Boechera retrofracta
(Reflexed Rockcress)
Boechera retrofracta, Frisco Peninsula, Summit Co. 1689
Boechera retrofracta, Frisco Peninsula, Summit Co. 3256
Boechera retrofracta, Peaks Trail, Summit Co. 3382
Boechera retrofracta, Frisco Peninsula, Summit Co. 3224
Boechera retrofracta, Frisco Peninsula, Summit Co. 1668
Seed pods, Boechera retrofracta, Frisco Peninsula, Summit Co. 3234
Upper stem leaves, Boechera retrofracta, Frisco Peninsula, Summit Co. 1679
Stem leaves, Boechera retrofracta, Frisco Peninsula, Summit Co. 3229
| Scientific Name | Boechera retrofracta (Arabis holboellii var. retrofracta) | USDA PLANTS Symbol | BORE6 |
| Common Name | Reflexed Rockcress, Second Rockcress | ITIS Taxonomic Serial No. | 509596 |
| Family | Brassicaceae (Mustard) | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to subalpine (6000 to 10500 ft); forests, dry slopes, and sagebrush meadows. Plant: Erect, wispy-looking biennial or short-lived perennial 6 to 40 inches tall, usually single-stemmed; lower stem covered with pubescent hairs. Leaves: Basal leaves 3/8 to 1-1/8 inches long, oblong to oblanceolate, pointed tips and fine pubescent hairs; stem leaves oblong or lanceolate 1 to 1-1/2 inches long, with small ears at base, clasping. Inflorescence: Numerous white to purplish drooping flowers in a raceme, each about 1/2-inch long overall with hairy calyx tube and pedicel. Bloom Period: May to July. Fruit: Long (up to 3+ inches), very narrow seed pods drooping downward from a sharply-bent pedicels. Reference: "Flora of Colorado" by Jennifer Ackerfield, "Alpine Flora of the Rocky Mountains" by Richard Scott, "A Guide to Rocky Mountain Plants" by Nelson and Williams, Montana Field Guide and SEINet. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County