Disocactus biformis

(L)Lem

◊ In: Edwards's Bot. Reg. 31 pl. 9 (1845)
◊◊ Cereus biformis Lindl - In: Edwards's Bot. Reg. 29: misc. 51 (1843)
Cereus biformis Pfeiff. - Enum. Diagn. Cact. 114 (1837)
Disicocactus biformis (Lindl)Kunze - Bot. Zeitschr. 3:533 (1845)
Disisocactus biformis Salm-Dyck - Cact. Hort. Dyck. 1849: 57 (1850) nom. inval.
Phyllocactus biformis (Lindl)Labouret - Monogr. Cact. 418 (1853)
Epiphyllum biforme (Lindl)GDon - In: Loudon, Encycl. Pl. ed. 3, 1378 (1855)

- Main stem 15-40 cm long. Stems lanceolate, 5-8 cm long, 1-2 cm broad, only weakly crenate. Flower 5-6 cm, not widely opening, red. Receptacle 1 cm long. Petals linear, lilac. Stamens somewhat protruding, red. Stigmas white. Fruit pear-shaped, 1.5 cm long, wine red, naked. Seeds black. Self-fertile.

- Guatamala: Quezaltenango, Sacatepéquez, Solalá (dep. Sacatepéquez), 1400 m, Chinaltenango; El Salvador: Santa Ana, 1000-1900 m; Honduras. On large trees in cloud and deciduous forests.

Cact. 4:202, plate 32
Frst&Rmpl 875, 876'
Succulenta 6(11):167"
Ep. Hb. 121",122',165
Backeberg 2:764"
Epiphytes 5-20:67'
Bravo 1:518
Haseltonia 1:111 (1993)
EPIG 10(2):48", 14(2):44"; 56:27; 86:27-29"
Cact. Syst. Init. 17:18 (2003)
KuaS 56(8):204-205
NCL 77"