Echinocereus species [Cactaceae]

Click on the images below to see larger versions.

Scientific Name Echinocereus dasyacanthus (Echinocereus pectinatus var. neomexicanus) USDA PLANTS Symbol ECDA
Common Name Texas Rainbow Cactus, Spiny Hedgehog Cactus ITIS Taxonomic Serial No. 512689
Family Cactaceae (Cactus) SEINet
Click Here
Description Habitat: Desert habitat; scrubland, grassy plains, canyon sides and limestone terraces, up to 5,000 feet; in Texas, found primarily in Big Bend.
Plant: Single, sometimes branching stems up to 12 inches tall with 15 to 22 narrow/shallow ribs; annual growth increments marked (often vaguely) by rings of spines with contrasting colors.
Spines: Obscuring stem; vertical central spines 3 or 7 to 9, about 1/4-inch long; radial spines 18 to 22, 1/4 to 1/2 inch long, pale brown or pink.
Inflorescence: Usually yellow flowers, but can range to rose-pink and magenta, 3 to 5 inches across with dark green stigma lobes and yellow anthers in the center; long, pointed petals, outer sometimes tinged with magenta on the outside, inner streaked with green on the inside; green petal base.
Bloom Period: March to May.
References: Echinocereus pectinatus var. neomexicanus in "Manual of the Vascular Plants of Texas" by Correll and Johnston, Cactus Art, and www.wildflower.org.
BONAP Distribution Map

Texas Status:

Click here for more Echinocereus.

© Tom Lebsack 2023