View source for Agave americana subsp. americana

{{Treatment/ID
|accepted_name=Agave americana subsp. americana
|accepted_authority=
|publications=
|basionyms=
|synonyms=
|hierarchy=Agavaceae;Agave;Agave americana;Agave americana subsp. americana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Agavaceae]]</div><div class="higher-taxon"><small>genus</small>[[Agave]]</div><div class="higher-taxon"><small>species</small>[[Agave americana]]</div><div class="higher-taxon"><small>subspecies</small>[[Agave americana subsp. americana]]</div></div>
|volume=Volume 26
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism architecture;whole_organism architecture;whole_organism growth form;trunk some measurement"><b>Plants </b>acaulescent or short-stemmed, trunks less than 2 m;</span> <span class="statement" id="st-d0_s1" data-properties="rosette architecture;rosette density">rosettes open or dense.</span> <span class="statement" id="st-d0_s2" data-properties="leaf orientation;leaf orientation;leaf orientation;leaf orientation;leaf orientation;leaf length;leaf width"><b>Leaves </b>erect, ascending, or frequently reflexed, 100–200 × 15–25 cm;</span> <span class="statement" id="st-d0_s3" data-properties="blade coloration;blade coloration;blade coloration;blade coloration;blade shape;blade shape;blade shape;form condition">blade light green to green or glaucous-gray, sometimes variegated yellow or whitish, especially in cultivated forms, sometimes cross-zoned, lanceolate, adaxially plane and somewhat guttered near base, abaxially convex near base;</span> <span class="statement" id="st-d0_s4" data-properties="margin course;margin course;tooth some measurement">margins straight or undulate to crenate, teeth 5–10 mm;</span> <span class="statement" id="st-d0_s5" data-properties="apical spine shape;apical spine shape;apical spine some measurement">apical spine conical or subulate, 2–5 cm.</span> <span class="statement" id="st-d0_s6" data-properties="scape some measurement"><b>Scape </b>5–9 m.</span> <span class="statement" id="st-d0_s7" data-properties="lateral branch quantity"><b>Inflorescences:</b> lateral branches 15–35.</span> <span class="statement" id="st-d0_s8" data-properties="flower some measurement"><b>Flowers </b>7–10 cm;</span> <span class="statement" id="st-d0_s9" data-properties="perianth-tube length;perianth-tube width">perianth-tube 8–20 × 12–20 cm;</span> <span class="statement" id="st-d0_s10" data-properties="ovary some measurement">ovary 3–4.5 cm.</span> <span class="statement" id="st-d0_s11" data-properties="capsule some measurement"><b>Capsules </b>4–8 cm.</span> <span class="statement" id="st-d0_s12" data-properties=""><b>Seeds </b>unknown.</span><!--

-->{{Treatment/Body
|distribution=sw United States;Mexico
|discussion=<p>Varieties 3 (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
|Apical leaf spine 3–5 cm, leaves frequently reflexed; Texas.
|[[Agave americana var. americana|Agave americana var. americana]]
|-id=key-0-1
|1
|Apical leaf spine 2–3 cm, leaves erect; Arizona.
|[[Agave americana var. expansa|Agave americana var. expansa]]
|}
</div></div><!--

-->{{#Taxon:
name=Agave americana subsp. americana
|authority=
|rank=subspecies
|parent rank=species
|synonyms=
|basionyms=
|family=Agavaceae
|distribution=sw United States;Mexico
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26_940.xml
|genus=Agave
|species=Agave americana
|subspecies=Agave americana subsp. americana
|apical spine shape=subulate;conical
|apical spine some measurement=2cm;5cm
|blade coloration=cross-zoned;whitish;variegated yellow;light green;green or glaucous-gray
|blade shape=convex;plane;lanceolate
|capsule some measurement=4cm;8cm
|flower some measurement=7cm;10cm
|form condition=cultivated
|lateral branch quantity=15;35
|leaf length=100cm;200cm
|leaf orientation=reflexed;ascending;reflexed;ascending;erect
|leaf width=15cm;25cm
|margin course=undulate to crenate;straight
|ovary some measurement=3cm;4.5cm
|perianth-tube length=8cm;20cm
|perianth-tube width=12cm;20cm
|rosette architecture=open
|rosette density=dense
|scape some measurement=5m;9m
|tooth some measurement=5mm;10mm
|trunk some measurement=0m;2m
|whole_organism architecture=short-stemmed;acaulescent
|whole_organism growth form=plant
}}<!--

-->[[Category:Treatment]][[Category:Agave americana]]