View source for Ptychosperma

{{Treatment/ID
|accepted_name=Ptychosperma
|accepted_authority=Labillardiere
|publications={{Treatment/Publication
|title=Memoires de la Classe des Sciences Mathematiques et Physiques de L'Institut National de France
|place=1808(2): 252. 1809
|year=1809
}}
|common_names=Solitaire palm;MacArthur palm
|basionyms=
|synonyms=
|hierarchy=Arecaceae;Arecaceae subfam. Arecoideae;Arecaceae tribe Areceae;Arecaceae (tribe Areceae) subtribe Ptychospermatinae;Ptychosperma
|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 Areceae]]</div><div class="higher-taxon"><small>subtribe</small>[[Arecaceae (tribe Areceae) subtribe Ptychospermatinae]]</div><div class="higher-taxon"><small>genus</small>[[Ptychosperma]]</div></div>
|etymology=Greek ptyx, folded, and sperma, seed, in reference to the ridged endocarp
|volume=Volume 22
|mention_page=
|treatment_page=page 118
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>solitary or clustereding, less than 15 cm in diam., unarmed. <b>Leaves</b>: sheath green, unarmed, forming crownshaft; blade pinnate, unarmed; plication reduplicate; segments in 1 plane, usually cuneate, apices jagged and irregular, cleft. <b>Inflorescences</b> axillary below crown of leaves, paniculate, with 2 or 3 orders of branching, pendulous; prophyll short; peduncular bract tubular; secondary peduncular bracts often present, incomplete. <b>Flowers</b> unisexual, sessile, in triads of 1 pistillate flower flanked by 2 staminate flowers. <b>Staminate</b> flowers: sepals 3, imbricate, free; petals 3, valvate, free; stamens [9–]25–34 [or more], in whorls of 3 or more; pistillode present, with slender style. <b>Pistillate</b> flowers: sepals 3, imbricate, free; petals 3, imbricate, free; staminode lobes or scales present; pistils 1; ovules 1; styles indistinct; stigmas 3. <b>Fruits</b> drupes, small; exocarp red [black], smooth; mesocarp fleshy; endocarp bony, 5-lobed in cross section [obscurely lobed]. <b>Seeds</b> ovoid; endosperm homogeneous or ruminate; embryo basal; eophyll 2-cleft, segments linear, apices jagged and irregular.</span><!--

-->{{Treatment/Body
|distribution=Fla.;Pacific Islands;Australia.
|introduced=true
|discussion=<p>This genus is popular in cultivation. Two species have sporadically naturalized sporadically in Dade County, Florida. The fruits are red and fleshy, and birds undoubtedly disperse the seeds.</p><!--
--><p>Species 28 (2 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=zona1999a
|text=Zona, S. 1999. New perspectives on generic limits nd relationships in the Ptychospermatinae (Palmae: Arecoideae). Mem. New York Bot. Gard. 83: 255--263.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Stems solitary
|[[Ptychosperma elegans|Ptychosperma elegans]]
|-id=key-0-1
|1
|Stems clustering
|[[Ptychosperma macarthurii|Ptychosperma macarthurii]]
|}
</div></div><!--

-->{{#Taxon:
name=Ptychosperma
|authority=Labillardiere
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Arecaceae
|distribution=Fla.;Pacific Islands;Australia.
|introduced=true
|reference=zona1999a
|publication title=Memoires de la Classe des Sciences Mathematiques et Physiques de L'Institut National de France
|publication year=1809
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V22/V22_199.xml
|subfamily=Arecaceae subfam. Arecoideae
|tribe=Arecaceae tribe Areceae
|subtribe=Arecaceae (tribe Areceae) subtribe Ptychospermatinae
|genus=Ptychosperma
}}<!--

-->[[Category:Treatment]][[Category:Arecaceae (tribe Areceae) subtribe Ptychospermatinae]]