| 词条 | Caladenia dimorpha |
| 释义 |
| name = Spicy caps | image = Caladenia dimorpha.jpg | image_caption = | status_system = | status = | genus = Caladenia | species = dimorpha | authority = Fitzg.[1] | synonyms_ref = [1] | synonyms = Stegostyla dimorpha (Fitzg.) D.L.Jones & M.A.Clem. }} Caladenia dimorpha, commonly known as spicy caps,[1] is a plant in the orchid family Orchidaceae and is endemic to New South Wales. It is an uncommon ground orchid with a single sparsely hairy leaf, and up to three white flowers which often have pinkish markings. DescriptionCaladenia dimorpha is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, sparsely hairy leaf up to {{convert|18|cm|in|sigfig=1|abbr=on}} long and {{convert|5|mm|in|sigfig=1|abbr=on}} wide. Up to three white flowers are borne on a sparsely hairy spike up to {{convert|30|cm|in|sigfig=1|abbr=on}} high and often have pink or purplish markings. The dorsal sepal is about {{convert|15|mm|in|sigfig=1|abbr=on}} long and curves forward, forming a hood over the column. The lateral sepals and petals are up to {{convert|20|mm|in|sigfig=1|abbr=on}} long, with the back surfaces greenish and covered with scattered glandular hairs. The front of the petals and sepals is glabrous. The labellum is broadly egg-shaped, about {{convert|8|mm|in|sigfig=1|abbr=on}} long and mostly white, sometimes with a dark red or purplish tip. The sides of the labellum have thin, finger-like teeth along most of their length. There are four rows of club-shaped, white to yellow calli along the mid-line of the labellum, becoming clumped and purple near its tip. The column has broad wings and red stripes. Flowering occurs from September to October.[1][2]Taxonomy and namingCaladenia dimorpha was first formally described by Robert D. FitzGerald in 1875 and the description was published in Australian Orchids. The type specimen was collected near Bowenfels.[3] The specific epithet (dimorpha) is derived from the Ancient Greek words di meaning "two"[4]{{rp|823}} and morphe meaning "form" or "shape".[4]{{rp|534}} Distribution and habitatThis uncommon caladenia grows in forest in the western part of the Blue Mountains almost to the Victorian border.[1][2] References1. ^1 2 {{cite book|last1=Jones|first1=David L.|title=A complete guide to native orchids of Australia including the island territories|date=2006|publisher=New Holland|location=Frenchs Forest, N.S.W.|isbn=1877069124|page=46}} {{Taxonbar|from=Q9673528}}2. ^1 {{cite web|last1=Bernhardt|first1=Peter|title=Caladenia dimorpha|url=http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Caladenia~dimorpha|publisher=Royal Botanic Gardens, Sydney: plantnet|accessdate=18 January 2017}} 3. ^1 2 {{cite web|title=Caladenia dimorpha|url= https://id.biodiversity.org.au/instance/apni/513122|publisher=APNI|accessdate=18 January 2017}} 4. ^1 {{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.}} 4 : Caladenia|Plants described in 1875|Endemic orchids of Australia|Orchids of New South Wales |
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