Maxillaria aureoglobula

Maxillaria aureoglobula, the golden globe maxillaria, is a species of epiphytic orchid native to Costa Rica, Colombia,[2] Venezuela,[2] and Brazil.[3][4][5] Originally this species was included in the species Maxillaria rufescens but in 2002 it was described a distinct species by Eric Christenson. The type specimen was collected in Columbia although the precise location is unknown.[2]

Maxillaria aureoglobula
CITES Appendix II (CITES)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Maxillaria
Species:
M. aureoglobula
Binomial name
Maxillaria aureoglobula
Christenson, 2002
Synonyms
  • Mormolyca aureoglobula
  • Xanthoxerampellia aureoglobula
  • Mormolyca fumea
  • Maxillaria fumea

Etymology

The species epithet aureoglobuala is a combination of the Latin words aureus (golden) and globus (globe) referring to the yellow spherically shaped flowers.[2]

Distribution

The distribution of Maxillaria aureoglobula is not well known due to its relatively recent classification. What is known is from the seven collected plants documented in literature. In Brazil three plants have been reported, one in the state of Maranhão[4] and two in the state Mato Grosso.[3] Two plants in Venezuela were incorrectly documented as Maxillaria rufescens by Dunsterville and Gray in 1961[6][2] one plant in the Municipality of Maracay in the state of Aragua the other was found in Municipality of Guatopo in the state of Miranda.[6][4] The type specimen was a plant in cultivation with an unknown locality in Colombia.[2] In 2016 Sauleda reported on a specimen that was found in the municipality of Darién in the state of Chohó.[7] This plant gave a documented locality in Colombia.

Characteristics

This species grows epiphyticaly with its rhizome attached completely to its phorophyte.[5] It has elongated compressed pseudobulbs topped with a single long leaf that is about 8 in (200 mm) long.[2]

In its native range in Brazil flowering occurs from February to April.[5] The .75 in (19 mm) flowers are held close to the base of the plant on single flowered inflorescences emerging from the rhizome between pseudobulbs.[4] The flowers have yellow sepals and petals, and the labellum is covered with red spots.[2] The scent is reported to be faintly of melon rind.[2]

Cultivation

Maxillaria aureoglobula like most orchids in its genus is rare in cultivation typically only kept in specialty collection.[8] In cultivation plants can be grown in pots or in a similar fashion to how they grow in nature mounted on pieces of wood or cork.[9]

Associated phorophytes

This species has been found associated with the following phorophytes:

Similar species

Maxillaria aureoglobula is often confused with the following species:

References
  1. "Appendices I, II and III". Convention on International Trade in Endangered Species of Wild Flora and Fauna. 2023-05-21. Retrieved 2023-10-25.
  2. Christenson, Eric (February 2002). "New Colombian Orchids". Orchids. 71 (2): 125–126.
  3. Engels, Mathias E.; Ferneda-Rocha, Lilien C. (2016-06-30). "Maxillaria aureoglobula (Orchidaceae, Maxillariinae): A new record from Brazil". Lankesteriana: International Journal on Orchidology. 16 (2). doi:10.15517/lank.v16i2.25395. ISSN 2215-2067.
  4. Ferreira, Alessandro Wagner Coelho; Oliveira, Miguel Sena de; Engels, Mathias Erich; Pessoa, Edlley (2019-12-20). "Found in Brazil again! Expanding the distribution of Maxillaria aureoglobula Christenson (Orchidaceae, Maxillariinae) and a key to the species of Maxillaria sect. Rufescens Christenson from Brazil". Check List. 15 (6): 1107–1112. doi:10.15560/15.6.1107. ISSN 1809-127X.
  5. Silva, Maycon Jordan Costa da; Pansarin, Emerson Ricardo; Pessoa, Edlley; Silva, Eduardo Oliveira; Albuquerque, Patrícia Maia Correia de; Oliveira, Miguel Sena de; Silva Junior, Wagner Ribeiro da; Santos, Kedma Nunes; Lima, Jonaina Ferreira; Ferreira, Alessandro Wagner Coelho (2022-04-11). "Synopsis of Orchidaceae from Fazenda Sete Irmãos: a fragment of Amazon Forest in northwestern Maranhão, Brazil". Rodriguésia. 73: e02172020. doi:10.1590/2175-7860202273044. ISSN 0370-6583. S2CID 248134353.
  6. Sweet, Herman R. (1966-05-13). "Orchids of Venezuela: Venezuelan Orchids Illustrated . By G. C. K. Dunsterville and Leslie A. Garay. Museum Books, New York. 1959-1966". Science. 152 (3724): 943–944. doi:10.1126/science.152.3724.943.b. ISSN 0036-8075.
  7. Sauleda, Ruben (June 15, 2016). "A Locality for Maxillaria aureoglobula Christenson in Colombia". New World Orchidaceae – Nomenclatural Notes (21): 1–8.
  8. "Maxillaria". www.aos.org. Retrieved 2023-10-16.
  9. Fitch, Charles (March 2005). "Lending Support". Orchids. 74 (3): 180–187.
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