Eriosyce napina ssp. lembckei v. duripulpa RMF277 - Punta Lobos, Chile

Eriosyce napina ssp. lembckei v. duripulpa RMF277 - Punta Lobos, Chile

Eriosyce napina ssp. lembckei v. duripulpa RMF277 - Punta Lobos, Chile

Questa è una rara specie con minuscoli fusti globosi che accestisce al di sopra di una grossa radice tuberosa con una costrizione fra in fusto e la radice. Può divenire elongata in coltivazione.
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Questa è una rara specie con minuscoli fusti globosi che accestisce al di sopra di una grossa radice tuberosa con una costrizione fra in fusto e la radice. Può divenire elongata in coltivazione.

Family: Cactaceae (Cactus Family) 

Scientific name: Eriosyce napina ssp. lembckei var. duripulpa (F.Ritter) F.Kattermann 1994

Distribution: Coastal Chile (Region III Atacama) Road from Vallenar to Huasco and nearest areas along the coast of the ocean .
Habitat: Altitude: approx. 200-350 m.

                      

Conservation status: Listed in CITES Appendix II

Etymology:
The genus name "Eriosyce" derives from the Greek words “Erion (εριον) meaning “wool” and “Sykos” meaning “fig (a fruit)” .
(The genus name implies: “woolly fruits”).

The species name
napina  derives from the Latin “napus” meaning "turnip  plus the adjective suffix for nouns "inus" meaning "belonging to or resembling" (The specific name implies: “resembling a turnip”)
The subspecies epithet  "lembckey"
was named in honour of  "Hans Lembcke" Germany expert and author about Chilean species of cacti.
The variety epithet
 "duripulpa" d
erives from the Latin adjective “durus” meaning "hard, firm, vigorous and "pulpa" meaning "soft part of the body, pulp" (The specific name implies: “hard pulped”)

Synonym:

  • Neoporteria napina v. duripulpa (F. Ritter) A.E. Hoffmann J., Cactaceas en la flora silvestre de Chile: 224: 1989
  • Chileorebutia duripulpa F.Ritter (Nom inval.) 1963
  • Neochilenia duripulpa (F. Ritter) Backeberg, Descr. Cact. Nov. 3. 9, 1963
  • Thelocephala duripulpa, (F.Ritter) F.Ritter 1980

Eriosyce napina ssp. lembckei var. duripulpa.
Field number RMF277 Punta Lobos, Chile.

Description: Tiny offsetting species with a globose stem, slowly growing atop a thick, underground taproot, with a constriction between the stem and the root, eventually becoming somewhat elongated in cultivation.
Stem:  Slow growing, up to 3-5 cm across, 2-6 cm tall, brown-olive-grey tones
Tubercles : Smaller tubercles than the type;
Areoles: Grey, woolly.
Spines: Short brown to black coloured radials of small size - 2 to 5 mm.
Roots: Forms a tuberous root system with (usually) a very large carrot-like root of at least 7 cm in length.
Flower: Pale yellow to pale reddish, with a silky shine, funnel-form;  buds hairy with brown wool
Fruit: Large, red, clavate, wrapped in white wool.     
Phenology: Flowers already when young, synchronised flowering of the whole plants takes place over one or two days, and they remain open for about three or four days.  Blossoming time:
late spring.


E. duripulpa is a tiny offsetting species with a globose stem, slowly growing atop a thick, underground taproot eventually becoming somewhat elongated in cultivation.


Buds are covered by grey wool.


 
Fruit is red  with white wool.

Cultivation:    It needs a deep pot  with very good drainage to accommodate its tap root.  It is susceptible to over-watering Sometimes it is grafted to avoid root rot problems.  Keep dry in winter.
Suited for airy exposures
.  It likes full sun; and can tolerate light shade.
It likes warmth (recommended minimum winter temperature: 5° C) But a plant kept perfectly dry can easily survive
at winter night-time temperatures below 0° C (in our greenhouse no damage at -10° C for a few hours in the winter of 2002-2003)

Pests & diseases:   E. napina is especially prone to rot, therefore, underpot in a smaller container filled with very porous compost.

Propagation: Seeds or graft. Seeds can be sown in the spring or summer. The seedlings should not be disturbed until they are well rooted, after which they can be planted separately in small pots.