All Pricklypears

Opuntia pyrocarpa, Fiery-fruit Pricklypear

Leave a Comment / All Pricklypears, Fiery-fruit Pricklypear / Joseph

Griffiths, Bulletin of the Torrey Botanical Club 43(2): 90, 1916 Isotype; Herbarium; Herbarium; Herbarium; Herbarium (O. griffithsiana); Herbarium (O. griffithsiana); Herbarium (O. reflexa); Herbarium (O. convexa); Painting; Painting (O. convexa) Original Description What is Opuntia pyrocarpa? Opuntia pyrocarpa is a commonly encountered prickly pear cactus in south-central to north-central Texas, where it often grows in […]

Opuntia pyrocarpa, Fiery-fruit Pricklypear Read More »

Opuntia pusilla (O. drummondii), Cockspur Pricklypear

2 Comments / All Pricklypears, Cockspur Pricklypear / Joseph

(Haworth) Haworth, Synopsis Plantarum Succulentarum 195, 1812 Neotype; Neotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium (O. frustulenta); Painting Original Description What is Opuntia pusilla? Opuntia pusilla is a small prickly pear cactus of the Atlantic Coastal Plants from North Carolina, and across parts of northern Florida

Opuntia pusilla (O. drummondii), Cockspur Pricklypear Read More »

Opuntia polyacantha, Common Pricklypear

2 Comments / All Pricklypears, Canyon Pricklypear, Dwarf Mountain Cactus, Juniper Pricklypear, Mojave Pricklypear, Plains Pricklypear, Porcupine Cactus, Utah Hunger Cactus / Joseph

Haworth, Supplementum Plantarum Succulentarum 82, 1819 Original Description What is Opuntia polyacantha? Opuntia polyacantha is a variable prickly pear cactus ranging from Mexico near California, to Texas, to the Rocky Mountain states, the Great Plains, and north into Alberta and Saskatchewan. In 2018, a disjunct population was discovered in the Thousand Islands region of Ontario, Canada. This

Opuntia polyacantha, Common Pricklypear Read More »

Opuntia pinkavae, Houserock Pricklypear

Leave a Comment / All Pricklypears, Houserock Pricklypear / Joseph

Parfitt, Rhodora 99(899): 223, 1997 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description What is Opuntia pinkavae? Opuntia pinkavae is a small prickly pear cactus. Long before the publication of the name, pinkavae, this Opuntia was distributed under the name O. kaibabensis. However, that name was never officially published. It is a

Opuntia pinkavae, Houserock Pricklypear Read More »

Opuntia sp nova aff macrocentra

Leave a Comment / All Pricklypears / Joseph

Introduction Different observers have recorded this unidentified Opuntia growing in southern New Mexico near Las Cruces, near El Paso, Texas, and in adjacent Mexico. This cactus may grow alongside O. macrocentra and is similar to O. macrocentra. But, this unidentified taxon is more upright, has a different bloom period, and is a taller prickly pear.

Opuntia sp nova aff macrocentra Read More »

Opuntia sp nova aff engelmannii

Leave a Comment / All Pricklypears / Joseph

Introduction This Opuntia has been observed growing in very rocky situations in central and north-central New Mexico. This prickly pear cactus resembles O. engelmannii but is a spinier and smaller cactus. Even gracile forms or shade-grown plants have a spinier appearance than O. engelmannii. Prickly pear cacti from different locations in New Mexico are depicted

Opuntia sp nova aff engelmannii Read More »

Opuntia nitens, Shiny Florida Pricklypear

Leave a Comment / All Pricklypears, Shiny Florida Pricklypear / Joseph

Small, Manual of the Southeastern Flora 906, 1933 Herbarium Original Description What is Opuntia nitens? Opuntia nitens is a small (1 m tall but often shorter), semi-erect prickly pear cactus that grows in Florida that is related to O. austrina. See Majure et al., 2017. Details Cladodes are 6-15 cm long and dull-green or yellow-green.

Opuntia nitens, Shiny Florida Pricklypear Read More »

Opuntia nicholii, Nichol Pricklypear

Leave a Comment / All Pricklypears, Nichol Pricklypear / Joseph

L.D. Benson, The Cacti of Arizona edition 2, 48, 1950 Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium Original Description What is Opuntia nicholii? Opuntia nicholii is an uncommonly encountered prickly pear cactus occurring in isolated locations in far-north, central Arizona and adjacent southern Utah. Details O. nicholii can be large and sprawling,

Opuntia nicholii, Nichol Pricklypear Read More »

Opuntia martiniana, Hualapai Pricklypear

Leave a Comment / All Pricklypears, Hualapai Pricklypear / Joseph

(L.D. Benson) B.D. Parfitt, Systematic Botany 5(4): 416, 1980 [1981] Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium It is proposed that O. martiniana is related to O. chlorotica chlorotica O. curvospina is a related species Original Description What is Opuntia martiniana? Opuntia martiniana is a prickly pear cactus found sporadically at the

Opuntia martiniana, Hualapai Pricklypear Read More »

Opuntia macrorhiza, Prairie Pricklypear, Prarie Rose

2 Comments / All Pricklypears, Prairie Pricklypear / Joseph

Engelmann, Boston Journal of Natural History 6: 206, 1850 Holotype; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium; Herbarium (O. macrorhiza-like); Herbarium; Herbarium Herbarium; Herbarium; Print (Britton and Rose, v1 1919, plate XXVIII); Print (Addisonia, 1916, plate 19); Print See O. cespitosa, a similar eastern plant O. pottsii can be mistaken for O. macrorhiza. Original Description

Opuntia macrorhiza, Prairie Pricklypear, Prarie Rose Read More »