Nephrolepis biserrata

Description

Habit, rhizome morphology. Hairs on lamina absent or sometimes present, costa sometimes present.

Distribution

Asia-Tropical: Pantropical: present
Pantropical; in Malesia: Throughout.

Notes

1. Nephrolepis biserrata is very variable in frond size, shape of pinna-base, width of pinnae, hairiness, and to a lesser degree position of the sori. In Malesia, pubescent forms occur mainly on Borneo, where they seem to be increasing as a result of recent forest fires — the burnt areas are quickly covered with a dense mat of sterile specimens of this form — and on New Guinea.
2. Here we follow the traditional, wide circumscription of N. biserrata, which includes all Nephrolepis-forms with clearly inframarginal to medial sori with narrow sinus. Other rather constant characters are the basal stipe scales, which are uniformly narrow, concolorous and spread out sideways in one direction and the generally fairly large size of the plants. However, it is possible that in this circumscription a number of cryptic species are included. Herbarium studies may not be able to resolve these species partly for the usual reasons: lack of complete, well-documented specimens.

Citation

J.Sm., Hist. Fil. 1875: 227
Blume, Enum. Pl. Javae. 1828: 147
C.Presl, Reliq. Haenk. 1830: 31
Holttum - in Revis. Fl. Malaya, 2nd ed. 1968: 380
Sw., Syn. Fil. 1806: 46
Brack. - in U.S. Expl. Exped. 1854: 213
Baker, Syn. Fil. 1867: 301
Blume, Enum. Pl. Javae. 1828: add. et emend.
Sw., Syn. Fil. 1806: 46
Sw., Syn. Fil. 1806: 46
Copel. - in Fern Fl. Philipp. 1958: 187
Hovenkamp & Miyam. - in Blumea. 2005: 290
Merr., Sp. Blancoan. 1918: 43
Backer & Posth., Varenfl. Jav. 1939: 92
Brack. - in U.S. Expl. Exped. 1854: 212

Synonymy

Nephrolepis biserrata (Sw.) Schott in Gen. Fil. 1: ad. pl. 3. 1834
  • Aspidium biserratum (Sw.) Sw. in Schrad., J. Bot. 1800: 32. 1801
  • Nephrodium biserratum (Sw.) Desv., Prodr. Fam. Foug.: 253. 1827
  • Hypopeltis biserrata (Sw.) Bory in Bél., Voy. Indes Or.: 65. 1833
  • Lepidonevron biserratum (Sw.) Fée, Gen. Fil.: 301. 1852
    • Type: Groendal s.n.
    • Type: Groendal s.n. (S).
  • =Tectaria fraxinea Cav., Descr. Pl.: 250. 1801
    • Type: Nee s.n.
    • Type: Nee s.n. (BM).
    • Type: Nee s.n. (MA).
  • =Aspidium acutum Schkuhr, 24. Kl. Linn. Pfl.-Syst.: t. 31. 1804
  • Nephrodium acutum (Schkuhr) C.Presl, Reliq. Haenk.: 31. 1830
  • Hypopeltis palmoides (Schkuhr) Bory in Bél., Voy. Indes Or.: 50. 1833
  • Nephrolepis acuta (Schkuhr) C.Presl, Tent. Pterid.: 79. 1836
  • =Aspidium ensifolium Schkuhr, 24. Kl. Linn. Pfl.-Syst.: t. 32. 1804
  • Nephrolepis ensifolia (Schkuhr) C.Presl, Tent. Pterid.: 79. 1836
  • =Aspidium gibbosum Willd. in Sp. Pl. 5: 222. 1810
  • Nephrodium gibbosum (Willd.) Gaudich. in Freyc., Voy. Uranie, Bot.: 338. 1828
  • Nephrolepis gibbosa (Willd.) C.Presl, Tent. Pterid.: 79. 1836
    • Type: Nee ? s.n.
    • Type: Nee ? s.n. (B).
  • =Aspidium splendens Willd. in Sp. Pl. 5: 220. 1810
  • Nephrolepis splendens (Willd.) C.Presl, Tent. Pterid.: 79. 1836
    • Unknown type category: D. Klein Willdenow herb., 19740.
  • =Nephrodium rufescens Schrad., Ill. Fil.: 896. 1824
  • Aspidium rufescens (Schrad.) Kunze in Mart., Fl. Bras. 1: 34. 1839
  • Lepidonevron rufescens (Schrad.) Fée, Gen. Fil.: 301. 1852
  • Nephrolepis rufescens (Schrad.) Wawra, Bot. Ergebn.: t. 201. 1866
    • Type: Anon. s.n.
    • Type: Anon. s.n. (BR).
  • =Nephrodium timoriense Desv., Prodr. Fam. Foug.: 253. 1827
    • Unknown type category: Anon. s.n.
  • =Hypopeltis amygdalina Bory in Bél., Voy. Indes Or.: 64. 1833
    • Unknown type category: Bélanger s.n.
  • =Polypodium palmoides Bory in Bél., Voy. Indes Or.: 50. 1833
    • Unknown type category: Bélanger s.n.
  • =Nephrolepis depauperata de Vriese in Ned. Kruidk. Arch. 1: 9. 1846
    • Unknown type category: Reinwardt 1680.
  • =Nephrolepis zollingeriana de Vriese in Ned. Kruidk. Arch. 1: 10. 1846
    • Unknown type category: Zollinger 146.
  • =Nephrolepis macrophylla C.Presl, Epimel. Bot.: 43. 1851
    • Holotype: Cuming 22 (PRC).
    • Isotype: Cuming 22 (BM).
  • =Nephrolepis acuta var. laurifolia H.Christ in Bot. Jahrb. Syst. 23: 355. 1897
  • Nephrolepis laurifolia (H.Christ) Proctor in Mem. New York Bot. Gard. 53: 262. 1989
    • Isotype: Reinecke 1-d (L).
    • Type: Reinecke 1-d.
  • =Nephrolepis persicifolia H.Christ in Bot. 8: 159. 1909
    • Holotype: Versteeg 1017 (P).
    • Isotype: Versteeg 1017 (BO).
    • Type: Versteeg 1017 (K).
    • Type: Versteeg 1017 (L).
  • =Nephrolepis pilosula Alderw. in Bull. Jard. Bot. Buitenzorg II: 18. 1913
    • Unknown type category: Amdjah 542.
  • =Nephrolepis dayakorum Bonap., Notes Pteridol.: 399. 1918
    • Holotype: Native collector? 70 (P).
    • Isotype: Native collector? 70 (BM).
    • Type: Native collector? 70.
  • =Pteris signata Merr., Sp. Blancoan.: 43. 1918