Author: cactusclassification

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Acanthocereus horridus

http://pics.davesgarden.com/pics/2007/08/20/samats/6d6d62.jpg
http://pics.davesgarden.com/pics/2007/08/20/samats/6d6d62.jpg

Acanthocereus horridus* Britton & Rose 1920

 

Plants shrubby, much branched, semierect, stout. Stems three-angled and winglike, dark green, to 10 cm (3.9 in) wide, with undulating margins.

Areoles large, 2.5–6 cm (1–2.4 in) apart.
Central spines 1-2, stout, brownish, becoming gray, to 5 cm (2 in) long.
Radial spines 1-6, short, conical, brown or black, becoming whitish, to 1.2 cm (0.5 in) long.
Flowers to 20 cm (7.9 in) long.
Fruits glossy light red, with large areoles bearing white wool, dehiscent, to 3.5 cm (1.4 in) long.

Distribution: southeastern Mexico, Guatemala, and El Salvador.

References: Anderson E.F. - The Cactus Family
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Acanthocereus colombianus

http://calphotos.berkeley.edu/imgs/512x768/0091_3182/0753/0114.jpeg
http://calphotos.berkeley.edu/imgs/512×768/0091_3182/0753/0114.jpeg

Acanthocereus colombianus – Britton & Rose 1920

 

Plants large shrubs, erect to arching, to 3 m (9.8 ft) high. Stems strongly three- or four-winged, to 9 cm (3.5 in) thick, with acute, deeply wavy margins.
Areoles large, to 5 cm (2 in) apart.
Central spines 1-2, very stout, to 55 mm (2.2 in) long.
Radial spines 5-8, stout, less than 5 mm long.
Flowers to 25 cm (9.8 in) long. Fruits red, tough, spiny.

Distribution: Colombia.

References: Anderson E.F. - The Cactus Family
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Acanthocereus baxaniensis

http://sherman.ninja/spikyshop/wp-content/uploads/2014/11/Acanthocereus-baxaniensis4.jpg
http://sherman.ninja/spikyshop/wp-content/uploads/2014/11/Acanthocereus-baxaniensis4.jpg

Acanthocereus baxaniensis (Karw. ex Pfeiffer) Borg 1937

  • Cereus baxaniensis Karwinsky ex Pfeiffer 1837

 

Plants shrubby, 40-60 cm (16-24 in) high. Stems short, arising basally, gray-green, erect, producing new buds from the tips of the older stems.
Ribs 5-7, thin, to 1.5 cm (0.6 in) high.
Areoles gray, to 3.5 cm (1.4 in) apart.
Central spine one, awl shaped, erect, whitish, to 3 cm (1.2 in) long.
Radial spines 6-8, whitish with yellow tips, 0.5-1.5 cm (0.2-0.6 in) long.
Flowers to 11 cm (4.3 in) long. Fruits ovoid to elliptical, reddish purple, to 5 cm (2 in) long and 4 cm (1.6 in) in diameter, with large areoles bearing white wool and spines.

Distribution: Cuba.

References: Anderson E.F. - The Cactus Family
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Acanthocephala haselbergii

http://cdn2.arkive.org/media/BB/BB6C2B3D-C2A2-4274-B310-5A93B0527696/Presentation.Large/parodia-haselbergii-in-flower.jpg
http://cdn2.arkive.org/media/BB/BB6C2B3D-C2A2-4274-B310-5A93B0527696/Presentation.Large/parodia-haselbergii-in-flower.jpg

Acanthocephala haselbergii* (Haage ex Rümpler) Guiggi 2012

  • – Parodia haselbergii (F. Haage ex Rumpler) F. H. Brandt 1982
    – Echinocactus haselbergii F. Haage ex Rumpler 1885,
    – Malacocarpus haselbergii (F. Haage ex Rumpler) Britton & Rose 1922,
    – Notocactus haselbergii (F. Haage ex Rumpler) A. Berger 1929,
    – Brasilicactus haselbergii (F. Haage ex Rumpler) Backeberg ex Schoff 1942
    – Echinocactus elachisanthus F. A. C. Weber 1904,
    – Notocactus elachisanthus (F. A. C. Weber) Herter 1942,
    – Brasilicactus elaschisanthus (F. A. C. Weber) Backeberg 1959,
    – Parodia elaschisantha (F. A. C. Weber) F.H.Brandt 1982

Plants solitary, globose, bright to gray-green, somewhat depressed apically, 7-8 cm (2.8-3.1 in) in diameter. Ribs 30 or more, somewhat tuberculate, spirally arranged. Areoles white. Central spines 3-5, yellowish, 10-15 mm (0.4-0.6 in) long. Radial spines 60 or more, needle-like, almost bristly, yellowish white, to 10 mm (0.4 in) long. Flowers yellowish red to orange-red to yellowish green, 2.5-3 cm (1-1.2 in) in diameter floral tubes short or absent; pericarpels and floral tubes with small scales, wool, and bristles. Fruits not known.

Distribution: Rio Grande do Sul, Brazil.

References: Anderson E.F. - The Cactus Family
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Acanthocephala graessneri

http://www.ufrgs.br/fitoecologia/florars/imagens/6770071575ea880598b168060edf2f27bda1.JPG
http://www.ufrgs.br/fitoecologia/florars/imagens/6770071575ea880598b168060edf2f27bda1.JPG

Acanthocephala graessneri – (K.Schum.) Guiggi 2012

  • – Echinocactus graessneri K. Schumann 1903,
    – Malacocarpus graessneri (K. Schumann) Britton & Rose 1922,
    – Notocactus graessneri (K. Schumann) A. Berger 1929,
    – Brasilicactus graessneri (K. Schumann) Backeberg 1942,
    – Parodia graessneri (K. Schumann) F. H. Brandt 1982,
    – Parodia haselbergii subsp. graessneri (K. Schumann) Hofacker & P. J. Braun 1998,

Plants solitary, globose, bright to gray-green, somewhat depressed apically, 7-8 cm (2.8-3.1 in) in diameter. Ribs 30 or more, somewhat tuberculate, spirally arranged. Areoles white. Central spines 3-5, yellowish, 10-15 mm (0.4-0.6 in) long. Radial spines 20 – 60 or more, needle-like, almost bristly, yellowish white, to 10 mm (0.4 in) long. Flowers yellowish to yellowish green, 2.5-3 cm (1-1.2 in) in diameter floral tubes short or absent; pericarpels and floral tubes with small scales, wool, and bristles. Fruits not known.
Distribution: Rio Grande do Sul, Brazil.

References: Anderson E.F. - The Cactus Family