Monvillea euchlora f. cristata

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Monvillea euchlora f. cristata hort.

Family: CACTACEAE

Accepted Scientific Name: Praecereus euchlorus (F.A.C.Weber ex K.Schum.) N.P.Taylor
Cactaceae Consensus Init. 3: 10. 1997

Monvillea euchlora f. cristata (Praecereus euchlorus f. cristata) Photo by: Alexander Arzberger

Origin and Habitat: This species has been reported from Brazil, Bolivia, Argentina, and Paraguay.

Synonyms:

Praecereus euchlorus f. cristata

Monvillea euchlora f. cristata hort.

See all synonyms of Praecereus euchlorus

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Accepted name in llifle Database:
Praecereus euchlorus (F.A.C.Weber ex K.Schum.) N.P.Taylor
Cactaceae Consensus Init. 3: 10. 1997
Synonymy: 25

Praecereus euchlorus (F.A.C.Weber ex K.Schum.) N.P.Taylor

Cereus euchlorus F.A.C.Weber ex K.Schum.
Monvillea euchlora (F.A.C.Weber ex K.Schum.) Backeb.

Monvillea alticostata F.Ritter

Cereus alticostatus (F.Ritter) P.J.Braun
Cereus euchlorus subs. alticostatus (F.Ritter) P.J.Braun & Esteves

Monvillea ballivianii Cárdenas

Cereus ballivianii (Cárdenas) P.J.Braun & Esteves

Monvillea cavendishii var. lauterbachii (K.Schum.) W.T.Marshall

Cereus lauterbachii K.Schum. ex Chodat & Hassl.

Monvillea leucantha F.Ritter

Cereus euchlorus subs. leucanthus (F.Ritter) P.J.Braun & Esteves

Monvillea piedadensis F.Ritter

Cereus campinensis subs. piedadensis (F.Ritter) P.J.Braun & Esteves
Cereus campinensis var. piedadensis (F.Ritter) P.J.Braun

Monvillea pugionifera F.Ritter
Praecereus apoloensis (Cárdenas) Buxb.

Cereus apoloensis (Cárdenas) P.J.Braun & Esteves
Monvillea apoloensis Cárdenas

Praecereus euchlorus f. cristata

Monvillea euchlora f. cristata hort.

Praecereus maritimus (Britton & Rose) Buxb.

Cereus brittonianus Werderm.
Monvillea brittoniana (Werderm.) Borg
Monvillea maritima Britton & Rose

Accepted name in llifle Database:
Praecereus euchlorus subs. amazonicus (K.Schum. ex Vaupel) N.P.Taylor
Cactaceae Consensus Init. Init. 3: 10. 1997
Synonymy: 4

Praecereus euchlorus subs. amazonicus (K.Schum. ex Vaupel) N.P.Taylor

Cereus amazonicus K.Schum. ex Vaupel
Monvillea amazonica (K.Schum. ex Vaupel) Britton & Rose
Praecereus amazonicus (K.Schum. ex Vaupel) Buxb.

Accepted name in llifle Database:
Praecereus euchlorus subs. diffusus (Britton & Rose) N.P.Taylor
Cactaceae Consensus Init. 3: 10. 1997
Synonymy: 3

Praecereus euchlorus subs. diffusus (Britton & Rose) N.P.Taylor

Cereus diffusus (Britton & Rose) Werderm. in Backeb.
Monvillea diffusa Britton & Rose

Accepted name in llifle Database:
Praecereus euchlorus subs. jaenensis (Rauh & Backeb.) Ostolaza
Cactaceae Consensus Init. 6: 9. 1998
Synonymy: 3

Praecereus euchlorus subs. jaenensis (Rauh & Backeb.) Ostolaza

Monvillea jaenensis Rauh & Backeb.
Praecereus jaenensis (Rauh & Backeb.) Buxb.

Accepted name in llifle Database:
Praecereus euchlorus subs. smithianus (Britton & Rose) N.P.Taylor
Cactaceae Consensus Init. 3: 10. 1997
Synonymy: 10

Praecereus euchlorus subs. smithianus (Britton & Rose) N.P.Taylor

Cephalocereus smithianus Britton & Rose
Cereus smithianus (Britton & Rose) Werderm.
Monvillea smithiana (Britton & Rose) Backeb. in Backeb. & F.M.Knuth
Pilocereus smithianus (Britton & Rose) Backeb.
Praecereus smithianus (Britton & Rose) Buxb.

Praecereus campinensis (Backeb. & Voll) Buxb.

Cereus campinensis (Backeb. & Voll) P.J.Braun
Monvillea campinensis (Backeb. & Voll) Backeb.
Pilocereus campinensis Backeb. & Voll

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Description: The typical Praecereus euchlorusSN|7218]]SN|7218]] (Monvillea euchloraSN|7220]]SN|7220]]) is a shrubby columnar cactus that grows often in thicket or clambering among other vegetatin, with rather slender ribbed stems, weakly erect at first, later arching or decumbent. The flowers are nocturnal, funnel-shaped, white to greenish white up to 8 cm long.
Crested form: The crested forms are cultivated for their beautiful fan-shaped stem. These plants produce monstrous crests, and crests occasionally produce normal shoots. Crested specimens are often grafted on stronger species, called the stock, that can be any number of different columnar cactus. The odd crested forms are extremely rare and may appear both on seedling batches in a very small percentage and in habitat too.

Subspecies, varieties, forms and cultivars of plants belonging to the Praecereus euchlorus group

Praecereus euchlorus (F.A.C.Weber ex K.Schum.) N.P.Taylor: (subsp. euchlorus) has as many as 8 ribs and 10-14 spines. Distribution: it occurs in Brazil, Bolivia, Argentina, and Paraguay.
Praecereus euchlorus subs. amazonicus (K.Schum. ex Vaupel) N.P.Taylor
Praecereus euchlorus f. cristata: crested form.
Praecereus euchlorus subs. diffusus (Britton & Rose) N.P.Taylor: has 4-9 ribs and 7-17 spines. Distribution: southern Ecuador and northern Peru.
Praecereus euchlorus subs. jaenensis (Rauh & Backeb.) Ostolaza: has 11-14 ribs and about 20 spines. Distibution: Jaen and adjacent areas, northern Peru.
Praecereus euchlorus subs. smithianus (Britton & Rose) N.P.Taylor: A large shrub to 5 m with erect stems, 7-9(-11) ribs and as many as 13 spines. Flowers bell-to funnel-shaped, to 10 x 6 cm. Distribution: Trinidad, Colombia, and Venezuela.

Bibliography: Major rences and further lectures
1) Hunt, D., Taylor, N. and Charles, G. “The New Cactus Lexicon.” dh Books, Milborne Port, UK. 2006
2) Machado, M., Taylor, N.P., Braun, P., Oakley, L., Kiesling, R., Pin, A., Loaiza, C. & Ostalaza, C. 2013. Praecereus euchlorus. The IUCN Red List of Threatened Species 2013: e.T151800A562870. http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T151800A562870.en. Downloaded on 04 July 2016.
3) Britton & Rose, “The Cactaceae” 2: f. 43, 46, 47 (1920) — as Cephalocereus smithianus.
4) Backeberg, “Die Cactaceae 4” 1960
5) James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11 August 2011
6) J. Hugo Cola-Sanchez & D. Shannon Croutch “Notizen zur Blütenbiologie von Praecereus euchlorus subsp. euchlorus (Cactaceae) - Notes on the floral biology of Praecereus euchlorus subsp. euchlorus (Cactaceae)” in Shumannia 5, pp. 99-103, 2008

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