@article {3993, title = {Studies on Schismatoglottideae (Araceae) of Borneo XXXV {\textendash} Seven New species of Aridarum}, journal = {Aroideana; Journal of the International Aroid Society}, volume = {37}, year = {2014}, pages = {32}, chapter = {9}, abstract = {

Seven new species of Aridarum are described and illustrated: Aridarum pendek S.Y.Wong, S.L.Low \& P.C.Boyce and A. velutandrum S.Y.Wong, S.L.Low \& P.C. Boyce [Sarawak, Malaysian Borneo]; A. alatense S.Y.Wong, S.L.Low \& P.C.Boyce, A. surukense S.Y.Wong, S.L.Low \& P.C. Boyce, and A. zygosetum S.Y.Wong, S.L.Low \& P.C.Boyce [Kalimantan Barat and Kalimantan Tengah, Indonesian Borneo]; and A. hebe S.Y.Wong, S.L.Low \& P.C.Boyce [Kalimantan Utara, Indonesian Borneo]. Aridarum caulescens var. angustifolium Bogner \& Nicolson is shown to represent a further undescribed species from Sarawak, and is here published as Aridarum orestum S.Y.Wong, S.L.Low \& P.C.Boyce. Together these seven novelties take the genus Aridarum to 21 accepted, described species. An identification key to all species is provided.

}, keywords = {Araceae, Aridarum, Borneo, Indonesia, Kalimantan, Malaysia, rheophytic., Sarawak}, author = {WONG SIN YENG and LOW SHOOK LING and Peter C. Boyce} } @article {3992, title = {Studies on Homalomeneae (Araceae) of Borneo XV: A Novel Limestone-Obligated Homalomena from SW Sarawak, Malaysian Borneo}, journal = {Aroideana; Journal of the International Aroid Society}, volume = {37}, year = {2014}, pages = {43}, chapter = {38}, abstract = {

Homalomena selaburensis P.C.Boyce \& S.Y.Wong is described as a taxonomic novelty of the Homalomena Supergroup from forested Karst limestone in Samarahan Division, SW Sarawak, and compared with the most similar species described so far from Sarawak (Homalomena passa S.Y.Wong \& P.C.Boyce), and from Peninsular Malaysia (Homalomena curvata Engl.). An identification key is provided and Homalomena selaburensis is illustrated from living plants.

}, keywords = {Araceae, Borneo, Homalomena, limestone., Malaysia, Sarawak}, author = {Peter C. Boyce and WONG SIN YENG} } @article {3991, title = {Studies on Homalomeneae (Araceae) of Borneo XIV {\textendash} A New Rheophytic Species of Homalomena from Sarawak, Malaysian Borneo}, journal = {Aroideana; Journal of the International Aroid Society}, volume = {37}, year = {2014}, pages = {37}, chapter = {33}, abstract = {

Homalomena stella P.C.Boyce \& S.Y.Wong is described as a new rheophytic species and illustrated from living plants. Based on several shared morphological characteristics the possible affinity of H. stella with Homalomena havilandii Ridl. is highlighted.

}, keywords = {Araceae, Borneo, Homalomena, Malaysia, rheophytic, Sarawak}, author = {Peter C. Boyce and WONG SIN YENG} } @article {3982, title = {Studies on Schismatoglottideae (Araceae) of Borneo XVII: The Schismatoglottis Hottae Complex, a new informal taxon, and three new species from Sarawak, Malaysian Borneo}, journal = {Gardens{\textquoteright} Bulletin. Singapore}, volume = {64}, year = {2012}, pages = {269}, chapter = {257}, abstract = {

On the basis of a suite of shared morphological characters, the Schismatoglottis Hottae Complex is defined as a Borneo-endemic informal taxon in the Schismatoglottis Asperata Group. Four species, three novel, are assigned to the Hottae Complex: S. hottae Bogner \& Nicolson, S. dilecta S.Y.Wong, P.C.Boyce \& S.L.Low, sp. nov., S. mira S.Y.Wong, P.C.Boyce \& S.L.Low, sp. nov., and S. thelephora S.Y.Wong, P.C.Boyce \& S.L.Low, sp. nov. A key to species of the Hottae Complex is proffered. Schismatoglottis hottae is illustrated from the Holotype herbarium material, the three novelties from living plants.

