Lycium cooperi
Lycium cooperi
Lycium cooperi is a plant of the genus Bock mandrels ( Lycium ) in the nightshade family (Solanaceae ).
Description
Lycium cooperi is a 0.6 to 2 m tall, vigorous, densely branched shrub that is armed with spines. Its leaves are 1 to 3.5 mm long and 0.4 to 1.3 mm wide and densely glandular- hairy or sticky or glabrous.
The flowers are hermaphroditic and fünfzählig. The cup is bowl - or oblong - campanulate, glabrous or glandular- hairy. The calyx tube reaches a length of 4 to 14 mm. The crown is greenish- white with violet colored veins. Its shape is triangular - ovate. The corolla tube is 8 to 15 mm long, the length of the Kronlappen corresponds to 1/ 4 to 1 /5 of the length of the corolla. The stamens are sparsely hairy at the base, the detached part is hairless.
The fruit is a greenish-yellow, egg-shaped and provided with a constriction berry with a length of 5 to 10 mm. It contains in the upper sclerenchyma region containing each carpel and five to eight seeds at the bottom of each one to two seeds.
Occurrence
The species is widespread in North America and is present there in the U.S. states of Arizona, California and Nevada.
System
Molecular biological studies place the species together with Lycium macrodon, Lycium pallidum Lycium Lycium puberulum and shockleyi in a clade that is as Schwesterklade to autonomously run Grabowskia species within the genus Lycium.