17 Kerangas Perengat forest, sometimes in water logged, at 310 malt. Field note: Leave is
glaucous below. Sepal is large. Young Fruit is greenish glaucous. Specimen Examined: BORNEO: East Kalimantan, Maruwai, Block Lampunut, Long
Iram Sub District, PK 2621.
Figure 3. Fissistigma magnisepala Irawan, sp.nov. – a.branch, b. sepal, c.carpel, d.young carpidia, 1.outside view, 2. inside view [a – d: PK 2621]
13. Fissistigma manubriatum
Hook. f. Thomson Merr. Melodorum manubriatum Hook. f. Thomson, F1. Ind. 1 1855 118 et in F. Br.
India. 1 1872 79; Miq., FI. Ind. Bat. 1 1858 35; King, Ann. Roy. Bot. Gard. Calcutta 4 1893 134; Boer., Icon. Bogor. 1 1899 132; Rid., Sarawak Mus. J. 1 1913 88;
Rid., FI. Malay. Penins. 1 1922 84. -- Fissistigma manubriatum Hook. f. Thomson Merr., Philipp. J. Sci. 15 1919 134; J Sinclair, Gard. Bull. Str. Settl. 14 1955 355;
Kessler Heusden, Rhedea 3 1 1993 64. -- Type: Penang, Porter, Wall. Cat. 6465 K, not seen.
Uvaria manubriata Wall. Cat. 6456, Merr., Philipp. J. Sci. 15 1919 134; J. Sinclair, Gard. Bull. Str. Sett. 14 1955 355, nomen nudum.
Melodorum bancanum Scheff., Nat. Tijds. Ned. Ind. 31 1870 244. -- Type: Bangka, Prope Muntok et Blienjo, Cult. In Bot. Bog. XVIE-IO7a holo BO, iso BO.
Melodorum khortalsii Miq., Ann. Mus. Bot. Ludg-Bat. 2 1865 37. -- Type: Borneo australis, in Martapoera, Poelo Lampei, In M. Pamatton, Khortalls S.n. holo BO.
Climber, up to 25 m tall, young twigs tawny tomentose, afterward glabrous with numerous lenticels. Leaves: petiole tawny tomentose, 1 - 1.5 cm long, 1.2 - 2 mm
diameter; lamina sub coriaceous, oblong
-
lanceolate, 5
-
18 cm long, 2
-
7 cm wide; base rounded; apex acuminate; glabrous above, grayish when dry; densely seriaceous
beneath, adpressed, shining; lateral nerves 12
-
20 pairs, not anastomosing; reticulations not visible beneath. Inflorescence cymous, 3 flowered, terminal or leaf-opposed. Flowers
bud conical, up to 2 cm long; densely seriaceous. Flowers: pedicels 1
- 1.5 cm long, tawny tomentose; bracteole 2, one caducous basal, the other one median, 4 mm long, tawny tomentose;
sepal ovate, 5
-
9 mm long, faintly three-nerved, tawny tomentose, persistent when fruit ripe; outer petals ovate, 2
- 2.5
cm long, 0.8 -1 cm wide, densely seriaceous outside, velutinous at the base inside; inner petals 1.5 cm long, 0.8 cm wide, sometimes falling
when outer blossom; stamen 2 mm long, apical prolongation revolute; carpel c.30, curved, 3 mm long, covered with seriaceous hairs; stigma axe-shape, not hairy, slightly
split. Monocarpidia up to 15, ovoid, 1
-
2 cm diameter, velutinous; stalk 1.5 - 5 cm long, 2 - 3 mm diameter. Seed c. 9 in two rows, oval, I cm long, 0.8 cm wide; smooth, brown,
shining. Distributions: Sumatra, Malay Peninsula and Borneo.
Habitat Ecology: This species is found in lowland to sub mountain 20
-
1100
m alt,
18 in rain forest, virgin forest, along primary forest, mixed dipterocarps,lowland forest,
forest along small scream, secondary forest, granitic sand, sandy loam soil and flat land. Field notes: Leaf is middle green, glossy brown underneath. Flowers outside is light
yellow-cinnamon or lilac pink. Lower stamen is bright red. Pistil is yellow. Fruit is velvety light brown.
Vernacular name: akar larak, akar kenchon, akar jangkar, akar sembelit, akar pisang- pisang Malay., aka-aka Minang, akar sengkarang boeboe, akar sengkarang, akar rarak
api Bangka. Uses: Decoction of root is taken from stomachache Burkill1935b.
Specimens Examined: SUMATRA: N. Sumatra, Gn Leuser N.R., de Wilde de Wilde- Duyfjes 16489; W. Sumatra, Payakumbuh, Gn. Bongso, Dayar Arbain DA 552;
W.Sumatra, Payakumbuh, Kelok sembilan, Hotta Okada 1661; Mt. Malintang, Jacobs 4641; Bangka, Lokok Besar, Kosterman 1106: Billiton, Tandjun Pandan, Komasi S.n.;
Lampung, Teysman 2172; Riau, Tandjung Pinang, Teysman 17996, 17997, 17998; Bangka, Pangkal Pinang, Teysman s.n; Bangka, Prope muntok et Blienjo, cult. In Hor.
Bot. Bog. XVIE-107a holo BO, iso BOXI A- 45; Bangka, Leg.ign. S.n. MALAY PENINSULA: Malacca, Kemendore, Burki1l4462; Malacca, Jasin Road, Burkill6432;
Johore, Sungei Rhu Reba, Jason Bay, Corner 28500; Perak, King 4385, 4744, 8352. BORNEO: E. Kalimantan, Wanariset area, Rintis Baru, Ambri Arifin W 705; E.
Kalimantan, Wanariset area, Rintis Soejawa, Ambri Arifin W 871, W 876;E. kalimantan, Wanariset, Samboja, Balgooy 6091; W. Koetai, Endert 3904; E. kalimantan,
road to Sungei Wain, Kessler et all PK 1074; E. Kalimantan, Inhutani area, Batu Ampar, Kessler et all PK 1454; E. Kalimantan, PT Kelian Equatorial Mining Area, Kessler
Arbainsyah B 1384; E. Kalimantan, PT Kelian Equatorial Mining Area, Kessler et all PK 2099; Borneo australis, khortalls s.n.; Balikpapan, Wain region, Kostermans 4503a; Tdg
Bangko, near Mahakam, Kostermans 7101; E. Borneo, Sampit Region, near Kuala Kuajan, Kostermans 7965; Tawao, miles 9 pas road, Krispinus s.n.; E.Kalimantan, tanah
Merah, Kuswata Kartawinata I 417; Kalimantan Tengah, Kota Waringin Lama, Riswan et all B 22; S. Kalimantan, Tabalong, Sidiyasa arifin 1988A; E. Kalimantan, upper
Mahakam River, SidiyasaandAhmadi 1440.
14. Fissistigma rubiginosum
