The Cactaceae : descriptions and illustrations of plants of the cactus family . naeus, Sp. PI. 468. 1753. Cereus compressus Miller, Gard. Diet. ed. 8. No. 10. 1768. Cereus triangularis Haworth, Syn. PI. Succ. 180. 1812. High-clambering or creeping vines, sharply 3-angled, 3 to 4 cm. broad, giving off numerouslong aerial roots; margin not horny, nearly straight or slightly elevated at the areoles; areoles about2 cm. apart; principal spines 6 to 8, acicular, but with swollen bases; flowers 20 cm. long or more;outer perianth-segments linear-lanceolate, acuminate, 6 to 8 cm. long, longer than the
The Cactaceae : descriptions and illustrations of plants of the cactus family . naeus, Sp. PI. 468. 1753. Cereus compressus Miller, Gard. Diet. ed. 8. No. 10. 1768. Cereus triangularis Haworth, Syn. PI. Succ. 180. 1812. High-clambering or creeping vines, sharply 3-angled, 3 to 4 cm. broad, giving off numerouslong aerial roots; margin not horny, nearly straight or slightly elevated at the areoles; areoles about2 cm. apart; principal spines 6 to 8, acicular, but with swollen bases; flowers 20 cm. long or more;outer perianth-segments linear-lanceolate, acuminate, 6 to 8 cm. long, longer than the inner seg-ments; inner perianth-segments white, oblong; scales on the ovary and flower-tube oblong, green,2 to 5 cm. long; fruit red. Type locality: Jamaica. Distribution: Very common on rocks and trees along the coast of Jamaica. Plants of H. triangularis were collected by John F. Cowell in Panama, probably notnative there, however. Cereus triangularis pictus De Candolle (Prodr. 3: 468) is said to have yellow or yellowand green joints, with spines often setiform, not Fig. 268.—Hylocereus trigonus. BRITTON AND ROSE. VOL. II.
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Keywords: ., bookauthorbrittonn, bookcentury1900, bookdecade1910, bookyear1919
