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BLUMEA 30 (1985) 417-423 Faika and Parakibara: Two new genera of Monimiaceae from Malesia W.R. Department of Botany, University Philipson of Canterbury, Christchurch, Zealand New Summary Two new of genera the Monimiaceae from Halmahera, those of other members of the tribe. are described, Tribe Mollinedieae of the of the female is well family receptacle becoming fall into the species A glands as as a calyptra adjacent four next two pairs hyperstigma Irian be after genera: by are by and Parakibara compared with the upper part This tribe pollination. Kibara, the The great region. Wilkiea, Steganthera presence or absence receptacle (hyperstigma, Endress, is present in Kibara and Wilkiea, can Jaya characters East Australian characterized within the ostiole of the female and Matthaea. All these four genera from and their Monimiaceae is characterized detached of the of swollen cia, single species, represented majority 1980). a in the Malesian and the and Matthaea. These genera form Faika (Mollinedieae), each with but is absent in recognized by the Steganthera of their androe- nature indicated in table 1. Table 1. characters of the gynoecium and androecium of the 1. Some characters gynoecium and principal principal Malesian Malesian of the Mollinedieae. genera of the Mollinedieae. genera Genus Genus Hyperstigma present Kibara + + Anthers dehisce by by Stamens Stamens slit + + large outer pairs in 2 2 decussate and up to 4 smaller smaller inner Wilkiea Wilkiea + + + inserted irregularly irregularly over of inner surface surface of receptacle receptacle Steganthera Matthaea — - - + +2 2 decussate pairs pairs 2 decussate pairs — - BLUMEA 418 salomonensis and Steganthera fit not tacle is (Philipson, taken without VOL. few a 30, species into the definitions in completely these genera - No. 2, 1985 of Kibara with reduced table 1, as 1984, 1985). However, when the into account, the species nature be allocated can androecia do has been discussed in to accounts of of the female recep- their appropriate genus difficulty. In addition, a number of species occur which are so distinct that they cannot be accommodated in any of these four genera without their definitions being extended beyond reasonable limits. genera. Two sibly not occur Four of these have in Queensland, monotypic), and two namely already in New Guinea, namely characteristics of Austromatthaea and Kairoa have differs from 1980). Tetrasynandra in the cohesion of its four slits, not pers. 1899, the as stated and the interpretation Fig. 1. Range tromatthaea: into (1925) by has cannot of these species Jaya of Perkins specimens Two further is from Irian by Lauterbachia comm.). Steganthera stamens not two been column; horizontal slits not female monotypic Lauterbachia. been discussed subulate stigma distribtion 4. (Endress, 1980; Foreman, original receptacles discovery were found, of six in and confirmation. proposed monotypic Lauterbachia; and by single as new genera, both monotypic. One, Faika, and the other, Parakibara, from Halmahera in the Moluccas 3. Kairoa; The (Philipson, its anthers open collected since its Only as Tetrasynandra (pos- Kairoa and already in the obtuse central be located. requires are now a been described Austromatthaea and 5. genera Faika;6. of Mollinedieae. Parakibara. 1. (fig. 1). Tetrasynandra; 2. Aus- W. R. In Faika the and the female , upper contain ers receptacle anthers tive portion (fig. 2). opening by detached this respect two presence of similar are The second new in the female those of to receptacle genus plant dieae. The male only. an erect of stamens (4 pairs), were and carpella masculi of their regularity ovoidei; tepala 6; numerosa, Kaneh. & Flowers ed by dehiscentes. stylis sile, dioecious. anthers with 2—3 with as a a c. of In tepals. 1961 to (fig. 3). single slit, a In the collection single stamens any known stamens no of Kibara species The and leave in the Molline- have stamens are arranged nine example dissected, in a pairs excludes the assignment of this nov. gen. turbinata, superiore receptaculo Stamens villoso at pairs its base c. sessilia. 