View source for Ricinus

{{Treatment/ID
|accepted_name=Ricinus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 1007. 1753
|year=1753
}}
|common_names=Castor bean;castor oil plant
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Euphorbiaceae;Ricinus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Euphorbiaceae]]</div><div class="higher-taxon"><small>genus</small>[[Ricinus]]</div></div>
|etymology=Latin, tick or louse, alluding to appearance of seeds
|volume=Volume 12
|mention_page=page 157, 159
|treatment_page=page 160
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism duration;whole_organism reproduction;whole_organism growth form"><b>Herbs </b>[shrubs], annual or perennial, monoecious;</span> <span class="statement" id="st-d0_s1" data-properties="hair presence">hairs absent;</span> <span class="statement" id="st-d0_s2" data-properties="latex presence">latex absent.</span> <span class="statement" id="st-d0_s3" data-properties="leaf duration;leaf arrangement;leaf architecture"><b>Leaves </b>deciduous, alternate, simple;</span> <span class="statement" id="st-d0_s4" data-properties="stipule presence;stipule duration">stipules present, caducous;</span> <span class="statement" id="st-d0_s5" data-properties="petiole presence;gland presence">petiole present, glands present at apex and usually proximally;</span> <span class="statement" id="st-d0_s6" data-properties="blade shape;margin architecture or shape">blade palmately lobed, margins serrate, laminar glands present;</span> <span class="statement" id="st-d0_s7" data-properties="laminar gland presence;laminar gland architecture">venation palmate.</span> <span class="statement" id="st-d0_s8" data-properties="inflorescence reproduction;inflorescence architecture;inflorescence position;inflorescence position;thyrse shape"><b>Inflorescences </b>bisexual (staminate flowers proximal, pistillate distal) or pistillate, terminal or leaf-opposed, racemelike thyrses;</span> <span class="statement" id="st-d0_s9" data-properties="gland position;bract quantity">glands subtending each bract 2.</span> <span class="statement" id="st-d0_s10" data-properties="pedicel presence"><b>Pedicels </b>present.</span> <span class="statement" id="st-d0_s11" data-properties="flower architecture;sepal quantity;sepal arrangement or dehiscence;sepal fusion"><b>Staminate </b>flowers: sepals 3–5, valvate, connate basally;</span> <span class="statement" id="st-d0_s12" data-properties="flower architecture;petal presence">petals 0;</span> <span class="statement" id="st-d0_s13" data-properties="flower architecture;nectary presence">nectary absent;</span> <span class="statement" id="st-d0_s14" data-properties="flower architecture;stamen quantity;stamen fusion;column quantity;column size;column architecture">stamens to 1000, connate proximally in numerous slender, irregularly branched columns;</span> <span class="statement" id="st-d0_s15" data-properties="flower architecture;pistillode presence">pistillode absent.</span> <span class="statement" id="st-d0_s16" data-properties="flower architecture;sepal quantity;sepal fusion;sepal fusion"><b>Pistillate </b>flowers: sepals 5, distinct or connate basally;</span> <span class="statement" id="st-d0_s17" data-properties="flower architecture;petal presence">petals 0;</span> <span class="statement" id="st-d0_s18" data-properties="flower architecture;nectary presence">nectary absent;</span> <span class="statement" id="st-d0_s19" data-properties="flower architecture;pistil architecture">pistil 3-carpellate;</span> <span class="statement" id="st-d0_s20" data-properties="flower architecture;style quantity;style fusion;style fusion;style shape">styles 3, distinct or slightly connate basally, 2-fid.</span> <span class="statement" id="st-d0_s21" data-properties=""><b>Fruits </b>capsules.</span> <span class="statement" id="st-d0_s22" data-properties="seed shape;seed shape"><b>Seeds </b>ovoid or ovoid-ellipsoid;</span> <span class="statement" id="st-d0_s23" data-properties="">caruncle present.</span> <span class="statement" id="st-d0_s24" data-properties="caruncle presence;x chromosome quantity">x = 10.</span><!--

-->{{Treatment/Body
|distribution=ne Africa;widely cultivated and often naturalized in tropical;subtropical;and warm temperate regions worldwide
|introduced=true
|discussion=<p>Species 1.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ricinus
|author=Lynn J. Gillespie
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Euphorbiaceae
|illustrator=Yevonn Wilson-Ramsey
|illustration copyright=Flora of North America Association
|distribution=ne Africa;widely cultivated and often naturalized in tropical;subtropical;and warm temperate regions worldwide
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V12/V12_236.xml
|genus=Ricinus
|blade shape=lobed
|bract quantity=2
|caruncle presence=absent
|column architecture=branched
|column quantity=numerous
|column size=slender
|flower architecture=pistillate;pistillate;pistillate;pistillate;pistillate;staminate;staminate;staminate;staminate;staminate
|gland position=subtending
|gland presence=absent
|hair presence=absent
|inflorescence architecture=pistillate
|inflorescence position=leaf-opposed;terminal
|inflorescence reproduction=bisexual
|laminar gland architecture=palmate
|laminar gland presence=absent
|latex presence=absent
|leaf architecture=simple
|leaf arrangement=alternate
|leaf duration=deciduous
|margin architecture or shape=serrate
|nectary presence=absent;absent
|pedicel presence=absent
|petal presence=absent;absent
|petiole presence=absent
|pistil architecture=3-carpellate
|pistillode presence=absent
|seed shape=ovoid-ellipsoid;ovoid
|sepal arrangement or dehiscence=valvate
|sepal fusion=connate;distinct;connate
|sepal quantity=5;3;5
|stamen fusion=connate
|stamen quantity=0;1000
|stipule duration=caducous
|stipule presence=absent
|style fusion=connate;distinct
|style quantity=3
|style shape=2-fid
|thyrse shape=racemelike
|whole_organism duration=perennial;annual
|whole_organism growth form=herb
|whole_organism reproduction=monoecious
|x chromosome quantity=10
}}<!--

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