Rhynchostele

Rhynchostele is a genus of flowering plants from the orchid family, Orchidaceae, native to Mexico, Central America and Venezuela.^[2][3][4] The genus name is abbreviated as Rst. in the horticultural trade.

Rhynchostele
Rhynchostele cordata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Tribe:	Cymbidieae
Subtribe:	Oncidiinae
Genus:	Rhynchostele Rchb.f. (1852)[1]
Type species
Rhynchostele pygmaea (Lindl.) Rchb. f.
Species
See text
Synonyms[2]
Amparoa Schltr. Mesoglossum Halb. Cymbiglossum Halb. Lemboglossum Halb.

Species

At the present time (May 2014), 19 species are accepted.^[2][5][6]

1. Rhynchostele aptera (Lex.) Soto Arenas & Salazar - from Durango to Oaxaca
2. Rhynchostele bictoniensis (Bateman) Soto Arenas & Salazar - from Oaxaca to Panama
3. Rhynchostele candidula (Rchb.f.) Soto Arenas & Salazar - Oaxaca
4. Rhynchostele cervantesii (Lex.) Soto Arenas & Salazar - Oaxaca
   1. Rhynchostele cervantesii subsp. cervantesii - Oaxaca
   2. Rhynchostele cervantesii subsp. halbingeriana Soto Arenas & Hágsater - Oaxaca
   3. Rhynchostele cervantesii subsp. membranacea (Lindl.) Soto Arenas & Salazar - Oaxaca
5. Rhynchostele cordata (Lindl.) Soto Arenas & Salazar - from Puebla to Costa Rica, plus Venezuela
6. Rhynchostele ehrenbergii (Link, Klotzsch & Otto) Soto Arenas & Salazar - from Hidalgo to Oaxaca
7. Rhynchostele galeottiana (A.Rich.) Soto Arenas & Salazar - Oaxaca
8. Rhynchostele hortensiae (R.L.Rodr.) Soto Arenas & Salazar - Costa Rica
9. Rhynchostele × humeana (Rchb.f.) Soto Arenas & Salazar - Oaxaca
10. Rhynchostele londesboroughiana (Rchb.f.) Soto Arenas & Salazar - Guerrero
11. Rhynchostele maculata (Lex.) Soto Arenas & Salazar
    1. Rhynchostele maculata subsp. maculata - Oaxaca
    2. Rhynchostele maculata subsp. oestlundiana (L.O.Williams) Soto Arenas & R.Jiménez - from Veracruz to Costa Rica
    3. Rhynchostele maculata f. perotensis Soto Arenas & R.Jiménez - Veracruz, Puebla
12. Rhynchostele madrensis (Rchb.f.) Soto Arenas & Salazar - Oaxaca
13. Rhynchostele majalis (Rchb.f.) Soto Arenas & Salazar - from Tabasco to Guatemala
14. Rhynchostele oscarii Archila - Guatemala
15. Rhynchostele pygmaea (Lindl.) Rchb.f. - Guatemala and Chiapas
16. Rhynchostele rossii (Lindl.) Soto Arenas & Salazar - from Querétaro to Nicaragua
17. Rhynchostele stellata (Lindl.) Soto Arenas & Salazar - from Chiapas to Costa Rica, plus Venezuela
18. Rhynchostele uroskinneri (Lindl.) Soto Arenas & Salazar - Guatemala and Chiapas
19. Rhynchostele × vexativa (Rchb.f.) Soto Arenas & Salazar - collected somewhere in Mexico c 1875, now probably extinct

See also

• List of Orchidaceae genera
• × Oncostele, a hybrid genus with at least one Rhynchostele ancestor