}, keywords = {Araceae, Borneo, Sarawak, Schismatoglottis Hottae Complex, Schismattoglottis}, author = {S.Y. Wong and P.C. Boyce and S.L. Low} } @article {3846, title = {On Hapaline appendiculata and Phymatarum borneense, Two Rare Araeeae from Borneo}, journal = {Plant Systematics and Evolution. Vienna, New York}, volume = {144}, year = {1984}, pages = {66}, chapter = {59}, abstract = {

On the basis of newly collected and cultivated material full descriptions and illustrations are presented for Hapaline appendiculata Ridl. and Phymatarum borneense M. Hotta.

}, keywords = {Angiosperms, Araceae, Bucephalandra. Flora of Borneo, East Malaysia, Hapale, Hapaline, Phymatarum, Sarawak}, author = {Josef Bogner} } @article {3651, title = {Studies on Schismatoglottideae (Araceae) of Borneo XXII: The enigmatic Aridarum montanum refound}, journal = {Gardens{\textquoteright} Bulletin. Singapore}, volume = {65}, year = {2013}, pages = {5}, chapter = {1}, abstract = {

Aridarum montanum Ridl., a species known from a single herbarium specimen allegedly collected on Gunung (Mt) Santubong, Sarawak, Malaysian Borneo in 1909, has been refound on exposed shales in Sri Aman Division, and Sarikei Division, Sarawak, and subsequently flowered in cultivation. Morphological differences of the new collection compared with the original description and figure are catalogued and commented upon. An amended and expanded species description is provided, and the plant is illustrated in habitat, and from flowering cultivated material. Speculations on the probable location origin of Brooks\’ type material are proffered.

}, keywords = {Aroid, Mount Santubong, rare species, Sarawak, shales}, author = {P.C. Boyce and S.Y. Wong} } @article {3634, title = {Studies on Homalomeneae (Araceae) of Borneo XVIII: Homalomena prolixa and H. scutata, two new species of doubtful affinity}, journal = {Willdenowia. Mitteilungen aus dem Botanischen Garten und Museum Berlin-Dahlem. Berlin-Dahlem}, volume = {44}, year = {2014}, pages = {285}, chapter = {279}, abstract = {

Wong S. Y. \& Boyce P. c.: Studies on Homalomeneae (Araceae) of Borneo XVIII: Homalomena prolixa and H. scutata, two new species of doubtful affinity. \– Willdenowia 44: 279 \– 285. 2014. \– Version of record first published online on 15 July 2014 ahead of inclusion in August 2014 issue; ISSN 1868-6397; \© 2014 BGBM Berlin-Dahlem.
DOI: http://dx.doi.org/10.3372/wi.44.44210
Two taxonomically novel species of Homalomena (Araceae: Homalomeneae), H. prolixa S. Y. Wong \& P. C.\ Boyce and H. scutata S. Y. Wong \& P. c.\ Boyce, both of doubtful taxonomic affinity, are described from SW Sarawak, and from Brunei and adjacent NE Sarawak, Borneo, respectively. Both occur as lithophytes on forested sandstone bluffs.

}, keywords = {aroids, Brunei, Malaysian Borneo, Sarawak}, author = {WONG SIN YENG and Peter C. Boyce} } @article {3509, title = {Studies on Schismatoglottideae (Araceae) of Borneo XXXIX: Schismatoglottis persistens, a new rhizomatous rheophytic species for the Schismatoglottis Multiflora Group}, journal = {Willdenowia. Mitteilungen aus dem Botanischen Garten und Museum Berlin-Dahlem. Berlin-Dahlem}, volume = {44}, year = {2014}, month = {08/2014}, pages = {251}, chapter = {247}, abstract = {

Wong S. Y. \& Boyce P. C.: Studies on Schismatoglottideae (Araceae) of Borneo XXXIX: Schismatoglottis persistens, a new rhizomatous rheophytic species for the Schismatoglottis Multiflora Group. \– Willdenowia 44: 247 \– 251. 2014. \– Version of record first published online on 8 July 2014 ahead of inclusion in August 2014 issue; ISSN 1868-6397;
\© 2014 BGBM Berlin-Dahlem.

