Agave americana subsp. protamericana

Gentry
Agaves Continental N. Amer., 287, figs. 12.1, 12.3–12.5, 12.8, 12.12, 12.14, 12.15, plate 12.1. 1982.
Common names: Wild century plant
Treatment appears in FNA Volume 26. Treatment on page 453.
Revision as of 20:54, 16 December 2019 by FNA>Volume Importer

Plants acaulescent or short-stemmed, trunks less than 1 m; rosettes open. Leaves frequently reflexed, 80–135 × 17–22 cm; blade light green to glaucous-gray, sometimes cross-zoned, broadly lanceolate, adaxially plane or guttered, abaxially convex; margins crenate, teeth, 5–10 mm; apical spine subulate, 3–6 cm. Scape 6–8 m. Inflorescences: lateral branches 15–20. Flowers 7.5–9 cm; perianth tube 15–20 mm; ovary 4–4.5 cm. Capsules 3.5–4 cm. Seeds 7–8 mm.


Phenology: Flowering early spring–early summer.
Habitat: Sandy places in desert scrub
Elevation: 200 m

Discussion

The Starr County, Texas, plants of subsp. protamericana are smaller in stature than those seen in Mexican populations but appear to belong to this wild taxon.

Selected References

None.

Lower Taxa

None.