Trichocereus thelegonoides Spegazzini

Cereus thelegonoides Spegazzini, Anal. Mus.

More or less branched above; trunk to 6 meters high, cylindric, 18 cm. in diameter; branches more or less curved, ascending, 5 to 8 cm. in diameter, obtuse at apex; ribs 15, low, obtuse, at first strongly tubercled by a strong depression between the areoles, but gradually disappearing in age; areoles small, circular, felted; spines 8 to 10, yellow or brownish, setaceous, short, 4 to 8 mm. long; flowers 20 to 24 cm. long, greenish without; inner perianth-segments oblanceolate, acute, white; scales on the ovary and flower-tube hairy in their axils.

Type locality: Jujuy, Argentina.

Distribution: Northern Argentina.

Living specimens were brought from Argentina by Dr. Rose in 1915.

Fig. 189.—Trichocereus thelegonus.

3. Trichocereus spachianus (Lemaire) Riccobono, Boll. R. Ort. Bot. Palermo 8: 237. 1909.

Cereus spachianus Lemaire, Hort. Univ. 1: 225. 1840.

Echinocereus spachianus Rümpler in Förster, Handb. Cact. ed. 2. 827. 1885. Cereus santiaguensis Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 478. 1905.

Stem upright, at first simple, later profusely branching at the base; branches ascending parallel with the main stem, 6 to 9 dm. high by 5 to 6 cm. in diameter, columnar; ribs 10 to 15,

obtuse, rounded; areoles about 1 cm. apart, large, covered with curly yellow wool, becoming white; radial spines 8 to 10, 6 mm. to 1 cm. long, spreading, stiff, sharp, amber-yellow to brown; central solitary, stronger and longer than the radials; all the spines later becoming gray; flowers about 20 cm. long by about 15 cm. in diameter, white.

Type locality: Argentina, but definite locality not cited. Distribution: Western Argentina.

This species was named for Edward Spach (1801-1879).

Illustrations: Monatsschr. Kakteenk. 10: 93; Rep.

Building Your Own Greenhouse

Building Your Own Greenhouse

You Might Just End Up Spending More Time In Planning Your Greenhouse Than Your Home Don’t Blame Us If Your Wife Gets Mad. Don't Be A Conventional Greenhouse Dreamer! Come Out Of The Mould, Build Your Own And Let Your Greenhouse Give A Better Yield Than Any Other In Town! Discover How You Can Start Your Own Greenhouse With Healthier Plants… Anytime Of The Year!

Get My Free Ebook

Post a comment