Eriosyce recondita (F.Ritter) Katt.

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Origin and Habitat: Eriosyce recondita is endemic to Chile, where it occurs in the region of Antofagasta in Morro Moreno and Quebrada la Chimba in the close vicinity of Antofagasta. The population seems stable, but the species is scarce. It is known from two localities where it is stable, however the population size is way less than 1,000 individuals.
Altitude range: This species grows at elevations of 600 to 1,000 metres above sea level.
Habitat and Ecology: The species occurs in coastal hills (lomas costeras) on rocky and sandy soils together with Copiapoa boliviana and Eulychnia morromorenoensis. It occurs very mimicked, barely protruding from the ground surface. It's a very drought tolerant species. Despite the lack of rain where it lives, the extreme aridity is attenuated by the frequent, often dense, coastal fogs. The fog tends to concentrate in the form of a cloud band at an estimated height of 500 to 850 m. It shows a recurrent pattern; usually it is overcast in the early mornings, the clouds dissipating during the late morning and returning during the late afternoons. This species is anemochorous ((has seeds adapted for dispersal via wind) and resembles in this respect Chileorebutia and Islaya. The presence in habitat of multiple-branched specimens is the result of a previous serial of predation, by an overpopulation of camelids now disappeared by anthropic action. The only major threat known for Eriosyce recondita is illegal collection.

Common Names include:
SPANISH (Español): Escondido

Description: Eriosyce recondita is a spherical, sometimes branching cactus species. Two subspecies of Eriosyce recondita are recognized, the nominate form and subs. iquiquensis.
Stem: Subglobose to globose grey to dark green, 2-10 cm in diameter, with sunken stem tips.
Root: Taproots expanded, often with necks.
Ribs: 10-13, notched and forming tubercles and often with sunken areoles.
Spines: Thin, needle-like, black.
Central spines: 1-2,10-15 mm long.
Radial spines: 6-10,5-10 mm long.
Flowers: Borne on young areoles, funnelform, white to pinkish to yellow, 1.5-4 cm long, 2-3.5 cm in diameter; pericarpels and floral tubes with wool and sometimes bristles.
Fruits: Club-shaped, elongate, hollow, dehiscing by basal pores.

Subspecies, varieties, forms and cultivars of plants belonging to the Eriosyce recondita group

• Eriosyce recondita (F.Ritter) Katt.: has grey-green stems 2-5 cm across and white to pinkish flowers. Distribution: close vicinity of Antofagasta.

• Eriosyce recondita subs. iquiquensis (F.Ritter) Katt.: has dark green stems 3-10 cm across and yellow flowers. Distribution from Tocopilla, Antofagasta to Iquique, Tarapaca.
• Eriosyce recondita var. vexata (F.Ritter) A.E.Hoffm.: appears to be a dwarf, weakly spined ally of E. recondita. Distribution: Morro Moreno, Antofagasta, Chile.
• Neoporteria aricensis (F.Ritter) Donald & G.D.Rowley: stem spherical, eventually cylindric and decumbent with time to 5,5 cm across. Flowers pale yellow. Distribution: South of Arica, Tarapacá, Chile.

Eriosyce recondita (llifle.com)

 

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