202 SPECIMENS EXAMINED. --- SUMATRA: J.A. Lörzing 5718
13. Diplazium christii C.Chr.
Diplazium christii C.Chr., Index Fil.: 229. 1905; C.Chr. Holttum,
Gard. Bull. S.S. 7: 270. 1934. Rhizome ?. Stipe 35 cm long, 4 mm diam., scales at base , dark brown;
scales on stipes light brown, concolours, shining, 3-7 mm long, 0.5-1.5 mm diam. near base, margin entire, without thickening black strands. Lamina pinnate,
lanceolate, 65 cm long, 18 cm broad, pinnae 19 pairs below deeply deltoid apex of lamina ?; pinnae shortly stalked to 3 mm long, lanceolate 15 cm long, 1.8 cm
broad, base cuneate, apex acuminate, margin lobed ½ way to costa; lobus oblique, widest at base, to 6 mm above base, ends subtruncate, slightly toothed; veins free,
pinnate in the lobes; veinlets usually 5-6 pairs, simple. Sori elongate at middle veinlets covers 23 of their length; indusia light brown, broad, margin entire,
opening when mature. DISTRIBUTION. Malay peninsula.
ECOLOGY. In dense forest, near summit 600 m. SPECIMENS EXAMINED. --- MALAY PENINSULA: R.E. Holttum
SFN 19912.
14. Diplazium cordifolium Blume
Diplazium cordifolium Blume, En. Pl. Jav.: 190. 1828; Holttum, Gard.
Bull. S.S. 11: 83. 1940. – Anisogonium cordifolium Blume Bedd., Ferns Br. Ind.: t. 331. 1870; Hand. Ferns Br. Ind.: 191. f. 92. 1883. -- Athyrium cordifolium
Bl. Copel., Holttum, Rev. Fl. Malaya 2: 548. f. 322. 1966. TYPE: C.J.A. van Hasselt s.n. ?, L, Kapala Tjibarran, Java.
Diplazium integrifolium Blume, En. Pl. Jav.: 190. 1828. TYPE: Blume
s.n. ?, L, Bogor, Java. Callipteris cordifolia
Blume J. Sm., Copel., Polypod. Philipp.: 70. 1905.
Athyrium pariens Copel., Phil. Journ. Sci. III
c
: 299. 1908.
203
Key to the varieties
1. Lamina simple, oblong subdeltoid, base cordate, apex acuminate; veins forked to 5 times ………………………………………………... var. cordifolium
1. Lamina simply pinnate 2. Terminal pinnae usually the largest, oblong subdeltoid; lateral pinnae oblong,
base cordate, apex acuminate; texture coriaceous …………………... var. integrifolium 2. Terminal pinnae usually similar shape to lateral ones, lanceolate; lateral pinnae lanceolate,
base rounded to moderately auricled at basiscopic and truncate to cunetae at acroscopic, apex attenuate; texture subcoriaceous ……. var. pariens
Rhizome erect, suberect, scales on younger part. Stipe pale brown, 3-4 mm diam., 30-55 cm long, grooved above, brown, nearly black and scales toward
base; scales oblong ovate with acuminate apex, 6-9 mm long, 1-2 mm wide near base, shining dark brown, margin entire with black thickening above base to tip
when old, occasionally with glandular cells. Lamina of two kinds, simple and imparipinnate; simple ones oblong subdeltoid, 23-30 cm long, 8-13 cm wide
above base, widest 13 from base, base cordate, apex acuminate, margin entire; imparipinnate ones nearly oblong deltoid in outline, 28-45 cm long, 24 cm wide;
lateral pinnae 1-6 pairs, upper smaller, usually terminal ones largest, oblong subdeltoid, to 13-18 by 4-8 cm; upper pinnae sessile, broadly cuneate at base,
lower pinnae shortly stalked, the largest 16 by 5.5 cm, cordate at base, apex acuminate, margin entire, rachis distincty beneath, gemmiferous at the junction
with costa; texture coriaceous; veins at about 45-70°to costa on pinnate ones, 50- 80º to midrib on simple ones, forked close to midrib, lower branch forked again 2-
5 times, anastomousing irregularly about 13-12 from margin. Sori elongate along veinlets on both side or on acroscopic ones; indusia thin, persistent, margin
entire. SPORES. Monolete, bilaterally symmetrical made asymmetric by
perine, heteropolar; polar outline excluding perine transversely elliptical, sides convex; equatorial longitudinal view excluding perine plano-convex; equatorial
transverse view, proximal face planar, distal face convex; perinate. E: 37.0242.1551.62 ±5.09 P: 20.2326.5631.21±2.97. Laesura: concealed by
perine wing. Perine: alat to costate-alate, loose reticulate; irregular envelope separated from exine surrounds the spore in continuous anastomosing wings,
204 forming a loose reticulation; lacunae large irregular polygons 15-20 µm across;
thin wing-like muri project 2-8 µm, terminating margins are often echinate; surface of perine sparsely echinate or ciliate; echinae project 0.5-0.8 µm. Exine:
visible through perine, smooth under SEM. SPECIMENS EXAMINED. MALAY PENINSULA. --- SINGAPORE:
H.N. Ridley 5867. --- BORNEO: Turaya 1894. DISTRIBUTION. Malesia throughout, eastward to Solomon Islands.
