CHILEOREBUTIA-Thelocephala llanensis Cactus pack of 20 seeds

CHILEOREBUTIA Description: Eriosyce napina var. tenebrica is a slow growing, small geophytic cactus usually unbranched [or rarely branched], deep-seated in substrate.
Stem: Dark greyish brown or greenish-black, spherical to flattened 2-4(-7) cm in diameter.
Root: It has a 7-12 cm long, conical taproot sometime separated from the stem by a constriction neck.
Ribs: 12, subdivided into somewhat angular tubercles 5-13 mm in diameter and 3-6 mm high, that are very blunt at top, without or with a very small chin and with separation furrows quite narrow.
Areoles: At top of tubercles, not sunken, the flower bearing ones 3-8 mm long, 1,5-4 mm wide, grey felted, 3-12 mm apart.
Radial spines: (0-)3-6(-7) thin, 1 to 2(-39 mm long, black, subulatae or curved, partially protruding.
Central spines: Absent [or rarely one, very short].
Flowers: Appearing at apex from young areoles, closing at night, funnel-shaped, yellow to light reddish-brown 40-55 mm long, 30-55 mm in diameter at anthesis, with a variable fragrance. Pericarpel 7 mm Long, 8 mm thick, olive green, with 1-2 mm long with few narrow grey scales. Nectar chamber 2-6 mm long, lower part flat to deep bowl-shaped, purple becoming clear above. Flowers tube funnel shaped, 10-15 mm long,13-20 mm wide, inside pale, outside, as the pericarpel. Filaments 7-17 mm long white or pale yellow, ruby red above. Anthers cream. Style purple 24-32 mm long, stigma lobes 11-14 not or slight protruding above the anthers. Tepals 20-30 mm long, 4-9 mm wide, the midrib purple, paler at margins. Pericarpel and floral tube olive green, filled with long, fluffy, grey (never white) wool and numerous black bristles 10-20 mm long.
Fruit: Elongate, 15-20 mm long, 10-15 mm wide, black-green becoming brown at maturity, dry, hollow, wind dispersed and opening by a basal pore.
Seeds: 1,2 mm long, 1,0 mm wide, 0,7 mm thick, omewhat sticky, black, subreniformis, tubercled, hilum sub-basal, oval.
Notes: The first description as Thelocephala tenebrica was made by Friedrich Ritter in 1980. Fred Kattermann introduced her to the genus Eriosyce in 1994.