View source for Elaeis ← Elaeis 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=Elaeis |accepted_authority=Jacquin |publications={{Treatment/Publication |title=Selectarum Stirpium Americanarum Historia... |place=280. 1763 |year=1763 }} |common_names=Oil palm |basionyms= |synonyms={{Treatment/ID/Synonym |name=Alfonsia |authority=Kunth |rank=genus }} {{Treatment/ID/Synonym |name=Corozo |authority=Jacquin ex Giseke |rank=genus }} |hierarchy=Arecaceae;Arecaceae subfam. Arecoideae;Arecaceae tribe Cocoeae;Arecaceae (tribe Cocoeae) subtribe Elaeidinae;Elaeis |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Arecaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Arecaceae subfam. Arecoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Arecaceae tribe Cocoeae]]</div><div class="higher-taxon"><small>subtribe</small>[[Arecaceae (tribe Cocoeae) subtribe Elaeidinae]]</div><div class="higher-taxon"><small>genus</small>[[Elaeis]]</div></div> |etymology=Greek elaia, olive, in reference to the oily fruits |volume=Volume 22 |mention_page= |treatment_page=page 121 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="stem architecture or arrangement or growth form;stem orientation;stem fragility;stem pubescence;stem architecture;leaf-base duration"><b>Stems </b>solitary, erect, robust, covered with persistent leaf-bases or bare, unarmed.</span> <span class="statement" id="st-d0_s1" data-properties="crownshaft presence"><b>Leaves:</b> crownshaft absent;</span> <span class="statement" id="st-d0_s2" data-properties="petiole margin architecture;base texture;base texture;base duration">petiole margins armed with lignified, indurate bases of midveins persisting as spines after blade erodes;</span> <span class="statement" id="st-d0_s3" data-properties="blade architecture or shape;blade architecture">blade pinnate, unarmed;</span> <span class="statement" id="st-d0_s4" data-properties="">plication reduplicate;</span> <span class="statement" id="st-d0_s5" data-properties="segment arrangement;plane quantity;apex shape">segments regularly arranged in multiple planes [in 1 plane], apices acute to 2-cleft.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence arrangement;order quantity;leaf-base architecture;leaf-base architecture;leaf-base architecture;leaf-base prominence"><b>Inflorescences </b>within crown of leaves, densely paniculate, with 1 order of branching, either staminate or pistillate, partially obscured by leaf-bases;</span> <span class="statement" id="st-d0_s7" data-properties="peduncle height or length or size">peduncle short;</span> <span class="statement" id="st-d0_s8" data-properties="prophyll height or length or size">prophyll short;</span> <span class="statement" id="st-d0_s9" data-properties="peduncular bract texture;peduncular bract architecture or dehiscence">peduncular bract woody, splitting abaxially;</span> <span class="statement" id="st-d0_s10" data-properties="rachilla width;apex fragility;apex shape">rachillae thick, apices stiff, sharp.</span> <span class="statement" id="st-d0_s11" data-properties="flower reproduction;flower architecture;rachilla arrangement"><b>Flowers </b>unisexual, sessile, borne singly along rachillae.</span> <span class="statement" id="st-d0_s12" data-properties="flower architecture"><b>Staminate </b>flowers in pits in rachillae;</span> <span class="statement" id="st-d0_s13" data-properties="sepal quantity;sepal fusion">sepals 3, free;</span> <span class="statement" id="st-d0_s14" data-properties="petal quantity;petal fusion;petal arrangement or dehiscence;petal texture">petals 3, free, valvate, leathery;</span> <span class="statement" id="st-d0_s15" data-properties="stamen quantity;filament fusion">stamens 6, filaments briefly connate;</span> <span class="statement" id="st-d0_s16" data-properties="anther shape">anthers rectangular;</span> <span class="statement" id="st-d0_s17" data-properties="lobe quantity;lobe size">pistillode with 3 minute lobes.</span> <span class="statement" id="st-d0_s18" data-properties="flower architecture;sepal quantity;sepal arrangement;sepal fusion"><b>Pistillate </b>flowers: sepals 3, imbricate, free;</span> <span class="statement" id="st-d0_s19" data-properties="flower architecture;petal quantity;petal arrangement;petal fusion">petals 3, imbricate, free;</span> <span class="statement" id="st-d0_s20" data-properties="flower architecture;point quantity;point height or length or size">staminodial ring bearing 6 short points;</span> <span class="statement" id="st-d0_s21" data-properties="flower architecture">pistil s1;</span> <span class="statement" id="st-d0_s22" data-properties="flower architecture;ovule quantity">ovules 3;</span> <span class="statement" id="st-d0_s23" data-properties="flower architecture;style prominence">styles indistinct;</span> <span class="statement" id="st-d0_s24" data-properties="flower architecture;stigma quantity">stigmas 3.