View source for Alstonia ← Alstonia 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=Alstonia |accepted_authority=R. Brown |publications={{Treatment/Publication |title=Asclepiadeae, |place=64. 1810 |year=1810 |other_info_on_pub=name conserved }} |special_status={{Treatment/ID/Special_status |code=I |label=Introduced }} |basionyms= |synonyms= |hierarchy=Apocynaceae;Alstonia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Apocynaceae]]</div><div class="higher-taxon"><small>genus</small>[[Alstonia]]</div></div> |etymology=For Charles Alston, 1683–1760, Scottish professor of botany, University of Edinburgh |volume=Volume 14 |mention_page= |treatment_page= }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Trees </b>[shrubs]; latex milky. <b>Stems</b> erect, unarmed, glabrous [eglandular-pubescent]. <b>Leaves</b> persistent, whorled [opposite], petiolate; stipular colleters interpetiolar; laminar colleters absent. <b>Inflorescences</b> terminal, compound-cymose, pedunculate. <b>Flowers</b>: calycine colleters absent; corolla white, yellow, or cream, salverform, aestivation dextrorse [sinistrorse]; corolline corona absent; androecium and gynoecium not united into a gynostegium; stamens distinct, inserted at top of corolla tube; anthers not connivent, not adherent to stigma, connectives not appendiculate or enlarged, locules 4; pollen free, not massed into pollinia, translators absent; nectary annular. <b>Fruits</b> follicles, usually paired, pendulous, brown, slender, terete, surface striate, glabrous or pubescent. <b>Seeds</b> elliptic to oblong, flattened, marginally long-ciliate, not winged, not beaked, comose, not arillate. <b>x</b> = 11.</span><!-- -->{{Treatment/Body |distribution=Florida;Asia;Africa;Indian Ocean Islands;Pacific Islands;Australia. |introduced=true |discussion=<p>Species ca. 43 (2 in the flora).</p> |tables= |references= }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Leaves in whorls of 3 or 4; corolla tube and throat together to 6.5 mm; flowering winter–spring. |[[Alstonia macrophylla|Alstonia macrophylla]] |-id=key-0-1 |1 |Leaves in whorls of 4–8; corolla tube and throat together 7+ mm; flowering fall. |[[Alstonia scholaris|Alstonia scholaris]] |} </div></div><!-- -->{{#Taxon: name=Alstonia |author=David E. Lemke |authority=R. Brown |rank=genus |parent rank=family |synonyms= |basionyms= |family=Apocynaceae |distribution=Florida;Asia;Africa;Indian Ocean Islands;Pacific Islands;Australia. |introduced=true |reference=None |publication title=Asclepiadeae, |publication year=1810 |special status=Introduced |source xml= |genus=Alstonia }}<!-- -->[[Category:Treatment]][[Category:Apocynaceae]] Templates used on this page: Template:Apocynaceae (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/Special status (view source) Template:Treatment/Publication (view source) Return to Alstonia.