bush wirelettuce
Stephanomeria tenuifolia (Raf.) H.M.Hall
Stephanomeria tenuifolia is a perennial plant in the Asteraceae family, native to the western United States and parts of Mexico. It grows in regions such as California, Nevada, and Utah, and is commonly known as bush wirelettuce. The plant is characterized by its narrow leaves and solitary flower heads with 4–6 florets. Its cypselae are tan, 3–6 mm long, and have a pappus of white bristles. Chromosome number is 2n = 16.
Description
Stephanomeria tenuifolia is a perennial herb with rhizomes and stems 20–70 cm tall. It has linear to filiform basal leaves, and reduced cauline leaves. The plant produces single flower heads on branch tips, with involucres 5–14 mm in size and 5–6 phyllaries. The florets number 4–6, and the cypselae are smooth or grooved. The species is found in arid and semi-arid regions of the western U.S. and northern Mexico, including states like California, Nevada, and Utah. It was first described in 1907 and is part of the genus Stephanomeria in the Asteraceae family.
Other common names
slender wirelettucenarrow-leaf wirelettucebush wirelettucenarrow-leaved rush-pinknarrow-leaved skeletonplantnarrow-leaved stephanomerianarrow-leaved wirelettuce
Distribution
British Columbia · Saskatchewan · New Mexico · California · Washington · Baja California · Nevada · Sonora · Idaho · Arizona · Montana · Colorado · Wyoming · Utah · Texas · Oregon · North Dakota · Mexico Northeast · Mexico Northwest
Synonyms
Ptiloria filifoliaPrenanthes tenuifoliaStephanomeria wrightiiPtiloria myriocladaPtiloria tenuifoliaLygodesmia wrightiiPtiloria neomexicanaLygodesmia minorPtiloria tenuifolia var. tenuifoliaPtiloria tenuifolia subsp. tenuifoliaStephanomeria runcinata var. myriocladaStephanomeria tenuifolia var. tenuifoliaPtiloria wrightiiStephanomeria neomexicanaStephanomeria tenuifolia var. uintaensisStephanomeria tenuifolia var. myriocladaStephanomeria minor var. minorStephanomeria minor var. uintaensisStephanomeria minor var. myriocladaLygodesmia tenuifoliaStephanomeria minorStephanomeria myriocladaPtiloria tenuifolia var. myriocladaStephanomeria pauciflora var. myrioclada
