Descurainia incisa ssp. incisa
(Mountain Tansy-mustard)
Descurainia incisa, White River Plateau, Newcastle-Buford Rd., Garfield Co. 6095
Descurainia incisa, White River Plateau, Newcastle-Buford Rd., Garfield Co. 6085
Descurainia incisa, White River Plateau, Newcastle-Buford Rd., Garfield Co. 6086
Descurainia incisa, White River Plateau, Newcastle-Buford Rd., Garfield Co. 6096
Descurainia incisa, White River Plateau, Newcastle-Buford Rd., Garfield Co. 6084
| Scientific Name | Descurainia incisa ssp. incisa | USDA PLANTS Symbol | DEINI2 |
| Common Name | Mountain Tansy-mustard | ITIS Taxonomic Serial No. | 823353 |
| Family | Brassicaceae (Mustard) | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to montane (5500 to 10000 ft.); meadows, roadsides, streamsides, wooded areas. Plant: Erect perennial 6 to 33 inches tall; erect stems usually unbranched below and branched above, may be glandular or not and densely to sparsely pubescent. Leaves: Pinnate basal leaves, obovate to oblanceolate in outline, 5/8 to 4 inches long with 2 to 9 pairs of lateral lobes with dentate to incised or entire margins; smaller stem leaves are sessile or short-petiolate, with oblong, lanceolate or linear lobes with dentate to denticulate or entire margins. Inflorescence: Custers of flowers in racemes at leaf nodes and top of stem; compact but becoming elongated at fruiting; small flowers with four yellow sepals and four yellow petals, all less than 1/10 inch long. Bloom Period: June to August. Fruit: Less than 3/4-inch long, erect and appressed (hugging the stem), straight or somewhat curved inward, slightly torulose and attached by stalks about the same length. References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and American Southwest. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains