Xerophyte

Central Spines

0-1, straight, stright or slightly curved downwards, thick, 14-16 mm long, reddish-brown to dark mahogany, becoming grey.

Seeds

1 x 1.2 mm, brownish, reniform, smooth, shiny, reticulate.

Description

Coryphantha pseudoechinusSN|10157]]SN|10393]] subsp. laui (Bremer) Dicht & A. Liithy is very similar to the standard Coryphantha echinusSN|10393]]SN|10157]], with the exception of yellow flowers and slightly different skin and spination colour.

Tubercles

Conical, somewhat flattened on the upper side, up to 13 mm long, with narrow groove on upper surface, sometimes with yellowish glands near the areoles. Axils woolly in youth.

Flowers

funnelform,Pale yellow, 3.5 cm long, 3 cm diameter. Outer perianth segments linear lanceolate, light yellow with green near the tip, and reddish-brown dorsal midstripe.Onner perianth segments linear lanceolate, light yellow. Flaments glassy white, anthers light orange. Style pale green with 5-7 cream-white stigma lobes.

Stem

Solitary or group-forming, globose to ovoid, apex slightly depressed, white woolly, 5.5 cm across and up to 5 cm tall, grass-green.

Radial Spines

18-20, needle-like, often bristly, flexible, 10-14 mm long, yellowish-horn-coloured.

Fruits

Egg-shaped, up to 18 mm long and 8 mm wide, jade-green, succulent, with attached flower remnants.

Areoles

Round, 2 mm diameter at fist woolly soon naked.