View source for Ageratina havanensis

{{Treatment/ID
|accepted_name=Ageratina havanensis
|accepted_authority=(Kunth) R. M. King & H. Robinson
|publications={{Treatment/Publication
|title=Phytologia
|place=19: 222. 1970
|year=1970
}}
|common_names=Havana snakeroot
|basionyms={{Treatment/ID/Basionym
|name=Eupatorium havanense
|authority=Kunth inA. von Humboldt et al.
|rank=species
|publication_title=Nov. Gen. Sp.
|publication_place=4(fol.): 100. 1818;  4(qto.): 128. 1820
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Eupatorieae;Ageratina;Ageratina havanensis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Eupatorieae]]</div><div class="higher-taxon"><small>genus</small>[[Ageratina]]</div><div class="higher-taxon"><small>species</small>[[Ageratina havanensis]]</div></div>
|volume=Volume 21
|mention_page=page 548
|treatment_page=page 552
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>[trees], (30–)69–150(–200) cm. <b>Stems</b> erect (brittle), puberulent to glabrous. <b>Leaves</b> persistent, opposite; petioles 3–10(–15) mm; blades deltate to broadly ovate or somewhat hastate, (2–)3–5(–8) × 2–5 cm, bases truncate to cuneate, margins dentate, apices acute, faces glabrous or nearly so, eglandular. <b>Heads</b> clustered. <b>Peduncles</b> 2–14 mm, minutely puberulent. <b>Involucres</b> 4–6 mm. <b>Phyllaries</b>: apices acute, abaxial faces glabrous or nearly so. <b>Corollas</b> white to slightly pinkish, glabrous. <b>Cypselae</b> hispid. <b>2n</b> = 34.</span><!--

-->{{Treatment/Body
|phenology=Flowering mainly (Sep–)Oct–Nov(–Dec), also Apr–Jul.
|habitat=Bluffs, limestone outcrops and slopes, ledges along streams, often in oak-juniper woodlands
|elevation=100–900 m
|distribution=Tex.;Mexico;West Indies (Cuba).
|discussion=<p><i>Ageratina havanensis</i> apparently is the only species of the genus in the flora area with evergreen-persistent leaves.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Ageratina havanensis
|authority=(Kunth) R. M. King & H. Robinson
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Eupatorium havanense
|family=Asteraceae
|phenology=Flowering mainly (Sep–)Oct–Nov(–Dec), also Apr–Jul.
|habitat=Bluffs, limestone outcrops and slopes, ledges along streams, often in oak-juniper woodlands
|elevation=100–900 m
|distribution=Tex.;Mexico;West Indies (Cuba).
|reference=None
|publication title=Phytologia
|publication year=1970
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_1400.xml
|tribe=Asteraceae tribe Eupatorieae
|genus=Ageratina
|species=Ageratina havanensis
}}<!--

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