Platystele Schlechter 1910
Creators: name: Rizo Patrón, Federico L.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Asparagales
Orchidaceae
Platystele

description: Identification key for Peruvian species of Platystele.
1 Inflorescence simultaneously flowered, 3 or more flowers open simultaneously..............................................................................2
1´Inflorescence successively flowered, 1 or sometimes 2, rarely 3 flowers open simultaneously........................................................6
2 Inflorescence shorter than the leaf............................................................................................................................... P. stenostachya
2´Inflorescence as long as or longer than leaf .......................................................................................................................................3
3 Inflorescence more or less simultaneously flowered..........................................................................................................................4
3´Inflorescence successively flowered ..................................................................................................................................................5
4 Lip acute or acuminate ................................................................................................................................................... P. lancilabris
4´Lip subacute to obtuse................................................................................................................................................ P. Schmidchenii
5 Leaves ovoid, semiterete; lip acuminate ................................................................................................................................ P. rauhii
5´Leaves neither ovoid or semiterete; lip narrowly rounded.................................................................................................... P. misera
6 Inflorescence considerably longer than the leaf .................................................................................................................................7
6´Inflorescence shorter to a little longer than the leaf ...........................................................................................................................9
7 Lip ovate with the apex acute and acuminate.....................................................................................................................................8
7´Lip ovate with the apex acute, not acuminate .................................................................................................................. P. oxyglossa
8 Lip ovate, contracted near the middle into a sublate apex ..................................................................................... P. examen-culicum
8´Lip narrowly ovate, acuminate, acute................................................................................................................................. P. aculeata
9 Lateral sepals subfalcate, parallel..................................................................................................................................... P. peruviana
9´Lateral sepals strait, oblique .............................................................................................................................................................10
10 Sepals and petals minute ciliate; lip glabrous....................................................................................................................... P. pisifera
10´Sepals, petals and lip cellular-ciliate and cellular-pubescent .................................................................................................... P. psix
Clave de identificación para especies peruanas de Platystele.
1 Inflorescencia con flores simultaneas, 3 o más flores simultaneas ....................................................................................................2
1´Inflorescencia con flores sucesivas, 1 o a veces.................................................................................................................................2 raramente 3 flores abiertas al mismo tiempo......................................................................................................................................6
2 Inflorescencia más corta que la hoja ........................................................................................................................... P. stenostachya
2´Inflorescencia tan o más larga que la hoja..........................................................................................................................................3
3 Inflorescencia con flores más o menos simultáneas...........................................................................................................................4
3´Inflorescencia con flores sucesivas ....................................................................................................................................................5
4 Labelo agudo .................................................................................................................................................................. P. lancilabris
4´Labelo subagudo a obtuso .......................................................................................................................................... P. Schmidchenii
5 Hojas ovoides, semiterete; labelo acuminado ........................................................................................................................ P. rauhii
5´Hojas nunca ovoides o semiterete; labelo con ápice redondeado.......................................................................................... P. misera
6 Inflorescencia considerablemente más larga que las hojas ................................................................................................................7
6´Inflorescencia más corta o un poco más larga que las hojas ..............................................................................................................9
7 Labelo ovado con el ápice agudo acuminado.....................................................................................................................................8
7´Labelo ovado con el ápice agudo no acuminado.............................................................................................................. P. oxyglossa
8 Labelo ovado, adelgazado cerca del centro hacia un ápice delgado ...................................................................... P. examen-culicum
8´Labelo delgadamente ovado, acuminado, agudo................................................................................................................ P. aculeata
9 Sépalos laterales falcados, paralelos................................................................................................................................. P. peruviana
9´Sépalos laterales rectos, oblicuos .....................................................................................................................................................10
10 Sépalos y pétalos con cilios diminutos; labelo glabro.......................................................................................................... P. pisifera
10´Sépalos, pétalos y labelo con Pubescencia celular .................................................................................................................... P. psix
description: Published as part of Rizo Patrón, Federico L., 2022, Platystele peruviana sp nov. (Orchidaceae), the smallest orchid from Peru, pp. 113-120 in Phytotaxa 564 (1) on pages 118-119, DOI: 10.11646/phytotaxa.564.1.9, http://zenodo.org/record/7077917