Mammillaria rekoi subs. leptacantha

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Since 4 Aug 2013

Mammillaria rekoi subs. leptacantha (A.B.Lau) D.R.Hunt
Mammillaria Postscripts 6: 8 (1997)
Family: CACTACEAE

Mammillaria rekoi subs. leptacantha Photo by: Alexander Arzberger
This is a nice species with long yellow or brown twisted spines, hooked at the tips.

Origin and Habitat: Oaxaca: Mitla, Mexico.

Synonyms:

Mammillaria rekoi subs. leptacantha (A.B.Lau) D.R.Hunt

Mammillaria leptacantha (A.B.Lau) Repp.
Mammillaria rekoi var. leptacantha A.B.Lau

See all synonyms of Mammillaria rekoi

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Accepted name in llifle Database:
Mammillaria rekoi subs. leptacantha (A.B.Lau) D.R.Hunt
Mammillaria Postscripts 6: 8 (1997)
Synonymy: 3

Mammillaria rekoi subs. leptacantha (A.B.Lau) D.R.Hunt

Mammillaria leptacantha (A.B.Lau) Repp.
Mammillaria rekoi var. leptacantha A.B.Lau

Accepted name in llifle Database:
Mammillaria rekoi (Britton & Rose) Vaupel
Nat. Pflanzenfam. [Engler & Prantl] xxi. 633 (1925)
Synonymy: 11

Mammillaria rekoi (Britton & Rose) Vaupel

Ebnerella rekoi (Britton & Rose) Buxb.
Mammillaria rekoiana R.T.Craig
Neomammillaria rekoi Britton & Rose

Mammillaria albrechtiana Wohlschl.
Mammillaria krasuckae Repp.
Mammillaria mitlensis Bravo
Mammillaria pullihamata Repp.
Mammillaria rekoi var. pseudorekoi (Boed.) R.T.Craig

Mammillaria pseudorekoi Boed.

Mammillaria sanjuanensis Repp.

Accepted name in llifle Database:
Mammillaria rekoi subs. aureispina (A.B.Lau) D.R.Hunt
Mammillaria Postscripts ( A.B.Lau ) D.R.Hunt
Synonymy: 3

Mammillaria rekoi subs. aureispina (A.B.Lau) D.R.Hunt

Mammillaria aureispina (A.B.Lau) Repp.
Mammillaria rekoi var. aureispina A.B.Lau

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Description: Slowly clustering , at about 3 or 5 years old from seed.
Stems: Globose to short, cylindrical, green, 12-13 cm tall, 5-6 cm thick. Sometimes with latex.
Tubercle: Conical to cylindrical. The axil has short white wool and white bristles. Tubercle arrangement: 8-13.
Areoles: Woolly, white. ( )
Radial spines: About 27-30, radiating, finely bristly, needle-like, white to golden yellow, 4 - 6 mm long.
Central spines: 4-6, much stouter than the radials, yellow, amber or brown, hooked, sometimes twisted, 15-20(-25) mm long, the lower one sometimes strongly hooked.
Flowers: Diurnal, purple, generally with darker midribs, up to 15 mm long. The petals flare back at the ends, rather than opening widely.
Blooming season: Spring.
Fruits: Red.
Seeds: Brown.

Subspecies, varieties, forms and cultivars of plants belonging to the Mammillaria rekoi group

Mammillaria pullihamata Repp.: has central spines amber coloured, always hooked. Distribution: Portillo Nejapa, Oaxaca.
Mammillaria rekoi (Britton & Rose) Vaupel: Always solitary with 4 centranl spines, the lower one hooked ( or sometimes straight) and about 20 white radial spines. Distribution: whidespread in Oxaca.
Mammillaria rekoi subs. aureispina (A.B.Lau) D.R.Hunt: Solitary (occasionally with several stems) may reach 15 cm in height, and has 5-7 straight golden-brown central spines and 20-23 yellow radials; Distribution: north of Quiotepec and Yolox, Oaxaca.
Mammillaria rekoi subs. leptacantha (A.B.Lau) D.R.Hunt: Clumping withof as many as seven stems. It has 4-6 curved and hooked central spines and 27-30 radials; Distribution: It is found between Mitla and Najapa, Oaxaca.

Bibliography: Major references and further lectures
1) John Pilbeam (1999) “Mammillaria The Cactus File Handbook” Nuffield Press.
2) Edward F. Anderson “The Cactus Family” Timber Press, 2001

Mammillaria rekoi subs. leptacantha Photo by: Valentino Vallicelli

Mammillaria rekoi subs. leptacantha Photo by: Julio C. García

Mammillaria rekoi subs. leptacantha Photo by: Alexander Arzberger

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Cultivation and Propagation: Mammillaria rekoiSN|13403]]SN|13403]] subs. leptacantha requires excellent drainage provided by porous cactus soil. Easily clustering, it's an easy bloomer.
Growth rate: Most plants will offset readily, and clumps can be produced in a few years.
Repotting: We suggest repotting every 2-3 years.
Fertilization: During the beautiful season enrich the soil using a fertilizer rich in potassium and phosphorous, but poor in nitrogen, because this chemical element doesn’t help the development of succulent plants, making them too soft and full of water.
Exposure: It prefers bright light and ample airflow. Outside full sun or afternoon shade, inside it needs bright light, and some direct sun.
Moisture: Water the soil abundantly when it is dry to the touch. Allow soil to drain thoroughly before watering again. Do not water much in the winter (rot prone). Overwintering: Protect from frost. But it's hardy to -5°C if kept dry.
Propagation: Division, direct sow after last frost.

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