necuametl.

Headword: 
necuametl.
Principal English Translation: 

a small agave, full of thorns, and blue; its roots have a medicinal value
Digital Florentine Codex, https://florentinecodex.getty.edu/book/10/folio/123r

a type of tree like a palm
James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 227.

Orthographic Variants: 
Necuametl, nequametl
Alonso de Molina: 

nequametl. cierto arbol como palma.
Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 69r. col. 2. Thanks to Joe Campbell for providing the transcription.

Lockhart’s Nahuatl as Written: 

vowel quantity speculative. 227

Attestations from sources in English: 

nequametl = Maguey, a name given to boys
Fray Bernardino de Sahagún, Primeros Memoriales, ed. Thelma D. Sullivan, et al. (Norman: University of Oklahoma Press, 1997), 254.

ytoca necuametl = named Nequametl (attested as male; someone twenty years old and who had not yet taken a wife) (Cuernavaca region, ca. 1540s)
The Book of Tributes: Early Sixteenth-Century Nahuatl Censuses from Morelos, ed. and transl. S. L. Cline, (Los Angeles: UCLA Latin American Center Publications, 1993), 146–147. See another attestation in another family, 164–165.

Attestations from sources in Spanish: 

Ome Miquiztli Nequametl, nació en Chalchiuhtepec (Quauhtinchan, s. XVI)
Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 138.

in Nequametl yaqui zoquiapan oncan ya moteuhctlalia = Nequametl se fue a Zoquiyapan, allá se establece como teuhctli (Quauhtinchan, s. XVI)
Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 140.

Auh y nequametl omentin yn iciuaua yn ce ytoca tlatzomani ya quintlacatillia yn ipilhuan za noma o[n]can yn zoquiyapan yntoca chicuacen couatl Macuetzin = Y Nequametl tenía dos mujeres; la una, llamada Tlatzomani, engendró a sus hijos ahí mismo en Zoquiyapan, los llamados: Ciquacen couatl y Macuextzin (Quauhtinchan, s. XVI)
Historia Tolteca-Chichimeca, eds. Paul Kirchhoff, Lina Odena Güemes, y Luis Reyes García (México: CISINAH, INAH-SEP, 1976), 140.

themes: 
Health, Sickness, Wellness, Medicine
Plants, Trees, Flora