|Scientific Name||Cylindropuntia imbricata var. argentea (Opuntia imbricata var. argentea)||USDA PLANTS Symbol||CYIMA|
|Common Name||Big Bend Cholla||ITIS Taxonomic Serial No.||913455|
|Description|| Habitat: Gravelly limestone soils of hills, washes and flats 2000 to 2400 feet elevation; endemic to a small portion of Big Bend National Park around the Mariscal Mtn. and into Mexico.|
Plant: Shrub less than 4 feet tall, densely spined and branched with relatively short, stout joints (compared to C. imbricata var. imbricata).
Pads & Spines: Joints 4 to 8 inches long, 3/4 to 1-1/2 inches in diameter; tubercules up to 3/4-inch long; areoles more closely spaced than other imbricata; silvery spines with 10 to 20 spines per areole.
Inflorescence: Flowers 2 inches across with pinkish to deep magenta tepals, outer ones having an olive hue in the middle portion; deep reddish-purple filaments less than 3/8-inch long; light yellow to cream-colored anthers; style about 3/4-inch long or less with cream-colored, stigma lobes.
Bloom Period: Early April.
Fruit: Yellow, spineless, inverse conical, 1 to 1-5/8 inches long, 3/4 to 1 inches across with deep tubercules; long-lasting.
References: "Little Big Bend" by Roy Morey, "Cacti of Texas" by Powell, Weedin and Powell and "Manual of the Vascular Plants of Texas" by Correll and Johnston.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023