A TAXONOMIC REVISION OF HYMENOPHYLLACEAE
A TAXONOMIC REVISION OF HYMENOPHYLLACEAE
A TAXONOMIC REVISION OF HYMENOPHYLLACEAE
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
18<br />
BLUMEA — Vol. 51, No. 2, 2006<br />
Rhizomes long-creeping, frequently branching, filiform, 0.1– 0.5 mm diam., densely<br />
covered with dark hairs, protostele subcollateral, cortex with centrifuge sclerification,<br />
roots absent, root-like shoots present. Stipes sometimes reduced, or to 8 cm long, at<br />
a distance from the adjacent ones. Blades simple to quadripinnatifid, elliptic to subdeltate,<br />
12 by 6 cm, venation anadromous, false veinlets often present, submarginally<br />
(continuous or interrupted) and/or parallel (but not connected) to true veins, laminae<br />
almost always one cell thick, exceptionally thicker (C. intramarginale), internal cell<br />
walls thin and straight. Sori paratactic, tubular, lips usually bilabiate, often deltate,<br />
sometimes dilate, receptacles exserted.<br />
Distribution — Throughout the Paleotropics; more than 20 species.<br />
Habitat — Usually epilithic on wet rocks along streams, sometimes epiphytic on<br />
tree trunks.<br />
Note — Crepidomanes in the strict sense contains only those species that have false<br />
veinlets, but recent study (Ebihara et al., submitted) has shown that some species lacking<br />
false veinlets (formerly placed under Vandenboschia by Copeland) are closely related<br />
to species that have them and/or are nested in a clade consisting of species with false<br />
veinlets.<br />
RepResentative species:<br />
New combinations:<br />
Crepidomanes africanum (H. Christ) Ebihara & Dubuisson, comb. nov. [based on Trichomanes<br />
africanum H. Christ (1909a) 21]; C. chevalieri (H. Christ) Ebihara & Dubuisson, comb. nov. [based<br />
on Trichomanes chevalieri H. Christ (1908b) 106]; C. draytonianum (Brack.) Ebihara & K. Iwats.,<br />
comb. nov. [based on Trichomanes draytonianum Brack. (1854) 252, pl. 36, f. 3]; C. fallax (H. Christ)<br />
Ebihara & Dubuisson, comb. nov. [based on Trichomanes fallax H. Christ (1909b) 24]; C. mettenii<br />
(C. Chr.) Ebihara & Dubuisson, comb. nov. [based on Trichomanes mettenii C. Chr. (1906) 644].<br />
Other species:<br />
Crepidomanes barnardianum (F.M. Bailey) Tindale; C. bipunctatum (Poir.) Copel.; C. christii<br />
(Copel.) Copel.; C. clarenceanum (F. Ballard) Pic.Serm.; C. frappieri (Cordem.) J.P. Roux; C. inopinatum<br />
(Pic.Serm.) J.P. Roux; C. intramarginale (Hook. & Grev.) Copel.; C. kurzii (Bedd.) Tagawa<br />
& K. Iwats.; C. latealatum (Bosch) Copel.; C. latemarginale (D.C. Eaton) Copel.; C. melanotrichum<br />
(Schltdl.) J.P. Roux; C. rupicolum (Racib.) Copel.; C. schmidtianum (Zenker ex Taschner) K. Iwats.;<br />
C. vitiense (Baker) Bostock.<br />
1b. Section Gonocormus (Bosch) K. Iwats.<br />
Crepidomanes (C. Presl) C. Presl sect. Gonocormus (Bosch) K. Iwats. (1984) 174. — Gonocormus<br />
Bosch (1861a) 321. — Trichomanes L. sect. Gonocormus (Bosch) H. Christ (1897) 27.<br />
— Trichomanes L. subg. Gonocormus (Bosch) C. Chr. (1906) XIV. — Lectotype: Gonocormus<br />
prolifer (Blume) Prantl (= Crepidomanes minutum (Blume) K. Iwats.) (selected by Christensen<br />
(1906) XIV).<br />
Rhizomes long-creeping, frequently branching, filiform, c. 0.15 mm diam., covered<br />
with dark brown hairs or glabrescent, protostele subcollateral, cortex with centrifugal<br />
sclerification, roots absent, root-like shoots present. Stipes very short, or to 3 cm long,<br />
at a distance from the adjacent ones, proliferations often observed. Blades simple to<br />
quadripinnatifid, flabellate to narrowly ovate, 12 by 3 cm, venation anadromous, false<br />
veinlets absent, internal cell walls thin and straight. Sori paratactic or pantotactic,<br />
campanulate, lips dilate, receptacles long-exserted.