taxonID	type	description	language	source
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	diagnosis	Hymenocallis ximixtlanensis is similar to H. graminifolia Greenm., but it is distinguished from it by its wider leaves (1.9 – 2.8 cm vs. 0.5 – 0.7 cm), inflorescences with 1 (– 2) flowers (vs. 1 – 6), longer floral tubes (12 – 14.2 cm vs. 4 cm), larger free portion of the filaments (3.5 cm vs. 2 cm), longer anthers (2 cm vs. 1.4 cm), more ovules per locule (4 vs. 2), and its distribution in oak forest (vs. tropical deciduous forest).	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	materials_examined	TYPE: — MEXICO. Guerrero: Municipality of Atlixtac, Ximixtlán (Mezones 2), road Atlixtac-Tlatlauquitepec, 17 ° 32 ’ 55 ” N, 98 ° 52 ’ 24 ” W, 29 June 2013 [fl], R. Cruz et al. 9086 (holotype: FCME!; isotype: FCME!).	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	description	Herbs perennial, escapous, 23 – 30 cm tall. Bulbs 3.7 cm in diameter, spherical, tunicate, the cataphylls brown, membranous. Leaves 2 (– 3), basal, ascending, but recurved at the apical portion, 14 – 21 (– 23) × 1.9 – 2.2 (– 2.8) cm, ensiform, pale green, narrowing at base; margin entire; apex acute. Inflorescence escapous, with one flower (exceptionally 2), with bracts at the apex of the scape; scape 2.5 – 5 cm long, exceptionally 11 – 14 cm long, cylindrical, solid; bracts 4 cm long, membranous, filiform. Flowers white; tepals 7.7 – 9 × 0.7 – 0.8 cm, linear, subequal, ascending; tube of the perigonium 12 – 14.2 × 0.2 – 0.3 cm, straight, light green; staminal crown rotated, 2.6 cm high, 3.5 cm diam., crown margin briefly indented; filaments 6, the free portion 3.5 cm long, filiform, white, slightly yellowish in the last quarter, anthers ca. 2 cm long, yellow, dorsifixed and versatile; ovary 1.4 – 1.5 × 0.8 cm, ovoid, green, trilocular, with 4 ovules in each locule; style 18 – 22 cm long, dark green distally, stigma globose, dark green. Fruits and seeds unknown.	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	biology_ecology	Phenology: — Flowering from June to July.	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	distribution	Distribution and ecology: — Hymenocallis ximixtlanensis has been localized growing in Quercus forests, at 1915 m above sea level, on limestone soil.	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	etymology	Etymology: — The specific epithet alludes to the site from where the only population of this species is known, the town of Ximixtlán, Municipality of Atlixtac in the Sierra Madre del Sur, Guerrero, Mexico.	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	conservation	Conservation: — According to the IUCN Red List categories and criteria (2022), H. ximixtlanensis is proposed as Critically Endangered (CR), because it fits with the criteria B 2 (a) and D, since during the exploration of the area (Municipality of Atlixtac), only a small population with less than 50 mature individuals, in an area of about 20 m ², was found.	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
03F7495B5A65FFB2FF1E182CE3CCF862.taxon	materials_examined	Additional specimens examined: — MEXICO. Guerrero: Municipality of Atlixtac, Ximixtlán (Mezones 2), road Atlixtac – Tlatlauquitepec, 17 ° 32 ’ 5 ” N, 98 ° 52 ’ 24 ” W, 29 June 2013 [fl], R. Cruz, L. A. Alcántara & E. Hernández 9086 bis (FCME!); 21 June 2014 [fl], R. Cruz & E. Hernández 9189 (FCME!, MEXU!, UAMIZ!).	en	Ramírez, Jaime Jiménez, Durán, Ramiro Cruz, Granados, Ma. Elena García (2022): Hymenocallis ximixtlanensis (Amaryllidaceae), a new species from the state of Guerrero, Mexico. Phytotaxa 574 (2): 191-196, DOI: 10.11646/phytotaxa.574.2.9, URL: http://dx.doi.org/10.11646/phytotaxa.574.2.9