a. var cordifolium
Diplazium cordifolium Bl., En. Pl. Jav.: 190. 1828. ---TYPE: J.C.A. van
Hasselt s.n. L, No.Reg. L 0051534, Kapala Cibaran, Java. Lamina simple, about 27 cm long, 13 cm broad; veins branching to 8
times, anastomousing 13 from margin to the costa; veins group forming an angle about 70ºto costa at the middle, soriferous on outer veins, inner also, diplazioid
on basal acroscopic. ANATOMY. Transverse section of stipe near lamina: Vascular bundle
form an uninterrupted V-shaped, with an angle 65º, end simple, not forming a ridge.
CHROMOSOMES. 2n = 164 Cytotype: T.Ng. Praptosuwiryo 1203, BO, 205 Cytotype: T.Ng. Praptosuwiryo 1204, BO, 246 T.Ng. Praptosuwiryo 1201,
BO, 328 Cytotype: T.Ng. Praptosuwiryo 1926b, BO. DISTRIBUTION. Sumatra, Malay Peninsula, Java, Borneo.
ECOLOGY. Occurs on moist sandy soil or humus rich soil of mountain slopes in dense forest at low or medium altitudes. 400 – 2000 m.
SPECIMENS EXAMINED. ---- JAVA. West Java: A. Hidayat H. Wiriadinata AH 501; T.Ng.Praptosuwiryo 1201, 1202, 1203, 1204, 1206, 1207,
1208, 1456, 1460, 1461, 1737, 1768, 1807, 1813, 1710, 1768, 1807, 1808. --- BORNEO: T.Ng. Praptosuwiryo 1910, 1926a, 1926b, 2128a, 2128c, 2128e,
2194a, 2194c, 2128b, 2194d, 2194e; Amdjah 271; J. M.S. Clemens 26898; Amdjah 273; J. M.S. Clemens 33810; Amdjah 718; Kunio Iwatsuki, M. Kato,
Gen Murata Y.P Mogea B-779; K. Iwatsuki, M. Kato, G. Murata Y.P. Mogea B-1935; A.Kostermans 8130; Amdjah 718; Kostermans 9051; Teysman
s.n.; M.Kato, M. Okamoto E.B. Walujo B-10079; M. Kato H. Wiriadinata B-
205 6362; M. Kato H. Wiriadinata B-4727; M. Kato H. Wiriadinata B-7098; M.
Kato H. Wiriadinata B-6900; Kunio Iwatsuki, M. Kato, Gen Murata Y.P. Mogea B-2961; K. Iwatsuki, M. Kato, Gen Murata Y.P. Mogea B-2271. ---
MALAY PENINSULA: King 6274; M.A. Donk no B.T. 10; R.E. Holttum 9898; R.E. Holttum 31219; R.E. Holttum 23340; R.E. Holttum 10799; Md Nur SFN
19773. --- SUMATRA: S. Prawiroatmodjo 2576; W.J.J.O. de Wilde B.E.E. de Wilde-DUyfjes 19946; v. Steenis 3792; D. Darnaedi 81; L. Ajoeb 90; L. Ajoeb
96; J. v. Borssum W. 2788.
