Hoya of Papuasia I. 
115 
Additional specimens examined. PAPUANEW GUINEA: Morobe Province: Finisterre Range, 
Yawan, 1713 m, 1 Apr 2011, Simons son Juhonewe, N., & Juhonewe, F. NS0008H (LAE), (living 
accession NS11-212); Finisterre Range, Yawan, 1740 m, 1 Apr 2011, Simonsson Juhonewe, N., 
& Juhonewe, F. NS0009H (LAE) (living accession NS 11-218); Finisterre Range, Yawan, 1800 
m, 1 Apr 2011, Simonsson Juhonewe, N., & Juhonewe, F. NS0010H (LAE) (living accession 
NS11-226); cultivated plant grown on from Finisterre Range, Yawan, 1713 m, living accession 
NS 11-212, vouchered at Ukarumpa on 21 Jun 2012 as Simonsson Juhonewe, N. & Juhonewe F. 
NS0038L (LAE, SING); cultivated plant grown on from Finisterre Range, Yawan, 1740 m, living 
accession NS11-218, vouchered at Ukarumpa on 21 Jun 2012 as Simonsson Juhonewe N. & 
Juhonewe, F. NS0039L (LAE, SING); cultivated plant grown on from Finisterre Range, Yawan, 
1800 m, living accession NS 11-224, vouchered at Ukarumpa on 21 Jun 2012 as Simonsson 
Juhonewe, N. & Juhonewe, F. NS0040L (LAE); Huon Peninsula, Hoboc, 1830 m, 24 Dec 
2011, Simonsson Juhonewe, N. & Juhonewe, F. NS0015H (LAE) (living accession NS 11-333); 
cultivated plant grown on from Huon Peninsula, Hoboc, 1450 m, living accession NS11-245, 
vouchered at Ukarumpa on 8 Jun 2012 as Simonsson Juhonewe, N. & Juhonewe, F. NS0035L 
(LAE); Waria Valley, Saureli, 1700 m, 1 Mar 2012, Simonsson Juhonewe, N., Juhonewe, F., 
Allison, A. & James, S. NS0022H (LAE) (living accession NS 12-096); cultivated grown on 
from Waria Valley, Saureli, 1700 m, living accession NS 12-103, vouchered at Ukarumpa on 21 
Jun 2012 as Simonsson Juhonewe, N. & Juhonewe, F. NS0041L (LAE, SING). 
Notes. This new species is morphologically similar to the as yet unresolved Hoya 
ischnopus complex, but is easily distinguished by the raised, conspicuous reticulate 
secondary veins on the leaves, especially when young, which makes it easy to identify 
even when not in flower. The venation of the leaves is most raised and reticulate in the 
populations from the middle of Finisterre and Saruwaged ranges, and less raised in the 
populations from the area where the Central Range meets the Owen Stanley Range. 
Also its pedicels are more slender, bearing flowers 16-22 mm in diameter, and the 
corona lobes are ovate-elliptic with rounded to obtuse (rarefy acute) outer processes. 
Species in the Hoya ischnopus- complex have plain leaves lacking the raised venation, 
stiffer peduncles, flowers < 1.5 cm in diameter, and the corona lobes are rhomboid with 
acute outer processes. Hoya edholmiana is only found above 1400 m while species in 
the Hoya ischnopus complex can be found from sea level to 1400 m. 
Hoya evelinae Simonsson & Rodda, sp. nov. 
Similar to Hoya epedunculata Schltr. in having much reduced peduncles, but differs in 
having peduncles along climbing stems, leaves < 8 cm and (narrowly) elliptic corona 
lobes, while H. epedunculata has terminal peduncles, leaves > 8 cm in length and 
obovate corona lobes. - TYPE: Papua New Guinea, Chimbu-Gulf Province, Crater 
Mt. Wildlife Management Area, near junction between Wara O and Pio River. 440- 
460 m, 30 March 1997, Takeuchi, W. 11941 (holotype A; isotypes K [K000224390], 
L, LAE, US). (Fig. 10, 11) 
Epiphytic climber with white latex in all vegetative parts, glabrous. Stems up to 5 
m long, cylindrical, 1-3 mm in diameter, green; older stems lignified, up to 5 mm in 
diameter, greyish brown, internodes 2—10(—25) cm long. Adventitious roots sparsely 