DOI: http://dx.doi.org/10.3372/wi.44.44206

A new rheophytic species of Schismatoglottis, S. persistens S. Y. Wong \& P. C. Boyce is described from Sri Aman Division, Sarawak, Malaysian Borneo. It is remarkable in the genus by the combination of a creeping, rooting, rhizome-like stem and persistent ligules at the tip of the petiolar sheath.

}, keywords = {aroids, Malaysian Borneo, rheophyte, Sarawak, Sri Aman Division}, author = {WONG SIN YENG and Peter C. Boyce} } @article {3503, title = {Studies on Homalomeneae (Araceae) of Borneo VI: Homalomena giamensis, a New Species from Sarawak, Malaysian Borneo, with Observations on its Pollination}, journal = {Aroideana}, volume = {33}, year = {2010}, pages = {211}, chapter = {201}, abstract = {

A new species, Homalomena giamensis L.S.Tung, S.Y.Wong \& P.C.Boyce, is described and illustrated from karst limestone formations at Kampung Giam, Kuching Division, SW Sarawak, to where it is locally endemic. As part of an ongoing project to investigate triggers and barriers in speciation processes in Homalomena, observations of the pollination of Homalomena giamensis were undertaken to record inflorescence mechanics, interactions with insect visitors, and determine the pollinator. Five insect genera visited during anthesis-Diptera: Drosophilidae (Colocasiomyia); Coeleoptera: Chrysomelidae: (Chaloenus \& Dercetina sp.); Nitidulidae (genus undetermined), and Scarabaeidae: Rutelinae (Parastasia bimaculata Guerin). The pollinator was determined to be the ruteline scarab. Parastasia bimaculata is a rather widespread species in tropical Asia, and has previously recorded as a pollinating agent for one Bornean Homalomena. A review of pollination studies of tropical Asian aroids to date is given.

}, keywords = {Araceae, Borneo., Coleoptera, Homalomena giamensis, karst limestone, Parastasia bimaculata, pollination, Rutelinae, Sarawak, Scarabaeidae}, author = {Tung Lay Soon and WONG SIN YENG and Peter C. Boyce} } @article {3403, title = {Studies on Schismatoglottideae (Araceae) of Borneo XXXIII {\textendash} A review of the Schismatoglottis Tecturata Group, including description of a new species, Schismatoglottis evelyniae}, journal = {Aroideana; Journal of the International Aroid Society}, volume = {36E}, year = {2013}, month = {12/2013}, pages = {15}, chapter = {4}, abstract = {

Schismatoglottis evelyniae P.C.Boyce \& S.Y.Wong is described as a taxonomically new species in the Tecturata Group, morphologically most similar to Schismatoglottis platystigma M.Hotta and S. petri A. Hay. Schismatoglottis evelyniae, S. platystigma, S. petri, and S. tecturata are illustrated from living plants. A key to the species of the Schismatoglottis Tecturata Group is provided.

}, keywords = {Araceae, Borneo, Malaysia, Sarawak, Schismatoglottideae, Schismatoglottis}, issn = {2310-0745}, author = {Peter C. Boyce and WONG SIN YENG} } @article {3369, title = {Studies on Schismatoglottideae (Araceae) of Borneo XXXVII {\textendash} Three enigmatic new species of Schismatoglottis from the "Heart of Borneo"}, journal = {Aroideana}, volume = {37E}, year = {2014}, pages = {28}, chapter = {17}, abstract = {

Three new species of Schismatoglottis of uncertain taxonomic affinity (S. camera-lucida P.C.Boyce \& S.Y.Wong, S. gampsospadix P.C.Boyce \& S.Y.Wong, and S. gui P.C.Boyce \& S.Y.Wong) are described and illustrated from the north western part of the \“Heart of Borneo\”.

