Echinopsis hammerschmidii Crdenas 1956

Plants solitary or forming clusters. Stems globose to short cylindrical, dark green, slightly depressed apically, 6-10 cm (2.4-3.9 in) high, 7-9 cm (2.8-3.5 in) in diameter. Ribs about 15, acute, notched, to 1.5 cm (0.6 in) high. Areoles round, gray, to 1 cm (0.4 in) apart. Spines needle-like, swollen basally, dark gray. Central spine one, horizontal, 1.5-2 cm (0.60.8 in) long. Radial spines 8-9, slightly unequal, 0.6-1.2 cm (0.2-0.5 in) long. Flowers borne near the stem tips, narrow funnelform, white, to 18 cm (7.1 in) long and 7 cm (2.8 in) in diameter. Fruits globose to elliptical, dark green, dehiscent, dry. Distribution: Velasco province, Santa Cruz, Bolivia.

Echinopsis hertrichiana (Backeberg) D. R. Hunt 1991 scarlet cob

Lobivia hertrichiana Backeberg 1933, Neoiobivla hertrichiana (Backeberg) F. Ritter 1981, Echinopsis backebergii subsp. hertrichiana (Backeberg) G. D. Rowley 1982 Lobivia allegraiana Backeberg 1935 Lobivia blnghamlana Backeberg 1935

Lobivia incaica Backeberg 1935, Neolobivia incaica (Backeberg) F. Ritter 1981

Lobivia planiceps Backeberg 1935

Lobivia huilcanota Rauh & Backeberg 1957

Lobivia minuta F. Ritter 1963, Neolobivia minuta (F. Ritter) F. Ritter 1981

Lobivia vilcabambae F. Ritter 1963, Neolobivia vilcabambae (F. Ritter)

F. Ritter 1981

Lobivia simplex Rausch 1972

Lobivia echinata Rausch 1973, Neolobivia echinata (Rausch) F. Ritter 1981

Lobivia laui Donald 1974

Plants solitary or forming clusters. Stems globose, glossy light green, to 10 cm (3.9 in) in diameter. Ribs about 11, acute, deeply furrowed. Areoles round, white. Central spine one, curved upward, straw colored, to 2.5 cm (1 in) long. Radial spines 6-8, spreading, yellowish brown, to 1.5 cm (0.6 in) long. Flowers fairly large, rotate, various shades of bright red, often with whitish throats, to 6 cm (2.4 in) long and 7 cm (2.8 in) in diameter. Fruits small, globose. Distribution: southeastern Peru.

Echinopsis huascha (F. a. C. Weber) h. Friedrich &

G. D. Rowley 1974

Cereus huascha F. A. C. Weber 1893, Trichocereus huascha (F. A. C. Weber) Britton & Rose 1920, Lobivia huascha (F. A. C. Weber) W. T. Marshall 1938, Helianthocereus huascha (F. A. C. Weber) Backeberg 1951 Cereus andalgalensis F. A. C. Weber 1897, Lobivia andalgalensis (F. A. C. Weber) Britton & Rose 1922, Trichocereus andalgalensis (F. A. C. Weber) Hosseus 1939, Helianthocereus andalgalensis (F. A. C. Weber) Backeberg 1951 Lobivia grandiflora Britton & Rose 1922, Chamaecereus grandiflorus (Britton & Rose) Fric 1931, Helianthocereus grandiflorus (Britton & Rose) Backeberg 1955 Lobivia hyalacantha Spegazzini 1925, Helianthocereus hyalacanthus

(Spegazzini) Backeberg 1959 Echinopsis loblvioides Backeberg 1934, Pseudolobivia lobivioides (Backeberg) Backeberg ex Krainz 1942, Trichocereus lobivioides (Backeberg) R. Gräser & F. Ritter 1980 Helianthocereus pecheretlanus Backeberg 1955, Echinopsis pechere-

tiana (Backeberg) H. Friedrich & G. D. Rowley 1974 Trichocereus grandiflorus Backeberg 1966 Trichocereus rowleyi H. Friedrich 1974, Echinopsis rowleyi (H. Friedrich)

R. Kiesling 1978 Lobivia purpureominiata F. Ritter 1980 Trichocereus catamarcensis F. Ritter 1980

Plants commonly branching basally, forming low clumps to 1 m (3.3 ft) high with several upright or decumbent stems. Stems cylindrical, 4-5 cm (1.6-2 in) or more in diameter. Ribs 14-17, low, rounded. Areoles to 1 cm (0.4 in) apart. Spines needle-like, yellowish to brownish. Central spines 13, somewhat thicker than the radials, 2-7 cm (0.8-2.8 in) long. Radial spines 9-11, to 1.5 cm (0.6 in) long. Flowers variable, borne near the stem tips, open during the day, fun-nelform to bell shaped, red to yellow to orange, to 10 cm (3.9

in) long, 6-7 cm (2.4-2.8 in) in diameter; pericarpels and floral tubes with dense hairs. Fruits globose to ovoid, yellowish green or reddish, to 3 cm (1.2 in) in diameter. Distribution: northern Argentina.

Echinopsis huotii (Cels) Labouret 1853 Echinocactus huotii Cels 1847

Echinopsis vallegrandensis Cárdenas 1959, E. huotii subsp. valle-

grandensis (Cárdenas) G. Navarro 1996 Echinopsis pamparuizii Cárdenas 1970

Plants solitary at first, later branching basally to form small clumps. Stems globose to cylindrical, erect, dark green, to 35 cm (14 in) high and 8 cm (3.1 in) in diameter. Ribs 9-11, notched, to 1.2 cm (0.5 in) high. Areoles yellowish white. Central spines 1-4, erect, awl shaped, brown, to 4 cm (1.6 in) long. Radial spines 9-11, needle-like, to 2 cm (0.8 in) long. Flowers borne laterally, white, 17-20 cm (6.7-7.9 in) long. Distribution: Bolivia.

Two subspecies of Echinopsis huotii are recognized. Subspecies huotii tends to be cylindrical, with 4 central spines. Subspecies vallegrandensis tends to be globose, rarely exceeding 9 cm (3.5 in) in height, with only one central spine; it is restricted to Vallegrande province.

Echinopsis huascha, also illustrated on page 2
Echinopsis huotii subsp. huotii

Continue reading here: Echinopsis hystrichoides F Ritter 1980

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