familyBrassicaceae
genusDescurainia
speciesDescurainia incisa
subspeciesDescurainia incisa subsp. paysonii
Difference between revisions of "Descurainia incisa subsp. paysonii"
Harvard Pap. Bot. 1(4): 46. 1993.
Basionym: Descurainia pinnata subsp. paysonii Detling Amer. Midl. Naturalist 22: 515. 1939
Synonyms: Descurainia incisa var. paysonii (Detling) N. H. Holmgren Descurainia pinnata var. paysonii (Detling) S. L. Welsh & Reveal
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Revision as of 22:56, 16 December 2019
Plants eglandular, often canescent. Basal leaves: lateral lobes 2 or 3 (or 4) pairs, margins usually entire. Cauline leaves: lobes linear, margins entire. Racemes eglandular. Fruiting pedicels horizontal to divaricate, (10–)13–25(–30) mm. Fruits curved inward.
Phenology: Flowering May–Jun.
Habitat: Disturbed grounds, rocky hillsides, pinyon-juniper woodlands, grassy benches, flats
Elevation: 1500-2300 m
Distribution
Colo., N.Mex., Utah.
Discussion
Subspecies paysonii and incisa are reliably separated by their pedicel length, orientation, and shape and margin of lateral leaf lobes.
Selected References
None.
Lower Taxa
None.