Grusonia molesta
Tephrocactus Study Group 12(3): 44. 2006 (Published under the pseudonym Errol Goodwyn)
Family
Cactaceae
Genus
Species
Grusonia molesta
Author
(Brandegee) G.D.Rowley
Chinese genus
白峰属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Leaves
Linear, 10 mm long or less.
Seeds
6 mm in diameter, irregular in shape.
Description
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Stem Segments
Joints clavate to subcylindrical, firmly attached, 7-12(-40) cm long, and 1-3 cm wide, sometimes as much as 4 cm in diameter at the top, pale green to grey-green (sometimes glaucous) , with low, broad tubercles, these elongated and often 4 cm. long or more.
Flowers
Purple bronze but also yellow, greenish-bronze or dark maroon, showy,19-26 mm long and 3-5 cm in diameter. CylindrSN'>16362' alt='16363'>Opuntia molesta#SN#16363'>Cylindr[[Opuntia molestaSN' style='border
Blooming Season
Spring (April to June).
Fruits
Ovoid, green, yellow at maturity, the fleshy fruits are 2-4 cm long and deeply excavated at the apex, distinctly tuberculate,spineless or with scattered spines.
Areoles
Widely elliptical, with yellowish brown wool and yellowish brown glochids, 1-2.5 mm long. In the areoles are also present small, cupshaped extrafloral nectaries, the sites at which ants appear to fill their stomach with nectar and the location of nectar buildup when ants were excluded from the plants.