View source for Dionaea ← Dionaea You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Dionaea |accepted_authority=Solander ex J. Ellis |publications={{Treatment/Publication |title=St. James’s Chron. Brit. Eve. Post |place=1172: [4]. 1768 |year=1768 }} |common_names=Venus’s-flytrap;flytrap;meadow-clam;tippitiwitchet |basionyms= |synonyms= |hierarchy=Droseraceae;Dionaea |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Droseraceae]]</div><div class="higher-taxon"><small>genus</small>[[Dionaea]]</div></div> |etymology=Greek Dione, mother of Aphrodite, Greek goddess of love and beauty whose Roman name was Venus |volume=Volume 6 |mention_page=page 418, 420 |treatment_page=page 419 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, evergreen; scapes from bulblike rhizomes encased in fleshy petiole bases; leaves persisting, not forming overwintering buds (hibernaculae). <b>Roots</b> adventitious, white, unbranched. <b>Leaves</b>: stipules absent; petiole winged; blade greenish or bright red adaxially, of 2 subreniform, hinged lobes, margins with stout bristles (hinged along midrib, adaxial surfaces with 3 trigger hairs causing lobes to snap shut on prey when properly stimulated). <b>Inflorescences</b> umbel-like cymes. <b>Flowers</b>: petals marcescent, white; stamens (10–)15(–20), distinct; gynoecium 5-carpellate; style 1, not divided; stigma plumose. <b>Capsules</b> ovoid, opening irregularly. <b>Seeds</b> (20–)25(–30). <b>x</b> = 16.</span><!-- -->{{Treatment/Body |distribution=United States;introduced elsewhere. |discussion=<p>Species 1.</p><!-- --><p>Dionaea has been placed in its own family, Dionaeaceae Rafinesque. This is not without merit, as virtually all of its diagnostic features are different from those of Drosera. Molecular analysis places it in the Droseraceae in the narrow sense (K. M. Cameron et al. 2002; S. E. Williams et al. 1994; F. Rivadavia et al. 2003).</p> |tables= |references={{Treatment/Reference |id=hodick1988a |text=Hodick, D. and A. Sievers. 1988. On the mechanism of trap closure of Venus flytrap (Dionaea muscipula Ellis). Planta 179: 32–42. }}{{Treatment/Reference |id=roberts1958a |text=Roberts, P. R. and H. J. Oosting. 1958. Responses of Venus fly trap (Dionaea muscipula) to factors involved in its endemism. Ecol. Monogr. 28: 193–218. }}{{Treatment/Reference |id=williams1982a |text=Williams, S. E. and A. B. Bennett. 1982. Leaf closure in the Venus flytrap: An acid growth response. Science, ser. 2, 218: 1120–1122. }} }}<!-- --><!-- -->{{#Taxon: name=Dionaea |author= |authority=Solander ex J. Ellis |rank=genus |parent rank=family |synonyms= |basionyms= |family=Droseraceae |distribution=United States;introduced elsewhere. |reference=hodick1988a;roberts1958a;williams1982a |publication title=St. James’s Chron. Brit. Eve. Post |publication year=1768 |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V6/V6_793.xml |genus=Dionaea }}<!-- -->[[Category:Treatment]][[Category:Droseraceae]] Templates used on this page: Template:Droseraceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Template:Treatment/Reference (view source) Return to Dionaea.