Notocactus ottonis var. tenebrosus
Notocactus ottonis var. tenebrosus
Family
Cactaceae
Genus
Species
Notocactus ottonis var. tenebrosus
Author
n.n.
Chinese genus
南国玉属
Chinese name
-
Accepted
DescriptionEdit description
Habit
Simple at first later usually clustering.
Central Spines
1 (or more), brown or black, about 20 mm long tending to point downward.
Seeds
Bell-shaped glossy black.
Flowers
Large up to 6 cm in diameter, few often closely packed apically, bright satiny yellow, pericarpels and tube with dense white to brownish wool and bristles. Stigma-lobes purplish.
Spines
Slender hair-like, straight or slightly curved, relatively sparse that does not hide the epidermis.
Ribs
about 12, well defined rounded.
Stem
More or less spherical with flattened top, deep-green and can get deep purplish to maroon during winter dormancy, though this colour can be retained if grown in sufficient light. However the new growth is green but will soon darken to match the older epidermis.
Radial Spines
about 12 spreading radially, with a starlike appearance, whitish, pale rose or brown about 10 mm long.
Fruits
Ovoid to short oblong dehiscent lengthwise to expose the seeds and white pulp.