Cyathea costaricensis Domin
Descripción
Trunks to 8 m tall; fronds ca. 3 m long; stipes stramineous, spines absent, scales pale, often with brown centers, hairs absent; blades bipinnate-pinnatifid, thin-textured, pinnae stalked, pinnules sessile to stalked 1–2 mm; segments dentate to shallowly lobed, slightly falcate, apices acute; rachises and costae glabrous abaxially; adaxial surfaces with costules hairy, also with whitish flat to subbullate scales, segment midveins with 1–3 hairs; sterile laminae glabrous abaxially; sori medial, subtended by 1–3 bullate scales, resembling indusia, and with sparse hairs distally, paraphyses shorter than sporangia.A
Forma de vida
TerrestreA
Ejemplar revisado
Chis (Breedlove 24184, DS). Gro (Hinton 10793, US). Jal (Iltis et al. 452, NY, XAL). Mich (Hinton 16262, US). Nay (Gentry et al. 19480, NY). Oax (Figueroa 89, MEXU, XAL; Mickel 5176, NY). Pue (Flores Castorena 654, ENCB). Tab (Matuda 37495, MEXU). Ver (Nee et al. 26106, NY).A
Elevación
50 – 1200 mA
Tipo de vegetación (notas)
Moist forests to nearly semiarid, drier areas.A
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
En peligro de extinción (P)C
Discusión taxonómica
Cyathea costaricensis is distinct by the smooth stramineous stipes and sori subtended by 1-3 bullate scales.A