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POA OPINATA (GRAMINEAE), A NEW SPECIES FROM G. BINAIYA, CERAM, MOLUCCAS, INDONESIA
Abstract
VELDKAMP, J. F. 2017. Poa opinata (Gramineae), a new species from G. Binaiya, Ceram, Moluccas, Indonesia. Reinwardtia 16 (2): 73–75. — Poa species is described from Ceram, Moluccas and compared to Poa languidior from New Guinea.
... Alsophila binayana (M.Kato) Lehnert & Coritico and Sphaeropteris pukuana (M.Kato) Lehnert & Coritico that form tree fern savanna up to 2700 m(Ebihara et al. 2012;Coritico et al. 2017), as well as Poa opinata Veldkamp, an interesting, but expected, 'stepping-stone' taxon, filling a gap between the genus in Borneo and New Guinea(Veldkamp 2017). In addition, several new species of fern are currently being prepared for description from the mountain(Ebihara et al. 2012); Gunung Binaiya clearly merits further exploration.Zygogynum sundaicum Utteridge sp. ...
The Winteraceae comprise 100 – 130 species in five to nine genera. The genus Zygogynum is currently thought to have a Papuasian-Pacific distribution and is only known from the western Pacific islands (New Caledonia, Vanuatu and the Solomon Islands), Australia and New Guinea, including the far western Bird’s Head Peninsula, but is not yet recorded from islands to the west of the Sahul Plate and the biogeographic boundary of Lydekker’s Line. Here, two new species of Zygogynum are described from west of both Wallace’s and Lydekker’s Lines. Zygogynum moluccanum is described from the Moluccan islands of Indonesia, and Z. sundaicum , a new species and generic record for the Sunda shelf, is described from the northern part of the Malaysian State of Sarawak in Borneo. In addition to descriptions and illustrations of the new species, the generic delimitation, fossil record and potential dispersal agents of Zygogynum are discussed.
RUGAYAH & SUNARTI, S. 2017. The genus Lasianthus (Rubiaceae) in Wawonii Island, Sountheast Sulawesi, Indonesia. Reinwardtia 16 (2): 97–101. — Recent botanical excursions carried out at Wawonii island, Southeast Sula-wesi yielded two Lasianthus novelties distinct from other Lasianthus species enumerated for Sulawesi. These two new species are described here as Lasianthus wawoniiensis Rugayah & Sunarti and L. macrobracteatus Rugayah & Sunarti. Descriptions and illustrations of the two new species are provided, including an identification key to all Lasianthus species occurring in the area.
MAMBRASAR, Y. M. & SCHUITEMAN, A. 2017. A new species of Trichotosia (Orchidaceae: Epidendroideae: Podochileae) from Tambrauw, Papua New Guinea, Indonesia. Reinwardtia 16(2): 107-110. - Trichotosia gabriel-asemiana Mambrasar & Schuiteman. Its description and illustration was presented.
SULISTIARINI, D., POTTER, D. & O’BYRNE, P. 2017. Dendrobium tinukariensis, a new species of section Calyptrochilus from Mekongga Mountains, South East Sulawesi, Indonesia. Reinwardtia 16 (2): 103–106. — A new species of Dendrobium (Orchidaceae), D. tinukariensis is described and illustrated from Mekongga, Southeast Sulawesi, Indonesia. It belongs in Dendrobium sect. Calyptrochilus.
WIBOWO, A.R.U. & JUSWARA, L.S. 2017. A new species of Appendicula section Pododesme (Orchidaceae) from Indonesia. Reinwardtia 16 (2): 65–71. - A new species, Appendicula cordata (sect. Pododesme) from eastern Indonesia, is described and illustrated. Its habit is similar to that of Appendicula infundibuliformis J. J. Sm., but it differs in having flowers with a cordate appendage and a lip reflexed to the right. An identification key to the species of Appendicula sect. Pododesme, a distribution map, photos and line drawing are also provided.
