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Opuntia mojavensis 0

Opuntia mojavensis

(Front Photograph = Opuntia mojavensis in winter.) Introduction Opuntia mojavensis is an enigma. The only historical drawing shows 2 spine clusters and an immature fruit. The herbarium sheet (lectotype) also has limited material. The Details...

Stenocereus gummosus, Amante Darmanin 0

Stenocereus queretaroensis Seed Germination

(Photograph: Stenocereus gummosus, el Vizcaino, Baja California del Sur, Amante Darmanin) Introduction Seeds of wild plants need special conditions to germinate: “…seeds may readily germinate following an early summer rain, but fail to respond to winter...

Agave parryi, Doug Felt 0

Agave parryi

(Photograph: Agave parryi, Doug Felt) Introduction Agave parryi is a handsome agave that is found in Texas, New Mexico, southern Arizona, and south into Mexico. It has been known as A. chihuahuana and A....

Ferocactus gracilis gatesii, Christian Defferrard 0

Flora of Baja California

(Photograph: Ferocactus gracilis gatesii, Christian Defferrard) Introduction Baja California (del norte) is the upper state on the Baja peninsula of Mexico. The southern state is Baja California del Sur. Both states have beautiful desert scenery...

Mammillaria albata, Amante Darmanin 0

Mammillaria geminispina/albata

(Photograph: Mammillaria albata, Amante Darmanin) Introduction Hundreds of species have been described for the genus, Mammillaria. Today, about 170 are accepted by botanists (Anderson, 2001). The genus is very popular, in part because many...

Sclerocactus johnsonii, Nancy Hussey 0

Sclerocactus johnsonii

(Photograph: Sclerocactus johnsonii, Nancy Hussey) Introduction Sclerocactus johnsonii has been a MEMBER of various genera: Echinocactus, Echinomastus, Ferocactus, Neolloyeia, Thelocactus, and even Pediocactus. It seems to be in the right genus now. Local populations dot...

Trichocereus pascana, Lleonora Enking 0

It’s Echinopsis Now, not Trichocereus

(Photograph: Trichocereus pascana, Lleonora Enking) Introduction As a genus, Trichocereus has a long and honorable history. The name was established in 1909. Later discussions (e.g., Britton and Rose, vol 2) refuted the idea of combining...

Agave tequiliana, Jay8085 0

Agaves, Tequila and Mezcal

(Photograph: Agave tequiliana production farm, Jay8085) Introduction Tequila is a distilled spirit made from Agave tequiliana, a narrow-leaved blue agave. Mezcal (mescal) is made from fermented and distilled agave too, but it can be made...