2023 Britt Thorsnes 2019 Steve Matson 2019 Steve Matson 2019 Steve Matson 2019 Steve Matson 2022 Zoya Akulova-Barlow 2019 Steve Matson 2019 Steve Matson 2022 Steve Laymon 2022 Steve Laymon 2023 Britt Thorsnes 2022 Zoya Akulova-Barlow
Silene nelsonii is a perennial herb that is native to California.
California Rare Plant Rank: 4.3 (limited distribution).
[bioone.org] Taxonomic Name Change: Abstract
Silene nelsonii M.R. Mesler, M.S. Mayer, and S.K. Carothers (Caryophyllaceae), a species with large, day-blooming flowers from the Trinity River Basin of northwestern California, is described and illustrated. In the past, plants assignable to this new species have been referred to incorrectly as S. bolanderi A.Gray or S. hookeri Nutt. subsp. bolanderi (Gray) Abrams, names that rightfully apply to another member of the Silene hookeri complex. Here we argue that both S. nelsonii and S. bolanderi are worthy of recognition as separate species based on morphological distinction and a molecular phylogenetic analysis. Silene nelsonii differs from S. bolanderi by its more deeply lobed, white petals; lack of well-developed coronal petal appendages; densely ciliate petal bases; and shorter, sometimes branched sepal hairs. We present a key to the five members of the S. hookeri complex, all of which are in some degree rare in California and worthy of conservation concern. (contributed by Mary Ann Machi)
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2024. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 05/05/2024).