Difference between revisions of "Agave americana var. americana"
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|accepted_name=Agave americana var. americana | |accepted_name=Agave americana var. americana | ||
| − | |accepted_authority= | + | |accepted_authority= |
|publications= | |publications= | ||
|common_names=Century plant;maguey | |common_names=Century plant;maguey | ||
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|name=Agave gracilispina | |name=Agave gracilispina | ||
|authority=Engelmann ex Trelease | |authority=Engelmann ex Trelease | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Agavaceae;Agave;Agave americana;Agave americana var. americana | |hierarchy=Agavaceae;Agave;Agave americana;Agave americana var. americana | ||
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|elevation=200 m | |elevation=200 m | ||
|distribution=Tex.;e Mexico. | |distribution=Tex.;e Mexico. | ||
| − | |discussion=<p>The cultivar of <i>Agave americana </i>var.<i> americana</i>, technically a variant of <i>A. americana </i>subsp.<i> americana</i> derived from < | + | |discussion=<p>The cultivar of <i>Agave americana </i>var.<i> americana</i>, technically a variant of <i>A. americana </i>subsp.<i> americana</i> derived from <i></i>subsp.<i> protamericana</i>, is planted widely in the warmer regions of the United States and elsewhere in the world; only in the south Texas region of the flora is the plant native. At least five additional variants have been named based on leaf variegation patterns, but none is worthy of formal taxonomic recognition.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Agave americana var. americana | name=Agave americana var. americana | ||
| − | + | |authority= | |
| − | |authority= | ||
|rank=variety | |rank=variety | ||
|parent rank=species | |parent rank=species | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_941.xml |
|genus=Agave | |genus=Agave | ||
|species=Agave americana | |species=Agave americana | ||
Revision as of 20:54, 16 December 2019
Plants acaulescent or short-stemmed; rosettes rather dense. Leaves frequently reflexed, 100–200 × 15–25 cm; blade light green to glaucous-gray, sometimes variegated yellow or whitish; margins undulate to crenate, teeth 5–10 mm; apical spine subulate, 3–5 cm. Scape 5–9 m. Inflorescences: lateral branches 15–35. Flowers 7–10 cm; perianth tube 8–20 mm; ovary 3–4.5 cm. Capsules 4–5 cm. Seeds unknown. 2n = 120.
Phenology: Flowering mid spring–early summer.
Habitat: Sandy places in desert scrub
Elevation: 200 m
Distribution
Tex., e Mexico.
Discussion
The cultivar of Agave americana var. americana, technically a variant of A. americana subsp. americana derived from subsp. protamericana, is planted widely in the warmer regions of the United States and elsewhere in the world; only in the south Texas region of the flora is the plant native. At least five additional variants have been named based on leaf variegation patterns, but none is worthy of formal taxonomic recognition.
Selected References
None.