Serpocaulon attenuatum (Humb. & Bonpl. ex Willd.) A.R.Sm.

Smith, Alan R., Kessler, Michael, León, Blanca, Almeida, Thaís Elias, Jiménez-Pérez, Iván & Lehnert, Marcus, 2018, Prodromus of a fern flora for Bolivia. XL. Polypodiaceae, Phytotaxa 354 (1), pp. 448-450 : 448-450

publication ID	https://doi.org/ 10.11646/phytotaxa.354.1.1
persistent identifier	https://treatment.plazi.org/id/03B6DA7F-7B77-1907-E9AD-03D9FE42F80D
treatment provided by	Felipe
scientific name	Serpocaulon attenuatum (Humb. & Bonpl. ex Willd.) A.R.Sm.
status

Treatment

Serpocaulon attenuatum (Humb. & Bonpl. ex Willd.) A.R.Sm. View in CoL , Taxon 55(4): 927(–928). 2006.

= Polypodium attenuatum Humb. & Bonpl. ex Willd., Sp. Pl. , ed. 4 [Willdenow], 5: 191. 1810.

Range: —Northern South America from the Guianas to Venezuela and Bolivia (SC).

Ecology: — Rare, known from a single Bolivian collection (Arroyo 660, USZ); terrestrial and saxicolous in semihumid to humid forests; 650 m.

Notes: — Serpocaulon richardii , which also has adnate pinnae, has 2–6 rows of sori between the costae and the pinna margins (1 row in S. attenuatum ), and long, septate hairs to ca. 1 mm along the rachises and costae abaxially (no such hairs in S. attenuatum ).