|Full Description: Cactus species Echinocereus dasyacanthus Aka "Texas Rainbow Cactus" has a 4"+ diameter yellow bloom. This species is commonly called "Texas Rainbow Cactus" due to the subtle rings or bands of contrasting colors along the stem of the plant. Echinocereus dasyacanthus plants are usually found with a single stem or 2-3 basal branches. Though it is not uncommon to find plants with 3-10 stems. The stems of "Texas rainbow cactus" are between 11–24 cm long and 5.5–7 cm wide and usually have 15-18 ribs. The spines usually overlap making the stem not visible. There is a great amount of variation in the spines characteristics. There are typically 4-12 central spines that are .5-1.2 cm long and 14-25 radial spines that are .7–2 cm long. The basic coloration of the spines are tan to yellow to pink. Some spines may be ashy-white to reddish brown, but that is less common.
Common Names : Texas Rainbow Cactus, Texas Rainbow Hedgehog, Yellow pitaya.
Synonyms : Cereus dasyacanthus Engelmann 1848
Echinocereus pectinatus var. dasyacanthus (Engelmann) W. Earle ex N. P. Taylor, Echinocereus rubescens Dams 1909,
Echinocereus spinosissimus Walton 1899,
Echinocereus rigidissimus var. neomexicanus,
Echinocereus pectinatus var. neomexicanus,
Echinocereus ctenoides=Cereus ctenoides.
Flowers : The flowering season for Echinocereus dasyacanthus is between the months of March and May. The large flower of the plant grow at the sides of the stem above the areoles close to the stem apex. The flowers are typically 8–12 cm long and 7–11 cm wide. The flowers smell sweet and are pollinated by bees. In the Trans-Pecos region of Texas the flowers are usually bright yellow with a green throat. Other color the flowers may be include dark to pale yellow, canary yellow, golden yellow or deep red to rose pink. Since this taxon of cacti are mostly yellow flowered, flowers that are beta cyanic and orange are less common. The tepals are relatively thick and durable compared to E. reichenbachii, but thin and soft compared to E. coccineus. The stamens of the flowers have filaments resulting in the floral throat being filled with a funnel of yellow anthers.
Native To : Echinocereus dasyacanthus can be found on rocky slopes of arid mountains, desert floor, in desert grasslands and more mesic habitats. They are distributed throughout Arizona, New Mexico and Texas. It occurs in every county of Texas's Trans-Pecos region except for Val Verde. Texas rainbow cactus can also be spotted as far south as Sonora, Chihuahua, and Coahuila, Mexico.
More Info. : Echinocereus dasyacanthus can be identified as a tetraploid with predominantly yellow flowers. Experiments suggest this is due to the hybridization of E. dasyacanthus and E. coccineus. The E. dasyacanthus received its specific epithet from the two Greek words dasys and akantha, which mean "shaggy" and "thorns" respectively.
Care : Texas rainbow cactus requires little to no maintenance for growing. It requires little water and a lot of sunlight to partial shade. It can grow in soil or rocky sandy substrate. Seeds of Texas rainbow cactus will germinate between 5–180 days. Echinocereus Dasyacanthus if grown outdoors in a pot likes semi-rich potting soil with excellent drainage and full sun. Small plants are frost sensitive but larger established plants can be very hearty handling temps to 25 degrees for brief periods.
Offered As : A small plant or cutting to all mail order locations. Larger rooted established plants are also available to U.S. mail order locations only or can be picked up at our walk in nursery location-Click the link below for more info. times open, days, driving directions etc.
Established 5 gallon rooted plant(s) may also be available for shipping within the U.S. only or for pick-up as most are very large, so sorry but no international shipping of large plants.
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