Ctenitis grisebachii (Baker) Ching

  • Authority

    Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.

  • Family

    Dryopteridaceae

  • Scientific Name

    Ctenitis grisebachii (Baker) Ching

  • Description

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    Species Description - Similar to C. equestris except: segment margin with 0.1 mm ctenitoid hairs; stipe and pinna costa scales crinite; pinnule costae with glandular hairs and flat, brown scales (0.8-1 mm long, 0.3-0.5 mm wide); pinnae glandular on lower lamina and veins, appressed ctenitoid hairs (0.1-0.3 mm) on midribs, adaxially with dense 0.3-0.5 mm long ctenitoid hairs on midrib and sparse 0.3 mm long hairs on veins; sori with indusia 0.5-0.8 mm, brown to tan, persistent.

  • Discussion

    Nephrodium grisebachii Baker in Hooker & Baker, Syn. fil. 285. 1867. Dryopteris grisebachii (Baker) O. Kuntze, Revis. gen. pl. 2: 812. 1891. Type. Cuba. Wright 1055 (K-3 sheets). Ctenitis molinae Stolze, Amer. Fern J. 67: 40. 1977. Type. Guatemala. Chimaltenango: Volcán Fuego, Steyermark 52120 (US!; isotype F). The combination of veins reaching the ciliate margin, flat costal scales, crinite stipe scales and large, persistent, glandular indusia will distinguish C. grisebachii from the other bipinnate-pinnatifid (or more divided) species.

  • Distribution

    Terrestrial in wet montane forests; 1300-1900 m (in Chis; Guat and Hond). Mexico (Nay, Ver, Chis); Guat, Nic, Hond; Cuba, Jam, Hisp.

    Mexico North America| West Indies| Jamaica South America| Cuba South America| Honduras Central America| Nicaragua Central America| Guatemala Central America|