Cephalocereus smithianus

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Since 4 Aug 2013

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Cephalocereus smithianus Britton & Rose
Cactaceae (Britton & Rose) 2: 37, fig. 46, 47. 1920
Family: CACTACEAE

Accepted Scientific Name: Praecereus euchlorus subs. smithianus (Britton & Rose) N.P.Taylor
Cactaceae Consensus Init. 3: 10. 1997

Synonyms:

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.

See all synonyms of Praecereus euchlorus

Description: A large shrub to 5 m with erect stems; ribs 7-9(-11).
Flowers: bell- to funnel-shaped, to 10 x 6cm, the tube 2 cm in diameter with prominent decurrent scales, inner perianth-segments greenish white.

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.

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Cite this page: "Cephalocereus smithianus" Text available under a CC-BY-SA Creative Commons Attribution License. www.llifle.com 14 Nov. 2005. 14 Apr 2025. </Encyclopedia/CACTI/Family/Cactaceae/6906/Cephalocereus_smithianus>