[[Berkas:Monoecy dioecy en.svg|jmpl|459x459px|Jenis mekanisme Ddasar penyerbukan pada bunga]]
'''DioeciousDwirumah''' dalam ilmu botani (tanaman berumah dua) adalah sebutan untuk pohon dengan "jantan" dan "betina" terpisah pada pohon yang berbeda.<ref name = “kew”> {{cite web|url=http://www.kew.org/Glossary/dioecious.htm?prefix=d |title=dioecious - Kew glossary |accessdate=4 May 2014 |url-status=dead |archiveurl=https://web.archive.org/web/20140505002541/http://www.kew.org/Glossary/dioecious.htm?prefix=d |archivedate=5 May 2014 }}</ref><ref name=Hick01>{{Cite book|last=Hickey |first=M. |last2=King |first2=C. |year=2001 |title=The Cambridge Illustrated Glossary of Botanical Terms |publisher=Cambridge University Press |lastauthoramp=yes}}</ref> Reproduksi dioeciousdwirumah adalah reproduksi biparental, dioecious merupakan [[alogami]] (persilangan) dan tidak termasuk [[autogami]]<ref name=Charlesworth>{{cite journal |vauthors=Charlesworth D, Willis JH |title=The genetics of inbreeding depression |journal=Nat. Rev. Genet. |volume=10 |issue=11 |pages=783–96 |year=2009 |pmid=19834483 |doi=10.1038/nrg2664 |url=}}</ref>
== Etimologi ==
Baris 6:
== Tanaman dioecious ==
Sekitar 6 % dari spesies [[angiospermae]] merupakan dioecious dan sekitar 7% dari genera angiospermae merupakan spesies diocious <ref name="Renner & Ricklefs">{{cite journal|author1=Renner, S. S. |author2=R. E. Ricklefs|year=1995|title=Dioecy and its correlates in the flowering plants|journal=American Journal of Botany|volume=82|issue=5|pages=596–606|doi=10.2307/2445418|jstor=2445418|url=https://epub.ub.uni-muenchen.de/14619/}}</ref> Contoh spesies tanaman dioecious meliputi [[ginkgo]], [[willow|dedalu]], [[cannabis]] dan [[Miliciapohon excelsa|Africanjati teak]]Afrika.
DioeciousDwirumah terdapat di berbagai keluarga tumbuhan. Namun lebih umum pada tanaman kayu <ref>{{citation |authors=Matallana, G.; Wendt, T.; Araujo, D.S.D.; Scarano, F.R. |year=2005 |title=High abundance of dioecious plants in a tropical coastal vegetation |journal=American Journal of Botany |volume=92 |issue=9 |pages=1513–1519 |url=http://www.amjbot.org/content/92/9/1513.abstract |doi=10.3732/ajb.92.9.1513 |pmid=21646169 }}{{Pranala mati|date=November 2021 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> dan spesies [[Heterotrof]].<ref>{{cite journal | author = Nickrent D.L., Musselman L.J. | year = 2004 | title = Introduction to Parasitic Flowering Plants | url = http://www.apsnet.org/edcenter/intropp/pathogengroups/pages/parasiticplants.aspx | journal = The Plant Health Instructor | doi = 10.1094/PHI-I-2004-0330-01 | access-date = 2017-01-10 | archive-url = https://web.archive.org/web/20161005194620/http://www.apsnet.org/edcenter/intropp/pathogengroups/pages/parasiticplants.aspx | archive-date = 2016-10-05 | url-status = dead }}</ref> Ganggang tertentu bersifat dioeciousdwirumah.<ref name="ganggang" >Maggs, C.A. and Hommersand, M.H. 1993. ''Seaweeds of the British Isles Volume 1 Rhodophyta Part 3A Ceramiales''. The Natural History Museum, London. {{ISBN|0-11-310045-0}}</ref>
