Appearance
The stems of the plant are ascending or climbing. Its branches are in clusters at intervals along the stem, to 1 m long or more, 7–15 cm wide, flat with few aerial roots; the lobes are 25–45 mm long and 10–16 mm wide, somewhat tapered towards the rounded apex; areoles are small; epidermis is green to yellowish green, smooth. The edges are deeply lobed.The fragrant flowers are 10 to 12 centimeters long and 15 to 17 centimeters in diameter. The outer bracts are purple and spread out until they are bent back. The inner bracts are ascending, cream-colored and yellow towards the flower throat. The seed vessel is 15–20 mm long and green in color. The pericarpel is covered with numerous small scales with gray wool, bristles and thorns.
The fruits are round or oval and up to 6 cm. They are full of thorny areolae, which drop off as they mature. Seeds are 2 x 1.5 mm, black in color.
Habitat
"S. anthonyanus" is endemic to moist lowland rainforest of southern Mexico, in the states of Chiapas, Oaxaca, Tabasco and Veracruz growing at altitudes of 180 metres to 500 metres.References:
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