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Senecio triangularis Hook.
Arrowleaf Groundsel, Arrowleaf ragwort
USDA Symbol: setr
USDA Native Status: Native to U.S.
Broadly or narrowly triangular or arrowhead-shaped leaves, with many sharp teeth on edges, grow on several leafy stems that bear yellow flower heads in a branched, flattish cluster at top.
As indicated by the common and technical names, the triangular leaves are distinctive.
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep
AK , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY Canada: AB
, NT Native Distribution:
Alaska and western Canada; south to southern California, Arizona, and New Mexico. Native Habitat:
Stream banks and other moist places in the mountains. USDA Native Status: L48(N), AK(N), CAN(N)
Growing ConditionsWater Use: High
Light Requirement: Part Shade
CaCO3 Tolerance: Medium
BenefitConspicuous Flowers: yes
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Record Modified: 2007-01-01
Research By: TWC Staff