</span> <span class="statement" id="st-d0_s25" data-properties="fruits drupe shape"><b>Fruits </b>drupes, ovoid;</span> <span class="statement" id="st-d0_s26" data-properties="exocarp coloration;exocarp width">exocarp orange-yellow and black, thin;</span> <span class="statement" id="st-d0_s27" data-properties="mesocarp texture;mesocarp coating">mesocarp fleshy, oily;</span> <span class="statement" id="st-d0_s28" data-properties="endocarp width;endocarp texture;apical pore quantity;apical pore character">endocarp thick, bony, with 3 apical germination pores.</span> <span class="statement" id="st-d0_s29" data-properties="seed shape"><b>Seeds </b>spheroid;</span> <span class="statement" id="st-d0_s30" data-properties="endosperm variability">endosperm homogeneous;</span> <span class="statement" id="st-d0_s31" data-properties="embryo position">embryo subapical;</span> <span class="statement" id="st-d0_s32" data-properties="eophyll architecture or shape;eophyll shape">eophyll undivided, lanceolate.</span><!-- -->{{Treatment/Body |distribution=Tropics;Central America;South America;Africa |discussion=<p>Elaeis guineensis, the African oil palm, is widespread in wet tropical Africa. It is now cultivated throughout the tropics, where it is the most important perennial oil crop, the source of both palm oil and palm kernel oil.</p><!-- --><p>Species 2 (1 in the flora).</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Elaeis |authority=Jacquin |rank=genus |parent rank=subtribe |synonyms=Alfonsia;Corozo |basionyms= |family=Arecaceae |distribution=Tropics;Central America;South America;Africa |reference=None |publication title=Selectarum Stirpium Americanarum Historia... |publication year=1763 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22_180.xml |subfamily=Arecaceae subfam. Arecoideae |tribe=Arecaceae tribe Cocoeae |subtribe=Arecaceae (tribe Cocoeae) subtribe Elaeidinae |genus=Elaeis |anther shape=rectangular |apex fragility=stiff |apex shape=sharp;acute;2-cleft |apical pore character=germination |apical pore quantity=3 |base duration=persisting |base texture=indurate;lignified |blade architecture=unarmed |blade architecture or shape=pinnate |crownshaft presence=absent |embryo position=subapical |endocarp texture=osseous |endocarp width=thick |endosperm variability=homogeneous |eophyll architecture or shape=undivided |eophyll shape=lanceolate |exocarp coloration=orange-yellow and black |exocarp width=thin |filament fusion=connate |flower architecture=pistillate;pistillate;pistillate;pistillate;pistillate;pistillate;pistillate;staminate;sessile |flower reproduction=unisexual |fruits drupe shape=ovoid |inflorescence arrangement=paniculate |leaf-base architecture=pistillate;staminate;branching |leaf-base duration=persistent |leaf-base prominence=obscured |lobe quantity=3 |lobe size=minute |mesocarp coating=oily |mesocarp texture=fleshy |order quantity=1 |ovule quantity=3 |peduncle height or length or size=short |peduncular bract architecture or dehiscence=splitting |peduncular bract texture=woody |petal arrangement=imbricate |petal arrangement or dehiscence=valvate |petal fusion=free;free |petal quantity=3;3 |petal texture=leathery |petiole margin architecture=armed |plane quantity=multiple |point height or length or size=short |point quantity=6 |prophyll height or length or size=short |rachilla arrangement=singly |rachilla width=thick |seed shape=spheroid |segment arrangement=arranged |sepal arrangement=imbricate |sepal fusion=free;free |sepal quantity=3;3 |stamen quantity=6 |stem architecture=unarmed |stem architecture or arrangement or growth form=solitary |stem fragility=robust |stem orientation=erect |stem pubescence=bare |stigma quantity=3 |style prominence=indistinct }}<!-- -->[[Category:Treatment]][[Category:Arecaceae (tribe Cocoeae) subtribe Elaeidinae]] Templates used on this page: Template:Arecaceae (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/ID/Synonym (view source) Template:Treatment/Publication (view source) Return to Elaeis.