}, keywords = {Araceae, Borneo, Indonesia, Kalimantan., Malaysia, Sarawak, Schismatoglottis}, author = {Peter C. Boyce and WONG SIN YENG} } @article {3273, title = {Studies on Homalomeneae (Araceae) of Borneo XIII {\textendash} New Species of Homalomena}, journal = {Aroideana; Journal of the International Aroid Society}, volume = {36}, year = {2013}, pages = {29}, chapter = {8}, abstract = {

Five new Homalomena species are described from Sarawak, Malaysian Borneo: H. baangongensis L.S.Tung \& Y.C.Hoe, H. gastrofructa S.Y.Wong, Y.C.Hoe \& P.C.Boyce, H. ibanorum S.Y.Wong \& P.C.Boyce, H. passa S.Y.Wong \& P.C.Boyce, and H. velutipedunculata S.Y.Wong, Y.C.Hoe \& P.C.Boyce. Based on morphological characteristics they are assigned to the Giamensis Complex [H. baangongensis], Hanneae Complex [H. gastrofructa, H. velutipedunculata], and Borneensis Complex [H. ibanorum] of the Cyrtocladon Supergroup, and to the Selaburensis Complex [H. passa] of the Homalomena Supergroup. Keys to informal taxa of Bornean Homalomena, and to the species of the above mentioned species complexes are provided. All described novelties are illustrated from living plants, and a comparative plate of the spadix of the five described species of the Borneensis Complex is provided.

}, keywords = {Araceae, Borneo, Homalomena, Sarawak}, author = {WONG SIN YENG and Hoe Yin Chen and Tung Lay Soon and Peter C. Boyce} } @article {3153, title = {Studies on Schismatoglottideae (Araceae) of Borneo XXX {\textendash} New species and combinations for Bucephalandra}, journal = {Willdenowia. Mitteilungen aus dem Botanischen Garten und Museum Berlin-Dahlem. Berlin-Dahlem}, year = {2014}, pages = {199}, chapter = {149}, abstract = {

Nineteen new species of Bucephalandra Schott are described: B. akantha S. Y. Wong \& P. C.\ Boyce, sp. nov., B. aurantiitheca S. Y. Wong \& P. C.\ Boyce, sp. nov., B. belindae S. Y. Wong \& P. C.\ Boyce, sp. nov., B. bogneri S. Y. Wong \& P. C.\ Boyce, sp. nov., B. chimaera S. Y. Wong \& P. C.\ Boyce, sp. nov., B. chrysokoupa S. Y. Wong \& P. C.\ Boyce, sp. nov., B. diabolica S. Y. Wong \& P. C.\ Boyce, sp. nov., B. forcipula S. Y. Wong \& P. C.\ Boyce, sp. nov., B. goliath S. Y. Wong \& P. C.\ Boyce, sp. nov., B. kerangas S. Y. Wong \& P. C.\ Boyce, sp. nov., B. kishii S. Y. Wong \& P. C.\ Boyce, sp. nov., B. minotaur S. Y. Wong \& P. C.\ Boyce, sp. nov., B. oncophora S. Y. Wong \& P. C.\ Boyce, sp. nov., B. pubes S. Y. Wong \& P. C.\ Boyce, sp. nov., B. sordidula S. Y. Wong \& P. C.\ Boyce, sp. nov., B. tetana S. Y. Wong \& P. C.\ Boyce, sp. nov., B. ultramafica S. Y. Wong \& P. C.\ Boyce, sp. nov., B. vespula S. Y. Wong \& P. C.\ Boyce, sp. nov. and B. yengiae P. C.\ Boyce, sp. nov. Furthermore, three pre-existing species names are transferred from Microcasia Becc. to Bucephalandra: B. elliptica (Engl.) S. Y. Wong \& P. C.\ Boyce, comb. nov. (\≡ Microcasia elliptica Engl.), B. muluensis (M. Hotta) S. Y. Wong \& P. C.\ Boyce, comb. nov. (\≡ M. muluensis M. Hotta) and B. oblanceolata (M. Hotta) S. Y. Wong \& P. C.\ Boyce, comb. nov. (\≡ M. oblanceolata M. Hotta). Together these changes take Bucephalandra to 27 species. An updated generic description is provided, and a key to all species is offered. All species dealt with taxonomically and nomenclaturally are illustrated from living plants, and with comparative plates of the spadices. Where possible scientific names are correlated to nomenclature used by commercial suppliers. Remaining taxonomic problems are highlighted, and foci for further study suggested. Notes on the role of the motile interstice staminodes are supplied.

