''Calycadenia''. ) Integrated Taxonomic Information System (ITIS).〕 They are native to California, especially around the Central Valley.〔Carr, G. (''Calycadenia''. ) Department of Botany. University of Hawaiʻi at Mānoa.〕 The ranges of two species ''(C. fremontii + C. truncata)'' do extend north into Oregon.〔(''Calycadenia''. ) The Jepson eFlora 2013.〕〔(Biota of North America Program 2013 county distribution maps )〕
==Description==
These are annual herbs variable in size from just a few centimeters tall to well over one meter. They are aromatic. The leaves are alternately arranged except in ''C. oppositifolia'', in which they are opposite. The leaves are narrow and linear in shape, resembling grass leaves. They sometimes have slightly toothed edges. Flower heads are solitary or borne in open arrays or clusters in the leaf axils. The peduncles that hold the flower heads have bracts with one or more tack-shaped glands. The head usually has one or more phyllaries stuck to the ray florets; these often have similar tack-shaped glands. There are one to six ray florets on the head, each with 3 lobes at the tip. They are white, cream, pink, or yellow, and some have a dark red spot near the base. There are up to 25 disc florets in shades of white, cream, pink, or yellow, with anthers that are usually purple or black, sometimes yellow or brown. The fruit is an angular cypsela. Fruits from the disc flowers usually have pappi made up of several scales.〔〔〔(''Calycadenia''. ) Flora of North America.〕
The gland-dotted bracts on the peduncles are a distinguishing character of the genus.〔 The name ''Calycadenia'' comes from the Greek ''calyx'' ("cup") and ''aden'' ("gland"), and references the tack-shaped glands on these bracts and the phyllaries.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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