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FIGURE 8. Nepenthes fusca. A—lower pitcher. B–C—upper pitchers. D in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 8. Nepenthes fusca. A—lower pitcher. B–C—upper pitchers. D—detail of male partial peduncles showing red thecae. E—aerial camera view of the western flanks of the Kemul Massif. Approximate elevations for the main habitats of N. fusca (1400 m) and N. mollis (2000 m) are indicated. Photographs A, B by A.S. Robinson; C–E by M.R. Golos.

FIGURE 7. Nepenthes fusca Danser. A—climbing stem with emerging inflorescence. B—lower pitcher. C—intermediate pitcher. D in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 7. Nepenthes fusca Danser. A—climbing stem with emerging inflorescence. B—lower pitcher. C—intermediate pitcher. D— base of lower/intermediate pitcher lid, showing detail of highly glandular keel. E—upper pitchers, top right ventral view, bottom left lateral view. F—base of upper pitcher lid showing distribution of indumentum. G—lower pitcher lid, top adaxial surface, bottom abaxial surface. H—peristome in cross-section. I—dehiscing seed capsules. J—male flowers. Scale bars: A, B, C, E, G = 1 cm, D, F, H, I, J = 5 mm. Based on Endert 3955 (isotype K) and supplemented with photographs and measurements made of in situ material. Illustrated by M. Barer.

FIGURE 6 in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 6. Pitchers of Nepenthes dactylifera. A—lower pitcher (Kelabit Highlands). B—lower pitcher (Hose Mountains). C—upper pitcher (Kelabit Highlands). D—upper pitcher (Hose Mountains). E—exposed clay laterite habitat (Hose Mountains). F—thinly bordered crateriform nectar glands on abaxial lid surface. G—ocellate-crateriform glands in the apical region of an upper pitcher lid. F & G from Prance 30548, grids = 1 mm. Photographs A–C by A.S Robinson; D, E by M. Barer; F, G by M.R. Golos.

FIGURE 3 in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 3. Comparison of the upper pitchers of (A) Nepenthes fusca, (B) N. dactylifera (two pitchers) and (C) N. zakriana. Illustrated by M. Barer.

FIGURE 4 in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 4. Distribution of Nepenthes dactylifera, N. fusca and N. zakriana in Borneo based on accessions held at BO, K, L and SAR herbaria, supplemented by field observations. Drawn by A.S. Robinson.

FIGURE 2 in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 2. Nepenthes documented during the expedition (all photographs taken in situ on Mt. Bagong and the Kemul Massif). Species recorded on both Mt. Bagong and the Kemul Massif: A—N. lowii (plant from Kemul); B—N. reinwardtiana (Bagong); C—N. tentaculata (Bagong); recorded on Mt. Bagong only: D—N. chaniana; E—N. fusca s.lat. 'Sarawak form' (named here as N. dactylifera); F—N. hirsuta; G—N. sp. Bagong; recorded on Kemul Massif only: H—N. fusca s.str.; I—N. mollis. Photograph A by S.R. McPherson; B–I by A.S. Robinson.

FIGURE 5. Nepenthes dactylifera A.S in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 5. Nepenthes dactylifera A.S.Rob., Golos, S.McPherson & Barer. A—climbing stem with emerging inflorescence. B—detail of internode showing leaf base decurrency. C—lower pitcher. D—abaxial surface of lid of lower pitcher with crateriform glands. E—detail of crateriform glands along midline rib as well as adjacent scattered pitted glands. F—upper pitchers, left lateral view, right ventral view. G—lateral view of upper pitcher lid. H—detail of upper lid apical protuberance. I—inflorescence. J—seed capsules. K—male flowers. Scale bars: A, B, C, D, F, G, J = 1 cm, E, H, K = 5 mm, I = 2 cm. Based on Prance 30548, as well as on photographs and measurements made of in situ material. Illustrated by M. Barer.

FIGURE 1. A in Revisions in Nepenthes following explorations of the Kemul Massif and the surrounding region in north-central Kalimantan, Borneo

FIGURE 1. A map showing the location of the Kemul Massif with respect to the principal logistics access route from Wahau Baru town, the expedition starting point (Long Sule village) and Mt. Bagong. Extents of geological terranes extracted from Tate (2001). Drawn by A.S. Robinson.

FIGURE 3 in Nepenthes fractiflexa (Nepenthaceae), a new Bornean pitcher plant exhibiting concaulescent metatopy and a high degree of axillary bud activation

FIGURE 3. Architecture and stem morphology of N. fractiflexa. A) plant entering climbing phase, with late-stage lower pitcher (Mt. Mulu); note fractiflex stem and spontaneous development of petiolar wings towards top-right. B) multi-branched stem (ca. 3 m long) trailing among Dicranopteris linearis ferns (Hose Mountains); note exposed clay laterite. C) detail of the same scrambling vine (Hose Mountains). D) distal end of climbing stem (Mt. Bagong); note dense pubescence. Photographs by B.D. Quinn (A), M. Barer (B, C), and A.S. Robinson (D).

