Phegopteris decursive-pinnata

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Phegopteris decursive-pinnata


Asia-Temperate: Korea present; Taiwan (Taiwan present), Asia-Tropical: Sulawesi (Sulawesi present), Central & S.E. China present, East Java present, Tonkin present
Central & S.E. China, Tonkin, Taiwan, Korea; in Malesia recorded from Celebes and East Java.


At Paris is a specimen of Zollinger 1442 named Asplenium erectum Willd., ex Herb. Drake, from East Java, "ad pedem Mt Lamon- gan 1500', Jan. 1845". v.A.v.R. records a cul- tivated plant at Bogor originating from Celebes, collected there by Koorders. These are the only known records of the occurrence of the species in Malesia.
A small indusium was first described by J. Smith in Lastrea decurrens. Ching and Iwatsuki have stated that the receptacle bears a tuft of hairs, not an indusium; but there is a distinct flat structure with hairs on its margin which I would not call part of the receptacle.
Mitui has recorded diploid and tetraploid conditions in the species, but no-one has distinguished the two forms from other characters, and I cannot see clear distinctions among herbarium specimens.
For some years a plant flourished in cultivation in the Botanic Garden at Penang but did not reproduce itself from spores. Plants grow well in the Temperate Fern-House at Kew.


K. Iwats. - in Mem. Coll. Sci. Univ. Kyoto B. 1965: 137
O. Ktze - in Bull. Jard. Bot. Btzg. 1918: 23
Diels - in E. & P., Nat. Pfl. Fam. I. 1899: 171
Holttum - in Blumea. 1969: 11
v.A.v.R., Handb. 1917: Corr. 48
Ching - in Acta Phytotax. Sinica. 1963: 312
C. M. Kuo - in Fl. Taiwan. 1975: f. 148
Hook., 2nd Cent. Ferns. 1861: t. 49
Mett., Fil. Hort. Lips. 1856: 89
Mitui - in J. Jap. Bot. 1965: 119, 124