Distribution Map
Description (Barlow 1974)
Sogerianthe sogerensis (Moore) Dans. Verh. Akad. Wet. Amst. afd. Natuurk. 29: 106 (1933); Bull. Jard. bot. Buitenz. 14: 95 (1936); Blumea 3: 52 (1938); Elytranthe sogerensis Moore, J. Bot. 61: suppl. p. 44 (1923); Amyema sogerensis (Moore) Dans. Bull. Jard. hot. Buitenz. 10: 299 (1929); 11: 346, illus. Fig. 12, g-k (1931); Loranthus sogerensis (Moore) Engl. & Krause, Pfl. Fam.ed. 2 16b: 163 (1935). Type-New Guinea, Mt. Woriwori, 1500 in alt., Forbes 715, 1885-1886 (BM, holotype, not seen; L 908141 1777).
Glabrous or the pedicel, bracts, calyx and rarely the corolla sparsely and shortly tomentose. Petiole more or less winged, 05-1 cm long; lamina elliptical to ovate, 5-12 by 3-7 cm, attenuate or contracted at the base, more or less acuminate, acute to shortly rounded at the apex. Inflorescences several to many at the nodes; 'pedicel' 4-7 mm long, articulate above the middle; bracts 3, usually with 2 of these partly or completely fused (when there are apparently only 2 bracts) and slightly imbricate with the third, acute, 1-1.5 mm long. Calyx cylindrical, 2 mm long; limb mem-branous, erect, 1-1.5 mm long. Corolla in the mature bud inflated in the middle, clavate and truncate at the apex, 25-35-(45) mm long; petals in the open flower gamopetalous to about the middle. Anthers 3-4 mm long, about equal to the free parts of the filaments. Fruit ellipsoidal to nearly globular, c. 8 mm long, crowned by the persistent calyx limb. (Fig. 7, d, e.) Chromosome Number. n = 9 (Barlow and Wiens 1971). Voucher: Barlow 974, see below.
Occurrence. Eastern New Guinea, from the Herzog Range south-eastwards (Fig. 8), 15 to 1950 in altitude, but mostly between 500 and 1500 in.
Representative Specimens.
EASTERN NEW GUINEA: Wagau, 1200 m alt., Womersley
NGF 19326, 16.vi.1964 (CANB; LAE); Sogeri Plateau, Barlow
974, 20.ii.1965 (AD; BRIU; LAE); Mon R., Abau Subdist., 15
m alt., Sayers NGF 19665, 22.iv.1964 (CANB).
Illustrations
Sogerianthe sogerensis. A - flowering twig. B - flower. C - lower part of corolla opened out. D - calyx with style. From Barlow (1981).
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S. sogerensis. 4. note flower zone. Kanis 1093, L. 5. Same, Showing split second bract. Forbes 715, L. 6. Same, showing two views of the common 2-lobed condition of the second bract. Barlow 974, L. 8. Same, views from above of bracts of Fig. 4 (above) and 5 (below). From Kuijt (1981). |
Sogerianthe sogerensis. A - node with inflorescence. B - flower. From Barlow (1974). |
Photographs
Close-up of flowers [DLN 4481]. Maric trail near Wagau Village, Papua New Guinea. Photo by Dan Nickrent.
Sogerianthe sogerensis. Angapena, E of Aseki, Morobe District, Papua New Guinea. [DLN 4496]. Photo by Dan Nickrent.
Same as above, close-up of flowers. Photo by Dan Nickrent.
Same as above, showing developing fruit. Photo by Dan Nickrent.
Sogerianthe sogerensis
updated 20 January 2007
