Show Lower Taxa
Difference between revisions of "Agave americana subsp. americana"
Treatment appears in FNA Volume 26.
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|accepted_name=Agave americana subsp. americana | |accepted_name=Agave americana subsp. americana | ||
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|Apical leaf spine 3–5 cm, leaves frequently reflexed; Texas. | |Apical leaf spine 3–5 cm, leaves frequently reflexed; Texas. | ||
| − | |[[ | + | |[[Agave americana var. americana|Agave americana var. americana]] |
|-id=key-0-1 | |-id=key-0-1 | ||
|1 | |1 | ||
|Apical leaf spine 2–3 cm, leaves erect; Arizona. | |Apical leaf spine 2–3 cm, leaves erect; Arizona. | ||
| − | |[[ | + | |[[Agave americana var. expansa|Agave americana var. expansa]] |
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name=Agave americana subsp. americana | name=Agave americana subsp. americana | ||
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|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_940.xml |
|genus=Agave | |genus=Agave | ||
|species=Agave americana | |species=Agave americana | ||
Latest revision as of 21:18, 5 November 2020
Plants acaulescent or short-stemmed, trunks less than 2 m; rosettes open or dense. Leaves erect, ascending, or frequently reflexed, 100–200 × 15–25 cm; 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; margins straight or undulate to crenate, teeth 5–10 mm; apical spine conical or subulate, 2–5 cm. Scape 5–9 m. Inflorescences: lateral branches 15–35. Flowers 7–10 cm; perianth tube 8–20 × 12–20 cm; ovary 3–4.5 cm. Capsules 4–8 cm. Seeds unknown.
Distribution
sw United States, Mexico.
Discussion
Varieties 3 (2 in the flora).
Selected References
None.
Key
| 1 | Apical leaf spine 3–5 cm, leaves frequently reflexed; Texas. | Agave americana var. americana |
| 1 | Apical leaf spine 2–3 cm, leaves erect; Arizona. | Agave americana var. expansa |