24, antherae per duas receptaculi calyptrata; parte stigma. T y p - u s: Steganthera 1940 the primary Japanese Royen and A small ostiole surround- surface, outer tree Carpels with of female Receptacle inner swollen and the glandular) upper part numerous, ses- entire ob- opposite, or in the leaf axils. Peninsula to the Cyclops Mts. rain forest. botanists Kanehira and Hatusima collected they described as Steganthera villosa. Their a shrub specimens flowers. Since generic differences in the Mollinedieae generic identity of this plant no floral characters the the lower on large the inner surface of the filament short. tepals (the solitary Jaya: Vogelkop in or slits, of a over inner surface setulose. villose leaves. Flowers Understorey 24, inserted c. vertical two subulate stipe and Manokwari which Van in after anthesis, bore clusters of achenes but relate a placed receptaculum dispersa, per feminei 5 decussate of bracts Distribution. Irian Note. be of male flower ovoid, with Receptacle calyptra long Ecology. Philipson, Achenia opening by pairs scurely dentate, south that genus. whether the upper part of must than that of arrangement stamina Flores subulatis. flower turbinate, with abscissing to from known Hatus. 3 decussate pairs of receptacle, and within the ostiole of the conform unknown rows. connec- with Kairoa. The incompatible Kibara and in four vertical the present. This number is much greater than in any species of Kibara the longitudinales villosa is anthers with bearing by in that genus. The placed of the very variable Central and not large of the However, the Wilkiea. to Flores The male flow- Kairoa. the characters of the but to larger FAIKA rimas do therefore, related is be to prominent glands style Parakibara, It is, is much filament that is, manner, within the ostiole the inner surface over species species considerable number of strap-shaped decussate species a 419 calyptra. Wilkiea and receptacle pollination, closely is receptacle and accommodates proposed, after abscisses doubt that this irregularly some subulate long very which bears male flowers the circumscissile allow this to South American genus Mollinedia, but the female flower and the Malesia vertical slits and with their locules well separated hyperstigma a male flowers in glands (hyperstigma) a approaches it unlike those of Wilkiea are too Parakibara as distributed stamens In and has swollen receptacle becomes numerous Faika Philipson: Sleumer made two collections was of the not firmly same based. In species in the 420 BLUMEA Cyclops Mts and flowers. The Van by Fig. d. Royen 2. Faika same in villosa 5729) (For figure Steganthera c. 5—6 base mm or one No. 30, 2, 1985 of these bore male flowers and the other derived from the river Philipson. e. of stamen, Female a. x 20 leafy shoot, (Kaneh. villosa A shrub is VOL. Faika, where specimens & b Bot. see flower, van tree Hatus., to 3 Bot. m x 6½; Royen female collected & b. same Sleumer apex apiculate, comb. Mag. Tokyo high, acute, in section; 6082; c, d male c. van flower, Royen x 6½; & Sleumer Mag. Tokyo 56, 1942, 259). Hatus.) Philipson, Kaneh. & small (a, shoots nov. 56 - (1942) densely bristly along Fig. 2. 259. villose. Leaves long, villose; blade oblong-elliptic, 240—440 cordate, were and Sleumer. section; Faika villosa fortunately name - x opposite; petiole 65—130 mm, the veins and on both chartaceous, surfaces, but W. R. the upper surface 55 c. the stamens mm, vertical with glabrous, decussate carpels pairs, to c. 30 sessile, mm, slit, 2—3 the numerous, tescence 10 a 3 c. & Sleumer 5729 smooth with long, sessile, Jaya: Vogelkop Kostermans & with villose pale in masculi dehiscentes. Receptacle serted bark. grey-brown ripe Flores feminei 8 5 surface setulose; inner and stigma. style achenes miles male south ovoid, of Infruc15 c. x Manokwari, of Sukarna- town Mayr 334; Faika River, Royen van & Sleumer 6082. between flowers 100—1250 The conspicuous. Philipson, - 18 c. T y p u are altitude. m older branches the yellowish, are female (?) nov. (9 pari decussata), with antherae per rimam singu- clavigera Philipson. 