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Myriopteris newberryi (D. C. Eaton) Grusz & Windham,  
Family: Pteridaceae
Newberry's Lip Fern
[Cheilanthes newberryi Domin, moreNotholaena newberryi Eat.]
Myriopteris newberryi image
  • FNA
  • Resources
Michael D. Windham
Eric W. Rabe in Flora of North America (vol. 2)
Stems short-creeping to compact, usually 3--5 mm diam.; scales uniformly dark brown to black or with light brown, ephemeral tip, linear-subulate, slightly contorted, strongly appressed, persistent. Leaves clustered, 5--30 cm; vernation noncircinate. Petiole dark brown, rounded adaxially. Blade lanceolate to linear-oblong, 2-pinnate-pinnatifid to 3-pinnate at base, 1.5--5 cm wide; rachis rounded adaxially, lacking scales, with dense monomorphic pubescence. Pinnae not articulate, dark color of stalk continuing into pinna base, basal pair slightly smaller than adjacent pair, ± equilateral, proximal basiscopic pinnules slightly enlarged, appearing tomentose adaxially. Costae green or straw-colored adaxially for most of length; abaxial scales absent. Ultimate segments oblong to lanceolate, not beadlike, the largest 3--5 mm, abaxially densely woolly with very fine, cobwebby hairs, tomentose adaxially. False indusia absent. Sori usually discontinuous, concentrated on small apical and lateral lobes. Sporangia containing 64 or 32 spores. 2 n = 60. Sporulating late spring--summer. Rocky cliffs and slopes; usually on igneous substrates; 0--1200 m; Calif.; Mexico in Baja California. As with Cheilanthes bonariensis , C . newberryi has traditionally been assigned to Notholaena ; R. M. Tryon and A. F. Tryon (1982) argued for its placement in Cheilanthes . Hybridization of C . newberryi with C . covillei to form C . × fibrillosa supports placement in Cheilanthes . R. M. Tryon (1956) reported variations in spore number per sporangium in C. newberryi that may indicate cytologic variability within the species.

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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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