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FIGURE 3 in Floristic records from the upper Sepik of Papua New Guinea: Aristolochia chrismülleriana sp. nov. (Aristolochiaceae), Monanthocitrus paludosa (Rutaceae), and Secamone timorensis (Apocynaceae)
FIGURE 3. Aristolochia chrismülleriana W.N.Takeuchi. A, aspect (compare with Ding Hou 1984: 89, fig. 9); B, anthetic flower: B1, utricle, B2, syrinx tube, B3, limb; C, mature fruit. A–C from Takeuchi, Towati & Ama 22417B.
FIGURE 4 in Floristic records from the upper Sepik of Papua New Guinea: Aristolochia chrismülleriana sp. nov. (Aristolochiaceae), Monanthocitrus paludosa (Rutaceae), and Secamone timorensis (Apocynaceae)
FIGURE 4. Island of New Guinea. Collection localities from the text. A, Hollandia (present-day Jayapura); B, Aprilfluss junction; C, Waskuk Hills; D, Natawe-Kamelsrücken; E, Angoram.
FIGURE 2. Secamone timorensis Decne. A in Floristic records from the upper Sepik of Papua New Guinea: Aristolochia chrismülleriana sp. nov. (Aristolochiaceae), Monanthocitrus paludosa (Rutaceae), and Secamone timorensis (Apocynaceae)
FIGURE 2. Secamone timorensis Decne. A, corolla limb in frontal view; B, flowering aspect, inflorescences branched through 2–4 orders; C, abaxial leaf surfaces. A–C from Takeuchi, Towati & Ama 17278.
FIGURE 1 in Floristic records from the upper Sepik of Papua New Guinea: Aristolochia chrismülleriana sp. nov. (Aristolochiaceae), Monanthocitrus paludosa (Rutaceae), and Secamone timorensis (Apocynaceae)
FIGURE 1. Kamelsrücken (Camel Back), type locality for Aristolochia chrismülleriana. A, the aptly named topographic feature can be instantly recognized by its summit profile. Etappenberg is located on east-facing slopes of the twin peaks. B, April River.
FIGURE 7 in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 7. Christensenia aesculifolia (Blume) Maxon subsp. korthalsii (deVriese) Rolleri. A, sori; B, frond undersurfaces. Among marattioid ferns, Christensenia is unique in its reticulate venation, pedate fronds, circular synangia, and creeping rhizomes (Murdock 2008). A from Takeuchi, Ama & Gambia 25795; B from Takeuchi, Ama & Gambia 25315.
FIGURE 10. Rheopteris cheesmaniae Alston. A in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 10. Rheopteris cheesmaniae Alston. A, aspect; B, venation and sori. The pinnate fronds and circular sori are (inter alia) anomalous features among vittarioid ferns. A–B from Takeuchi, Ama & Gambia 25387.
FIGURE 4 in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 4. Dipteris lobbiana (Hook.) T.Moore. A, stipe; B, sori and venation. A–B from Takeuchi, Ama & Gambia 24962.
FIGURE 8 in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 8. Characteristic foothill habitat for Rheopteris cheesmaniae Alston, at survey site 6 (4°38.785'S, 141°47.789'E, 355 m). The fern is present on forest slopes throughout the area.
FIGURE 6 in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 6. Christensenia aesculifolia (Blume) Maxon subsp. korthalsii (deVriese) Rolleri. A, aspect; B, furfuraceous stipes are characteristic of subsp. korthalsii; C, stipuliform auricles (2) inserted at the stipe-rhizome junction. A–C from Takeuchi, Ama & Gambia 25315.
FIGURE 2 in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 2. Dipteris lobbiana (Hook.) T.Moore. Habitat. Colony on creekbed boulders discolored by heavy metals (4°40.741'S, 141°46.260'E, 530 m, 9 February 2010). Streams in mafic environments are toxic, requiring service water to be obtained via rainfall or helicopter delivery.
