Malaxis hieronymi (Cogn.) L.O.Williams 1939 SECTION Umbellatae SERIES Umbellatae

Plant and flowers


Photos by © G C Mueller and The SIB Website

Common Name Hieronymus' Malaxis

Flower Size

Found in Bolivia and Tucuman, Jujuy, Salta and Catamarca provinces of Argentina at elevations around 2800 meters as a mini-miniature to miniature sized, cold growing terrestrial with ovoid pseudobulbs carrying 2, apical, subopposite, ovate to ovate-oblong, obtuse, subrotund basally abruptly into the base leaves that blooms in the summer on a short, rachis .2 to .4" [.5 to1 cm] long, umbellate, dense, many flowered inflorescence with ovate-triangular, acute, shorter then the pedicellate ovary and carrying pale yellow green flowers.

Synonyms *Microstylis hieronymi Cogn. 1895; Microstylis rupestris Griseb. 1879

References W3 Tropicos, Kew Monocot list , IPNI ;

Symb. ad Fl. Argent. 337 Griseb. 1879 as M rupestris [non Poepp. & Endl.]

Fl. Bras. 3(4): 279 Cogn 1895 as Microstylis hieronymi;

*Lilloa 4: 363 L O Williams 1939;

On the identity of the new family Pycnanthaceae Ravenna Gayana Bot. vol.69 no.2 Concepción Nicola 2012;

Materials to the Orchid Flora of Colombia Vol IV:137 Szlatchetko & Kolanowska 2023