Echinofossulocactus dichroacanthus
Cactaceae (Britton & Rose) 3: 117. 1922 [12 Oct 1922]
Family
Cactaceae
Genus
Species
Echinofossulocactus dichroacanthus
Author
(Mart. ex Pfeiff.) Britton & Rose
Chinese genus
多棱球属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Habit
It is a solitary plant (or rarely branching).
Central Spines
2-3 very flattened, purplish, directed upwards, ferocious-looking, straight or curved, unequal with one very long.
Flowers
Several at a time at plants apex, rather small, 2-4 cm long, funnel-shaped. Perianth segments in two series, pale pink with a purplish midrib, oblong-linear, acute. Flower tube well developed, covered with imbricating scales.
Blooming Season
Late spring to summer.
Ribs
(25-)30-60(-80) thin, acute, very regularly and attractively waived and depressed in the region of areoles. The flattened, wavy or curled ridges of this species are characteristic of other kinds of Echinofossulocactus.
Stem
Obovoid up to 15 cm tall, 10 cm wide, somewhat umbilicated at apex, yellowish green, bluish-green, dark matt green or dark olive-green.
Radial Spines
4 to 6 glassy-white.
Fruits
8-12 mm long, 4-6 mm wide, obovoid reddish to greysh, dry at maturity.
Areoles
Only a few in each ribs, white tomentose in youth, later naked.