MANSUR, M & KARTAWINATA, K. 2017. Phytosociology of a Lower Montane Forest on Mt. Batulanteh, Sumbawa, Indonesia. Reinwardtia 16 (2): 77-92. — While Indonesia’s forests are globally known for their high species diversity but many regions remain little known to investigate the tree community in a lower montane forest at Mt. Batulanteh in Sumbawa. We subjectively laid out plots of 1,800 m2 each, two in secondary forests and one in a disturbed primary forest. All stems over 5 cm diameters were measured and identified. In the plot of 0,54 hectare, we recorded 723 individuals, representing 78 species, 60 genera and 33 families. Estimated volume of boles was 183.2 m3/0.54 ha, biomass was 220.1 tons/0.54 ha, carbon stock was 110.0 tons/0.54 ha and CO2 sequestration was 403.1 ton/0.54 ha. The forest at Mt. Batulanteh is classified as Garcinia-Cryptocarya association consisting of Micromelum-Cinnamomum subassociation. Dipterocarpus-Calophyllum subassociation and Garcinia-Syzygium subassociation. Dominant species were Micromelum minutum (IV=27.24), Mallotus philippensis (IV=26.2), Cryptocarya ferrea (IV=24.71) and Cinnamomum burmanni (IV=23.81) in Plot 1, Dipterocarpus retusus (IV=77.4) and Calophyllum soulattri (IV=24.21) in Plot 2, and Garcinia celebica (IV=34.86) and Syzygium sp. 1 (IV=34.76) in Plot 3. Dipterocarpus retusus was unique of having restricted distribution. Fagaceae, typical family in montane forests, was absent. Shannon’s diversity index was low (H '= 1.61). It can be concluded that the plots do not constitute a representative of Mt. Batulanteh and the surrounding forests, but they were sufficient to provide an illustration of the forests locally. The diameter class distribution indicated that the forests were regenerating. They were developing secondary forest and regenerating disturbed primary forest; slow successions were in the process and could be enhancedby ecological restoration. Further botanical explorations in poorly known regions of Sumbawa should be intensified further.
RUSTIAMI, H. & HENDERSON, A. 2017. A synopsis of Calamus (Arecaceae) in Sulawesi. Reinwardtia 16 (2): 49-63. - A synopsis of the rattan genus Calamus in the Indonesian island of Sulawesi is given. Twenty-three species are recognized, including two new species that are described and illustrated: Calamus posoanus and C. sandsii. Nomencla-ture, including designation of 17 lectotypes, is given for each species, as well as notes on distribution, habitat, vernacu-lar names, specimens examined, uses, and systematics.
MAZUMDAR, J. 2017. Typification of Tectaria paradoxa (Polypodiaceae subfam. Tectarioideae). Reinwardtia 16(2): 93?95. — Aspidium paradoxum has not yet been lectotypified, because the original material is ambiguous. A specimen from the collections of A. Fée, the author of the species, was located in the herbarium of Montpellier (MPU), which is here designated as the lectotype for this species. It is now known as Tectaria paradoxa, a fern species widely distributed across tropical Asia.
RUGAYAH & SUNARTI, S. 2017. The genus Lasianthus (Rubiaceae) in Wawonii Island, Sountheast Sulawesi, Indonesia. Reinwardtia 16 (2): 97–101. — Recent botanical excursions carried out at Wawonii island, Southeast Sula-wesi yielded two Lasianthus novelties distinct from other Lasianthus species enumerated for Sulawesi. These two new species are described here as Lasianthus wawoniiensis Rugayah & Sunarti and L. macrobracteatus Rugayah & Sunarti. Descriptions and illustrations of the two new species are provided, including an identification key to all Lasianthus species occurring in the area.
WIBOWO, A.R.U. & JUSWARA, L.S. 2017. A new species of Appendicula section Pododesme (Orchidaceae) from Indonesia. Reinwardtia 16 (2): 65–71. - A new species, Appendicula cordata (sect. Pododesme) from eastern Indonesia, is described and illustrated. Its habit is similar to that of Appendicula infundibuliformis J. J. Sm., but it differs in having flowers with a cordate appendage and a lip reflexed to the right. An identification key to the species of Appendicula sect. Pododesme, a distribution map, photos and line drawing are also provided.
