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Peniocereus greggii (Nightblooming cereus) | NPIN
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Peniocereus greggii

Peniocereus greggii (Engelm.) Britton & Rose

Nightblooming cereus, Night-blooming Cereus

Cactaceae (Cactus Family)

Synonym(s):

USDA Symbol: PEGR3

USDA Native Status: L48 (N)

Few angular, gray, thin, barely spiny, twiggy stems resembling a small dead bush; flowers large, white.

This cactus, sometimes placed in the larger genus Cereus, is inconspicuous most of the year. When in bloom, it is easily spotted only in the evening and early morning when its spectacular night-blooming flowers are open. It is very popular in desert rock gardens and in the cactus trade; when a population is found, all too often the large, turnip-like roots are quickly dug up. It can be grown from stem cuttings, if the cut end is allowed to heal in shade for several weeks before it is planted in dry sand. The plant is legally protected in most of its range and should be left in the wild.

The species name “greggii” was named for Josiah Gregg, (1806-1850). He was born in Overton County, Tennessee. In the summer of 1841 and again in the winter of 1841-42 he traveled through Texas, up the Red River valley, and later from Galveston to Austin and by way of Nacogdoches to Arkansas. He took note of Texas geology, trees, prevalent attitudes, and politics. At the same time, Gregg began compiling his travel notes into a readable manuscript. His “Commerce of the Prairies”, which came out in two volumes in 1844, was an immediate success. In 1848 he joined a botanical expedition to western Mexico and California, during which he corresponded with and sent specimens to the eminent botanist George Engelman in St. Louis. Subsequently, the American Botanical Society added the Latin name “greggii” in his honor to twenty-three species of plants. Gregg died on February 25, 1850, as a result of a fall from his horse.

 

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Plant Characteristics

Duration: Perennial
Habit: Shrub , Cactus/Succulent
Flower:
Fruit:

Bloom Information

Bloom Color: White , Pink
Bloom Time: Jun
Bloom Notes: Night-blooming

Distribution

USA: AZ , NM , TX
Native Distribution: Southern Arizona east to western Texas and south to northern Mexico.
Native Habitat: Desert flats and washes.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Tohono Chul Park, Inc. - Tucson, AZ

Bibliography

Bibref 1141 - Cactuses of Big Bend National Park (1998) Evans, Douglas B.

Search More Titles in Bibliography

Additional resources

USDA: Find Peniocereus greggii in USDA Plants
FNA: Find Peniocereus greggii in the Flora of North America (if available)
Google: Search Google for Peniocereus greggii

Metadata

Record Modified: 2008-07-09
Research By: TWC Staff

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