Ctenitis melanosticta (Kunze) Copel.
Descripción
Rhizomes suberect, stout, caudices to 3+ cm diam.; fronds to 130 cm long; stipes stramineous to brownish, ca. 1⁄3–1⁄2 the frond length, to 60 cm X 8 mm, bases with dark brown, linear scales 7–15 X 0.5–1 mm, distally the scales reduced, hair-like, 1–2 X 0.1–0.5 mm; blades dark green, deltate, 2–3-pinnate-pinnatifid proximally, ± equilateral, proximal pinnae only slightly if at all exaggerated basiscopically, 60–80 X 40–60 cm; rachises abaxially with brown hair-like scales 1–2 mm long; pinnae to ca. 15 pairs, proximal pair stalked to ca. 10 mm, 3-pinnate-pinnatifid, 17–30 X 9–17 cm, narrowed proximally, pinnules ca. 4–10 X 1.5–2 cm, bases strongly adnate and decurrent, especially distally, on the pinnae and toward blade apices; segments crenulate to falcately lobed or incised, acute at tips, margins eciliate; veins simple or forked, ending just short of the margins above the sinuses; indument on costae and costules abaxially of scattered to dense light tan to brownish scales 0.5–2 mm long, scales with strongly inrolled margins, also the costae and costules with scattered to dense glandular hairs; laminae between veins glabrous on both sides; sori medial, with large persistent indusia, these with dark red-brown centers and tan borders, 0.8–1 mm wide, ciliateglandular; 2n=82 (Chis).A
Forma de vida
o epipétrica. TerrestreA
Ejemplar revisado
Chis (Spellman et al. 176, UC). Hgo (Mickel 623, ISC). Oax (Mickel 7280, UC). Pue (Ramírez 30, 32, XAL). Qro (Rzedowski 46563, IEB, MEXU). Tam (Dressler 1950, MEXU, UC). SLP (Pringle 3825, LL, MEXU, UC, US). Tab (Cowan 3943, ENCB, MEXU, TEX, UC). Ver (Copeland herb. 21, UC, US).A
Elevación
100 – 1600 mA
Tipo de vegetación
Bosque de neblina/mesófilo, Selva altaA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Among the highly dissected (bipinnate-pinnatifid or more divided) species of Ctenitis, C. melanosticta is distinct by its darkcentered, large indusia. The scales of C. melanosticta are darker, narrower, more inrolled, and more spreading than in C. equestris and allies (q.v.).A