Dichromanthus michuacanus (Lex.) Salazar & Soto Arenas 2002

Plant and Flowers in situ Mexico Photos by Carl Luer and The Swiss Orchid Foundation at the Jany Renz Herbaria Website


Common Name The Michuacan Dichromanthus

Flower Size .6" [1.5 cm] long

Found in Texas, Arizona, Mexico, and Honduras in grassland openings within junipers and scrubby oaks at elevations of 1500 to 2500 meters as a small to just large sized, cool to cold growing terrestrial with an erect, stout, glabrous below, copiously pilose above stem carrying 2 to 5, present at flowering, near the base to below th middle, sometimes withered to dry, ascending stiffly when fresh, often conduplicate, linear-lanceolate to elliptic, acute, basally clasping leaves that blooms in the late summer through early winter on a terminal, erect, 8 to 10" [20 to 35 cm] long, sometimes semi secund, rachis 6 to 10" [15 to 25 cm] long, often densely 30 to many flowered inflorescence carrying intensely flowers emitting a lemony scent with a hint of urine

Synonyms Dichromanthus michuacanus f. armeniacus R.A.Coleman 2009; Gyrostachys madrensis (Rchb.f.) Kuntze 1891; Gyrostachys michuacana (Lex.) Kuntze 1891; Gyrostachys sulphurea (Lex.) Kuntze 1891; *Neottia michuacana Lex. 1825; Neottia sulphurea Lex. 1825; Schiedeella michuacana (Lex.) Burns-Bal. 1981; Spiranthes bracteolaris Kraenzl. 1915; Spiranthes madrensis (Rchb.f.) Hemsl. 1884; Spiranthes michuacana (Lex.) Hemsl. 1884; Spiranthes sulphurea (Lex.) Hemsl. 1884; Stenorrhynchos madrense Rchb.f. 1855; Stenorrhynchos michuacanum (Lex.) Lindl. 1840; Dichromanthus michuacanus f. armeniacus R.A.Coleman 2009; Stenorrhynchos michuacanum subsp. vexillaris Szlach. 1994; Stenorrhynchos sulphureum (Lex.) Lindl. 1840; Stenorrhynchos vexillare (Szlach.) Szlach. 2004

References W3 Tropicos, Kew Monocot list , IPNI ; Flora Novo Galaciana Vol 16 Orchidaceae Mcvaugh 1985 as Spiranthes michuacanus drawing fide; Genera Orchidacearum Vol 3 Orchidoideae Part 2 Pridgeon, Cribb, Chase and Rasmusen 2003 drawing fide; Orchids of Mexico Hagsater, Soto, Salazar etal 2005 photo ok