Xerophyte

Habit

Solitary or slightly clustering and forming small clumps up to 40 cm across.

Central Spines

4, 15-80 mm long, ochre to greyish, straight or slightly curved, acicular.

Description

Thelocactus panarottoanusSN|1073]]SN|1074]] is the same as Thelocactus conothelos subs. flavusSN|1074]]SN|1073]], but the epitet panarottoanus has priority over flavus at species rank, bur at subspecies rank flavus is the correct epithet to be used. The two taxon are exactly the same.

Tubercles

Conical, basally rhomboid 8-17 mm long,

Flowers

30-45 mm wide, yellow. Anthers and stigma yellow

Blooming Season

Spring.

Ribs

Completely divided into tubercles arranged in 8 and 13 spirals,

Stem

Globose, single heads 5-12 cm wide, olive green to purplish

Radial Spines

3-5, 7-35 (or more) mm long, ochre to greyish, straight, acicular.

Areoles

With glands.