Difference between revisions of "Agave americana subsp. americana"

Treatment appears in FNA Volume 26.
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|Apical leaf spine 3–5 cm, leaves frequently reflexed; Texas.
 
|Apical leaf spine 3–5 cm, leaves frequently reflexed; Texas.
|[[12b.Agave americana var. americana|12b.Agave americana var. americana]]
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|[[Agave americana var. americana|Agave americana var. americana]]
 
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|Apical leaf spine 2–3 cm, leaves erect; Arizona.
 
|Apical leaf spine 2–3 cm, leaves erect; Arizona.
|[[12b.Agave americana var. expansa|12b.Agave americana var. expansa]]
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|[[Agave americana var. expansa|Agave americana var. expansa]]
 
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|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.

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