© Botanical Garden
Endangered
CITES App. II
Cactus monacanthos
Enum. Pl. Suppl. [Willdenow] 33 1814.
Family
Cactaceae
Genus
Species
Cactus monacanthos
Author
Willd.
Chinese genus
-
Chinese name
-
Primary
Accepted
DescriptionEdit description
Seeds
Covered by a bony aril.
Stem Segments
Oblong to obovate, tapered towards the base, 10-30 cm long, 7,5-12,5 cm wide glossy green, and with an irregular margin.
Flowers
5-7,5 long, 7,5-10 cm broad, yellow to deep orange brown, outer perianth-segments reddish. Styles and stigmas white. Ovary of 4 cm, unarmed.
Chromosome Number
2n = 32
Spines
1 or 2, slender, unequal, 1-4 (6) cm long, brown towards tip and base, greyish between, spines more numerous on trunk.
Fruits
Pear-shaped, 5-7,5 cm long, 4-5 cm in diameter, reddish purple.
Areoles
Widely separated .