MANSUR, M & KARTAWINATA, K. 2017. Phytosociology of a Lower Montane Forest on Mt. Batulanteh, Sumbawa, Indonesia. Reinwardtia 16 (2): 77-92. — While Indonesia’s forests are globally known for their high species diversity but many regions remain little known to investigate the tree community in a lower montane forest at Mt. Batulanteh in Sumbawa. We subjectively laid out plots of 1,800 m2 each, two in secondary forests and one in a disturbed primary forest. All stems over 5 cm diameters were measured and identified. In the plot of 0,54 hectare, we recorded 723 individuals, representing 78 species, 60 genera and 33 families. Estimated volume of boles was 183.2 m3/0.54 ha, biomass was 220.1 tons/0.54 ha, carbon stock was 110.0 tons/0.54 ha and CO2 sequestration was 403.1 ton/0.54 ha. The forest at Mt. Batulanteh is classified as Garcinia-Cryptocarya association consisting of Micromelum-Cinnamomum subassociation. Dipterocarpus-Calophyllum subassociation and Garcinia-Syzygium subassociation. Dominant species were Micromelum minutum (IV=27.24), Mallotus philippensis (IV=26.2), Cryptocarya ferrea (IV=24.71) and Cinnamomum burmanni (IV=23.81) in Plot 1, Dipterocarpus retusus (IV=77.4) and Calophyllum soulattri (IV=24.21) in Plot 2, and Garcinia celebica (IV=34.86) and Syzygium sp. 1 (IV=34.76) in Plot 3. Dipterocarpus retusus was unique of having restricted distribution. Fagaceae, typical family in montane forests, was absent. Shannon’s diversity index was low (H '= 1.61). It can be concluded that the plots do not constitute a representative of Mt. Batulanteh and the surrounding forests, but they were sufficient to provide an illustration of the forests locally. The diameter class distribution indicated that the forests were regenerating. They were developing secondary forest and regenerating disturbed primary forest; slow successions were in the process and could be enhancedby ecological restoration. Further botanical explorations in poorly known regions of Sumbawa should be intensified further.
RUSTIAMI, H. & HENDERSON, A. 2017. A synopsis of Calamus (Arecaceae) in Sulawesi. Reinwardtia 16 (2): 49-63. - A synopsis of the rattan genus Calamus in the Indonesian island of Sulawesi is given. Twenty-three species are recognized, including two new species that are described and illustrated: Calamus posoanus and C. sandsii. Nomencla-ture, including designation of 17 lectotypes, is given for each species, as well as notes on distribution, habitat, vernacu-lar names, specimens examined, uses, and systematics.
MAZUMDAR, J. 2017. Typification of Tectaria paradoxa (Polypodiaceae subfam. Tectarioideae). Reinwardtia 16(2): 93?95. — Aspidium paradoxum has not yet been lectotypified, because the original material is ambiguous. A specimen from the collections of A. Fée, the author of the species, was located in the herbarium of Montpellier (MPU), which is here designated as the lectotype for this species. It is now known as Tectaria paradoxa, a fern species widely distributed across tropical Asia.
The systematic position and generic differentiation of the morphologically and geographically outstanding tribe Epithemateae (Gesneriaceae) was analyzed using the rbcL/atpB-spacer and trnL-F intron-spacer regions of chloroplast DNA. In our analysis Epithemateae forms a strongly supported monophyletic clade (bootstrap [BS] = 100%; jackknife [JK] = 100%; decay index [DI] = 12) and appears as sister to the rest of the paleotropical Gesneriaceae (= subfamily Cyrtandroideae). The paleotropical Gesneriaceae form a monophyletic group (BS = 88%; JK = 85%; DI = 3) that is sister to the neotropical Gesneriaceae (subfamily Gesnerioideae) plus Austral Gesneriaceae (subfamily Coronantheroideae) (BS = 99%; JK = 98%; DI = 10). Within Epithemateae Rhynchoglossum is sister to the remaining Epithemateae (BS = 97%; JK = 96%; DI = 12), in which Epithema is sister to a clade of two genera: Loxonia/Stauranthera (BS = 68%; JK = 64%; DI = 1), which form, together with Epithema, a sister clade (BS = 85%; JK = 83%; DI = 2) to Whytockia and Monophyllaea. While the support for Loxonia and Stauranthera is moderate, the relationship of Whytockia and Monophyllaea is very strongly supported (BS = 100%; JK = 100%; DI = 13). Apart from the somewhat surprising (but well-substantiated) isolated position of Rhynchoglossum, the results are in perfect accordance with the relationships worked out earlier on grounds of architectural and floral characters. Especially remarkable is the predicted coherence between the morphologically and geographically different genera Whytockia and Monophyllaea.
A new species of Trichotosia (Orchidaceae: Epidendroideae: Podochileae) from Tambrauw
- Yasper Michael
- Andre Schuiteman
YASPER MICHAEL MAMBRASAR & ANDRE SCHUITEMAN. A new species of Trichotosia (Orchidaceae:
Epidendroideae: Podochileae) from Tambrauw, West Papua, Indonesia …..……………………………………. 110
Bibliogr aphy, list of liter atur e cited or r efer ences follow the Har var d system as the following examples
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References. Bibliogr aphy, list of liter atur e cited or r efer ences follow the Har var d system as the
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