Difference between revisions of "Aspidotis carlotta-halliae"
Amer. Fern J. 58: 141. 1968.
Endemic
Basionym: Cheilanthes carlotta-halliae W. H. Wagner & E. F. Gilbert Amer. J. Bot. 44: 738, figs. 1b, 2b, 2e. 1957
Treatment appears in FNA Volume 2.
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|genus=Aspidotis | |genus=Aspidotis | ||
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Latest revision as of 20:22, 5 November 2020
Leaves monomorphic or weakly subdimorphic, 10–30 cm. Blade 4-pinnate, 3–12 cm, nearly as wide as long, thin to thick. Ultimate segments narrowly lanceolate to deltate, 2–6 mm; midrib obscure or evident abaxially. Sori of mature blades ± discrete to usually subcontinuous, 3–7(–9) per segment; indusia semicircular to usually elongate and connecting several adjacent sori, margins with 6–10 irregular and prominent teeth and/or lobes. 2n = 120.
Distribution
100–1400 m, Calif.
Discussion
Aspidotis carlotta-halliae is a fertile allotetraploid species derived from hybridization between A. californica and A. densa. Occasional sterile backcrosses are found.
Generally on serpentine slopes, in crevices, and on rock outcrops
Selected References
None.
Lower Taxa
None.