}, keywords = {aquarium plants, aroids, Brunei, identification key, Indonesia, Kalimantan, Malaysia, Sabah, Sarawak, taxonomy}, author = {WONG SIN YENG and PETER C.~BOYCE} } @article {2663, title = {Studies on Monstereae (Araceae) of Peninsular Malaysia 1: Rhaphidophora megasperma, a New Record for West Malaysia}, journal = {Tropical Life Sciences Research}, volume = {21}, year = {2010}, pages = {6}, chapter = {1}, abstract = {

Rhaphidophora megasperma Engl., a species hitherto regarded as endemic to Sarawak, East Malaysia, is published as a new record for Peninsular Malaysia. It is the first species in the Rhaphidophora Spathacea group recorded for western Sunda. The species is illustrated and a key to the perforate-laminated Rhaphidophora in Peninsular Malaysia is presented.

}, keywords = {Araceae, Borneo, Rhaphidophora, Sarawak}, author = {Baharuddin Sulaiman and Peter C. Boyce} } @article {2637, title = {Studies on Schismatoglottideae (Araceae) of Borneo XIV: Piptospatha marginata resurrected and observations on Piptospatha, notably for the Rejang drainages}, journal = {Webbia; Raccolta de Scritti Botanici. Florence}, volume = {66}, year = {2011}, pages = {32}, chapter = {29}, keywords = {Araceae, Borneo, Piptospatha, Rejang, Sarawak}, author = {Wong, Sin Yeng and Josef Bogner and Peter C. Boyce} } @article {2617, title = {Studies on Schismatoglottideae (Araceae) of Borneo XVIII: Additional observations on Schottariella mirifica}, journal = {Aroideana; Journal of the International Aroid Society}, volume = {35}, year = {2012}, pages = {28}, chapter = {24}, abstract = {

Schottariella mirifica, the sole species of a Bornean endemic genus, is known from four localities on the Kanowit and Ai river catchments of western Sarawak, Malaysian Borneo. Based on recent fieldwork we here present expanded ecological information, and new morphological data, including descriptions and illustrations of the previously unknown mature infructescence.

}, keywords = {Araceae, Fruits, Malaysian Borneo, Sarawak, Schottariella mirifica}, author = {Boyce, Peter C and WONG SIN YENG} } @article {2614, title = {Studies on Schismatoglottideae (Araceae) of Borneo XX: Beccari{\textquoteright}s {\guillemotleft}La Pi{\`u} piccola delle Aracee{\guillemotright}(Microcasia pygmaea) recollected and transferred to Bucephalandra Schott}, journal = {Webbia}, volume = {67}, year = {2012}, pages = {146}, chapter = {139}, abstract = {

Studi sulle Schismatoglottideae (Araceae) del Borneo XX: \«La pi\ù piccola delle Araceae\» del Beccari (Microcasia pygmaea) riscoperta e trasferita a Bucephalandra Schott \— Dopo circa 145 anni \è stata riscoperta Microcasia pygmaea Becc. Una attenta indagine rivela, contrariamente a recenti trattamenti tassonomici, che \è da ritenersi una specie distinta del genere Bucephalandra, ma tuttavia non conspecifi ca di B. motleyana Schott. Microcasia pygmaea Becc. Viene qui trasferita in Bucephalandra come B. pygmaea (Becc.) P.C. Boyce \& S.Y. Wong, comb. nov. Vengono fornite alcune note tassonomiche basate sulla morfologia. Bucephalandra \è considerato comprendere cinque specie, esposte in una nuova chiave identifi cativa. Vengono anche fornite note tassonomiche su Bucephalandra e Microcasia, e B. pygmaea viene illustrata da piante vive.

}, keywords = {Araceae, Borneo, Bucephalandra, Malaysia, Microcasia, Sarawak, Schismatoglottideae}, author = {Peter C. Boyce and Wong Sin Yeng,} }