b. var. integrifolum
Diplazium integrifolium Blume, En. Pl. Jav.: 190. 1828. ---TYPE: Blume
s.n. L, No.Reg. L 0051533 , Java. Diplazium cordifolium Blume var. integrifolium
Blume Mitsuta, Acta Phytotax Geobot. 36 1-3: 78. 1985. Lamina imparipinnate. Terminal pinnae usually the largest, oblong
subdeltoid; lateral pinnae 1-6 pairs, the largest 16 by 5.5 cm, oblong, base cordate, apex acuminate; texture coriaceous; veins 1-3 forked, anastomousing in the
marginal 13-12. SPORES. Monolete, bilaterally symmetrical made asymmetric by
perine, heteropolar; polar outline excluding perine transversely elliptical, sides convex; equatorial longitudinal view excluding perine plano-convex; equatorial
transverse view, proximal face planar, distal face convex; perinate. E: 37.0242.1551.62 ±5.09 P: 20.2326.5631.21±2.97. Laesura: concealed by
perine wing. Perine: alat to costate-alate, loose reticulate; irregular envelope separated from exine surrounds the spore in continuous anastomosing wings,
forming a loose reticulation; lacunae large irregular polygons 15-20 µm across; thin wing-like muri project 2-8 µm, terminating margins are often echinate;
surface of perine sparsely echinate or ciliate; echinae project 0.5-0.8 µm. Exine: visible through perine, smooth under SEM.
ANATOMY. Transverse section of stipe near lamina: Vascular bundle form an uninterrupted U-shaped with an angle about 110º, base flat on inward and
outward direction, end ridges equally on both both directions. CHROMOSOMES. 2n = 164 T.Ng. Praptosuwiryo 2128, BO.
DISTRIBUTION. Sumatra, Java, Malay Peninsula, Borneo.
206 SPECIMENS EXAMINED. --- JAVA: TNgPraptosuwiryo 1192, 1205,
1206, 1207, 1208, 1305, 1367, 1368, 1375, 1374, 1457, 1706, 1708, 1709, 1729, 1735, 1736, 1742, 1774, 1775, 2280, 2281, 2284, 2288, 2291,
2293, 2297, 2298, 2300,
. --- SUMATRA: de Vogel Vermeulen 7504.; Kerling s.n., T.Ng. Praptosuwiryo
2524a, 2524b
, 2539. --- BORNEO: M. Kato, M. Okamoto, K. Ueda E.B. Walujo B-7397; M. Kato, M. Okamoto, K. Ueda E.B. Walujo B-7386;
Masahiro Kato H. Wiriadinata B-4984; M. Kato H.Wiriadinata B-5243; Halllier 1727; M. Kato, M. Okamoto E.B. Walujo B-10236; M. Kato, M.
Okamoto E.B. Walujo B- 10580; M. Kato, M. Okamoto E.B. Walujo B- 9622; M. Kato, M. Okamoto, E.B. Walujo B-10847.
c. var. pariens
Copel. C. Chr., Gard. Bull. S.S. 7 3: 274. 1934; Ind. Fil. Suppl. III: 75. 1934; Mitsuta, Acta Phytotax. Geobot. 36 1-3: 78. 1985.
Lamina pinnate, pinnae 4-8 pairs; lower lateral pinnae shortly stalked to 3 mm, upper ones sessile, lanceolate, gradually reduce in size upwards, larger ones
12 cm long, 2.8 cm wide, attenuate at apex, rounded to moderately auricled at basiscopic and truncate to cunetae at acroscopic bases, margin entire, terminal
pinnae similar to the lateral ones; texture subcoriaceous, rachis gemmiferous at the adjacent to costa; veins 1-3 forked, anastomousing in the marginal 13-12.
SPECIMENS EXAMINED. --- JAVA: T.Ng. Praptosuwiryo 1192, 1205, 1305, 1367, 1368, 1369, 1374, 1375, 1457, 1708.
NOTE: Mitsuta 1985 also recognized two varieties of D. cordifolium of Sumatra, var. integrifolium Blume Mitsuta and D. pariens. The two varieties
are differentiated with characters as follow: Var. integrifolium has 2-3 pairs of lateral pinnae and base of terminal pinna sessile, while var. pariens with 4-6 pairs
of lateral pinnae and base of terminal pinna usually wide cuneate.
15. Diplazium crameri Praptosuwiryo, sp. nov.
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