FIGURE 4 in Nepenthes fractiflexa (Nepenthaceae), a new Bornean pitcher plant exhibiting concaulescent metatopy and a high degree of axillary bud activation

FIGURE 4. Rosette and lower pitchers of N. fractiflexa. A) young rosette pitcher (Mt. Mulu). B) older rosette pitcher (Mt. Mulu). C) latestage lower pitcher (Mt. Mulu). D) hanging lower pitchers of two epiphytic rosettes (Batu Buli). E) recently opened lower pitcher (Batu Buli). F) rosette pitcher (Mt. Bagong); note reduced ventral wings and fasciculate spur. Photographs by B.D. Quinn (A, B), A.S. Robinson (C, F), and M. Dančák (D, E).

FIGURE 2 in Nepenthes fractiflexa (Nepenthaceae), a new Bornean pitcher plant exhibiting concaulescent metatopy and a high degree of axillary bud activation

FIGURE 2. Distribution of Nepenthes fractiflexa and N. mollis in Borneo based on accessions held at BO, K, L, SAR and WAN herbaria, supplemented by field observations. Records of N. mollis (as N. hurrelliana) from Batu Buli, Batu Lawi and Mt. Mulu are omitted due to doubts over their identity (see Discussion). Drawn by A.S. Robinson.

FIGURE 1. Nepenthes fractiflexa Golos, A.S.Rob. & Barer. A in Nepenthes fractiflexa (Nepenthaceae), a new Bornean pitcher plant exhibiting concaulescent metatopy and a high degree of axillary bud activation

FIGURE 1. Nepenthes fractiflexa Golos, A.S.Rob. & Barer. A) portion of climbing stem with emerging inflorescence. B) upper pitchers, left ventral view, right lateral view. C) rosette pitcher. D) adaxial detail of a climbing stem leaf showing leaf venation and bract-like prophyll. E) climbing stem bearing upper pitchers and male inflorescence; note fractiflexion of stem. F) inflorescences, above male, below female. G) male flowers. H) detail of upper pitcher lid. I) detail of lower pitcher lid. Based on Anderson 4508 and supplemented with photographs and measurements made of in situ material. Illustration by M. Barer.

FIGURE 6 in Nepenthes fractiflexa (Nepenthaceae), a new Bornean pitcher plant exhibiting concaulescent metatopy and a high degree of axillary bud activation

FIGURE 6. Nepenthes fractiflexa growing in mossy forest on Mt. Bagong. The characteristic climbing stem (complete with spent male inflorescence) is visible in the background. Note the long-decurrent petiolar wings and large axillary prophylls. The orange pseudobulb adjacent to the foreground pitcher is that of a Dendrochilum sp. (Orchidaceae). Photograph by A.S. Robinson.

FIGURE 5 in Nepenthes fractiflexa (Nepenthaceae), a new Bornean pitcher plant exhibiting concaulescent metatopy and a high degree of axillary bud activation

FIGURE 5. Aerial pitchers of N. fractiflexa. A) intermediate pitcher (Mt. Mulu); note similarity in colouration to lower pitchers. B) upper pitcher produced on a different shoot of the same plant (Mt. Mulu). C) upper pitcher (Batu Buli); note undulate lid margins and basal swelling on abaxial lid surface. D) upper pitcher (Batu Lawi); note brown stippling. E) upper pitcher (Hose Mountains). F) upper pitcher (Mt. Bagong). Photographs by B.D. Quinn (A, B), M. Dančák (C), J. De Witte (D), M. Barer (E), and A.S. Robinson (F).

opennotspecifiedMay 2013View details →

FIGURE 1. Nepenthes alzapan A in Nepenthes alzapan (Nepenthaceae), a new species from Luzon, Philippines

FIGURE 1. Nepenthes alzapan A habit, with upper pitcher and male inflorescence; B transverse section of stem at base of leaf insertion; C hairs on outer pitcher wall; D lid of upper pitcher, lower surface; E nectar glands from lower surface of lid; F peristome, view from above; G peristome, inner edge, showing teeth; H peristome, transverse section, inner edge to right; I detail of fringed wings of upper pitchers; J male flower; K rhachis indumentum; L tepal indumentum, outer surface.A–E & J–L from Ramos & Edanõ in BS 45690 (NY); F–I from Ramos & Edanõ in BS 45690 (K). Scale bars: single=1 mm; graduated single bar = 2 mm and 3 mm; double = 1 cm; graduated = 5cm. All drawn by ANDREW BROWN.

opennotspecifiedDec 2013View details →

FIGURE 2. Nepenthes cid A in The Nepenthes micramphora (Nepenthaceae) group, with two new species from Mindanao, Philippines

FIGURE 2. Nepenthes cid A habit, showing the whole plant, with woody rootstock; B lower surface of leaf-blade showing simple hairs and sessile globose glands; C stem, showing hairs; D tendril, showing hairs; E detail of D showing individual 'dagger hairs'; F outer surface of pitcher showing minute stellate hairs; G lower surface of pitcher lid; H nectar glands from midline of lid; I nectar glands from near periphery of lid; J peristome, viewed from above; L & K peristome, after dissection, rolled back to expose inner edge with holes (normally concealed); M peristome, transverse section, outer edge to right; N junction of lid and peristome, with spur. Scalebars: single = 1 mm; graduated single = 2 mm; double = 1 cm; graduated double = 5 cm (drawn by A Brown from the type specimen).