4. Stamens anthers receptacle, tree gen. Parakibara s: obovoid, tepals of the Flowers in maturity. 6 Royen forest, are stamina ignoti. of male flower base van The flowers and fruits unknown. A small glabrous x c. c. achenes black. obovoidei; tepala 4; towards the at 7 base, tepals turbinate, above the subulate Peninsula, rain leaves PARAKIBARA Flores long anthers, each locule two the base;tepals 6, the inner surface of flowers at or Peninsula, Ormoe, primary and stems flowers orange, and the larem a the near over Soegeng 328; Cyclops Mts, between Ifar and Undergrowth The Female pairs swollen and glandular, , Note. the separating long. mm Hatusima 13150; Wandammen Ecology. usually irregularly the up- on flowers obovoid, hirsute. (Hollandia), pura 1 c. midrib; the midrib, lateral surface, impressed diam., woody, setulose, margin revolute; mm Distribution. Irian Kanehira & distributed 421 sessile. Male ± bracts triangular Malesia the of small deltoid bracts pairs mm for in the lower solitary, connective anthers inner 3 Parakibara on flowers (c. 24) numerous filament terete, receptacle, opening by raised 1—2 small long, glabrous, mm and glabrous, except prominently Inflorescence axillary, surface. triangular; ± becoming veins and reticulation per Faika Philipson: 18, c. in decussate opening by a single opposite irregularly pairs, in- slit. Female dentate leaves, fascicles. axillary Distribution. Moluccas: Flalmahera. Parakibara Folia lata, c. x A mm 6 mm, tepala 4, longa, perberula; ignoti. - 180 oblongo-elliptica, c. margine irregulariter 9.5 mm clavigera Philipson, T yp small long, u s: tree blade obtusa. anthera Taylor (?), x dentata. 80 mm, Stamina or Fig. chartacea, 3 c. basi cuneata, longa, mm c. unicam glabrous shortly c. when 180 x apiculate, mm, Flores 18, quadriparia, dehiscens. Pasir Flores Putih, Leaves mature. 80 obtusa vel breve apice fasciculatae. axillares, rimam per 3. (BO), Moluccas, Halmahera, oblong-elliptic, cuneate, apex obtuse — Inflorescentiae deltata, 2835A shoots nov. spec. 22 masculi erecta; filamenta feminei May et base 10—12 broadly dentate in the upper part, midrib and lateral veins prominent. ? Monoecious. Inflorescence axillary, densed cyme forming a fascicle of a few flowers arising 2 fructus 1979. opposite; petiole stiffly chartaceous, margin irregularly apicu- ovoidei, from a short a con- peduncle; BLUMEA 422 Fig. 3. Parakibara flower, x 4; peduncle c. 20 Male mm clavigera same 2—3 in mm long, ments pairs long, c. x 5; fleshy, x 4 opening 2 by Leafy closely but 6 rows c. a. d. stamen, x 8 with 9.5 forming broad and triangular, Philipson. section, slender below flower ovoid, decussate long, c. VOL. - a shoot only 2, 1985 with male imbricated bracts, below the tepals 4, obtuse; inserted on the inflorescence, single x 12; b. male sparsely pubescent; stamens from the type. 3 mm lower part of the A-shaped split. pedicel flower, sparingly pubescent. long, sparingly pubescent, seen. Distribution. Known No. (Taylor 2835A). thickening mm, mm 30, long, anthers erect, Female 18 in c. receptacle, flower and c. 1 fruit filamm not W. R. and Parakibara in Malesia 423 No information. Ecology. Vernacular Note. The and Faika Philipson: numerous name. 0 morihuhuku. refers specific epithet anthers are to the in four arranged large club-shaped regular and male flowers. The closely packed large ranks. ACKNOWLEDGEMENT I Latin wish thank to Elizabeth Dr. Edgar of Botany Division, D.S.I.R., for with assistance the diagnoses. REFERENCES ENDRESS, P. K. 1980. Monimiaceae. PERKINS, 26: Ontogeny, Syst. W. R. 1980. Kairoa, function 134: Evol. 1925. Ubersicht liber J. PHILIPSON, Pl. a die and evolution of extreme floral construction in 79-120. Gattungen new genus der Monimiaceae. of Monimiaceae Englemann, Leipzig. from Papua New Guinea. Blumea 367-372. 1984. A synopsis of the A synopsis of the Malesian species of Steganthera (Monimiaceae). Blumea species of Kibara 29: 481- 497. 1985. Malesian (Monimiaceae). Blumea 30: 389-415.