Echinofossulocactus arrigens f. cristatus
Echinofossulocactus arrigens f. cristatus
Family
Cactaceae
Genus
Species
Echinofossulocactus arrigens f. cristatus
Author
hort.
Chinese genus
多棱球属
Chinese name
-
Accepted
DescriptionEdit description
Central Spines
3-4 very flattened, whitish, yellowish, brownish to almost black, often darker at the tip, directed upwards ± rigid, ferocious-looking, straight or curved, unequal with one very long (from 1 to 10 cm long) and 1-5 mm wide at the base
Seeds
1 mm long x 0,9 mm wide, pyriform to reniform, black. Head with celled and wavy wall.
Description
The standard Stenocactus arrigensSN|6244]]SN|6244]]is (syn
Flowers
Central, rather small, up to 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
Thin, more or less folded, very regularly and attractively waived, depressed in the region of areoles. The flattened, wavy or curled ridges of this species are characteristic of other kinds of Echinofossulocactus.
Stem
Fan shaped, up to 20 cm tall, 5-10 cm thick, bluish-green, dark matt green or dark olive-green.
Radial Spines
Usually 4 to 6 flattened, whitish to brownish, 0,5 to 1 cm long and about 0,6-1 mm wide at the base.
Fruits
8-12 mm long, 4-6 mm wide, obovoid reddish to greysh, dry at maturity.
Areoles
1 to 3 in each ribs, woolly in youth, later naked.