Zelenkoa onusta (Lindl.) M.W.Chase & N.H.Williams

Orchid Species: Zelenkoa onusta

(This name is currently accepted by Kew.)

Zelenkoa onusta is an orchid species identified by (Lindl.) M.W.Chase & N.H.Williams in 2001.

Genus

Zelenkoa (Zel.)

Grex

onusta
(name currently accepted by Kew)

Parents

Species

Author

(Lindl.) M.W.Chase & N.H.Williams

Year

2001

ORIGIN: This species is found from Panama, Colombia, Ecuador and Peru as a miniature sized, hot to cool growing epiphyte from areas that have a long dry winter and is found at elevations of 25 to 1200 meters.

DESCRIPTION: A miniature sized, hot to cool growing epiphyte. The small, 1 pseudobulbs are conical-ovoid, longitudinally grooved, spaced close together on the rhizome and have a gray green appearance with purple spots, and carrying a single apical, erect, very coriaceous, 4 leaf. The racemose inflorescence is basal, and fairly lax, with few to many, longlasting, non-fragrant flowers that appear in the summer and fall.

FLOWER SIZE: 3/4 inch [2 cm] -- information provided by Jay Pfahl, author of the Internet Orchid Species Encyclopedia (IOSPE).

Other NamesGenus NameGenusGrex NameYearAuthor

Add+	Oncidium	Onc	holochrysum	1862	Rchb.f.
Add+	Oncidium	Onc	onustum	1833	Lindl.

Most awarded/recent cultivars: Onc. onustum 'Wendy' (4 awards in 2005) Zel. onusta 'Golden Dawn' (2 awards in 2018) Zel. onusta 'Double D' (2 awards in 2016) Zel. onusta 'Brett' (2 awards in 2014) Zel. onusta 'Herrenhausen' (2 awards in 2012) Zel. onusta 'Cushnie' (2 awards in 2005) Zel. onusta 'Guy Gordon' (2 awards in 2005) Zel. onusta 'Lorna' (2 awards in 2003) Onc. onustum 'Richella' (2 awards in 1994) Onc. onustum 'Mem. James' (2 awards in 1993) Onc. onustum 'Yellow Doll' (2 awards in 1980) Zel. onusta 'Strub' (2016) Zel. onusta 'Tina' (2016) Onc. onustum 'Sue' (2012) Zel. onusta 'Schanz' (2011) Zel. onusta 'Anneliese' (2010) Zel. onusta 'Rob' (2010) Zel. onusta 'Lemon tart' (2006) Onc. onustum 'Joy' (2005) Zel. onusta 'Arbec' (2003)

orchids.org/grexes/zelenkoa-onusta

Taxonomy	Described by	(Lindley) Chase, Mark W.  &  Williams, Norris H.
	Published in	Lindeyana  16 ( 2 ) : 139    2001
	Family	Orchidaceae
	Subfamily	Epidendroideae
	Tribe	Cymbidieae
	Subtribe	Oncidiinae
	Genus	Zelenkoa  Chase & Wiliams 2001
	Chromosomes	2n = 56
	Metabolsm	CAM pathway, stomata of the leaves are open at night.
		(K.Silvera, L.S. Santiago, J.C. Cushman, K. Winter - International Symposium on Plant Biology, August 2013)
		It is useful give the soluble mineal nutriens, on the roots.
Native of	Origins	On cactus and shrubs, in Panama (Henera, Parìta), Colombia, Ecuador (Manabì, El Oro, Guayas, Loja),
		Peru (Piura, Sullana)
	Altitude	30 - 1200 m  (99 - 3960 ft)
	Habitat	Climate informations from Guayaquil (Guayas, Ecuador)
		Köppen climate classification : Aw, tropical savanna climate (with a dry season and a rainy season)
		The weather station data (temperatures are calculated for an altitude of 600 m / 1980 ft) :

Hortus orchis - Zelenkoa onusta

https://youtu.be/4H_05dg6ZRQ