FIGURE 5 in Fern distributional records in Christensenia (Marattiaceae), Dipteris (Dipteridaceae), and Rheopteris (Pteridaceae) from the upper Sepik of Papua New Guinea
FIGURE 5. Foothill habitat at survey site 5 (4°37.247'S, 141°41.380'E, 440 m, 13 December 2009). Christensenia was first discovered in forest understories adjacent to the riverbed.
FIGURE 1. Phyllanthera lancifolia. A in Notes on Phyllanthera (Apocynaceae) from the upper Sepik of Papua New Guinea: P. lancifolia and P. piforsteriana sp. nov.
FIGURE 1. Phyllanthera lancifolia. A, vining habit; B, flower bud; C, pre-anthetic corolla. A–B from Takeuchi et al. 26077; C from Takeuchi et al. 25828.
FIGURE 4. Phyllanthera piforsteriana. A in Notes on Phyllanthera (Apocynaceae) from the upper Sepik of Papua New Guinea: P. lancifolia and P. piforsteriana sp. nov.
FIGURE 4. Phyllanthera piforsteriana. A, anthetic flower, frontal perspective; B, inflorescence, aspect; C, anthetic flower, oblique perspective. A, C from Takeuchi et al. 25729; B from Takeuchi et al. 25595.
FIGURE 6 in Notes on Phyllanthera (Apocynaceae) from the upper Sepik of Papua New Guinea: P. lancifolia and P. piforsteriana sp. nov.
FIGURE 6. Forest edge habitat at the type locality for Phyllanthera piforsteriana. The new species is a common vine in foothill and premontane communities.
FIGURE 3. Phyllanthera piforsteriana. Leaves and venation. A in Notes on Phyllanthera (Apocynaceae) from the upper Sepik of Papua New Guinea: P. lancifolia and P. piforsteriana sp. nov.
FIGURE 3. Phyllanthera piforsteriana. Leaves and venation. A, adaxial leaf surface; B, abaxial leaf surface. A–B from Takeuchi et al. 25595.
FIGURE 2. Phyllanthera piforsteriana. Scandent habit. A in Notes on Phyllanthera (Apocynaceae) from the upper Sepik of Papua New Guinea: P. lancifolia and P. piforsteriana sp. nov.
FIGURE 2. Phyllanthera piforsteriana. Scandent habit. A, partial view of one follicle. From Takeuchi et al. 25595.
FIGURE 5. Helicia woxvoldiana W.N in A distinctive addition to the tree flora of Papua New Guinea: Helicia woxvoldiana sp. nov. (Proteaceae), a large-flowered myrmecophyte from the upper Sepik
FIGURE 5. Helicia woxvoldiana W.N.Takeuchi. Anthetic flowers from the attractive and fragrant inflorescence. Disk glands are clearly connate. From Takeuchi, Ama & Gambia 25095.
FIGURE 2. Helicia woxvoldiana W.N.Takeuchi. Alois Gambia with a in A distinctive addition to the tree flora of Papua New Guinea: Helicia woxvoldiana sp. nov. (Proteaceae), a large-flowered myrmecophyte from the upper Sepik
FIGURE 2. Helicia woxvoldiana W.N.Takeuchi. Alois Gambia with a flowering branch from the type gathering (Takeuchi, Ama & Gambia 25095).
FIGURE 4. Helicia woxvoldiana W.N.Takeuchi. A in A distinctive addition to the tree flora of Papua New Guinea: Helicia woxvoldiana sp. nov. (Proteaceae), a large-flowered myrmecophyte from the upper Sepik
FIGURE 4. Helicia woxvoldiana W.N.Takeuchi. A, mature fruit (7 × 5.5 cm in vivo); B, branch with pre-anthetic inflorescences; C, immature fructescence. A from Takeuchi, Ama & Gambia 25095; B from Takeuchi, Ama & Gambia 25028; C from Takeuchi, Ama & Gambia 25031.
FIGURE 12 in The genus Astylosternus in the Upper Guinea rainforests, West Africa, with the description of a new species (Amphibia: Anura: Arthroleptidae)
FIGURE 12. Mouth part of a Astylosternus laticephalus sp. nov. tadpole from Afao Hills, Ghana (ZMB 75460; Gosner stage 39; SVL: 23.8 mm).
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