Names and types of Bornean Hoya 
55 
Hoya opposita (Vahl) G.Don, Gen. Hist. 4: 128 (1838); Veldkamp et al., Blumea 40: 
427 (1995). -Sperlingia opposita Vahl, Skr. Naturhist.-Selsk. 6: 114 (1810). - TYPE: 
Flohr in Hb. Vahl ‘ex Ind. Orient.’ (lectotype C [Cl0006734], designated by Veldkamp 
et al. (1995)). 
Hoya ridleyi King & Gamble, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 74(2): 575 (1908); 
Rintz, Malayan Nat. J. 30: 514 (1978). - TYPE: Singapore, Grange Road, Ridley, H.N. 
10358 (lectotype SING [SING0047800], designated here; isolectotype K, a dissection 
by Gamble). 
Hoya parasitica Wight var. geoffrayi Costantin in Lecomte, FI. Indo-Chine 4: 136 
(1912); Veldkamp et al., Blumea 40: 427 (1995). - TYPE: Cambodia, Campot, 7 
April 1904, Geoffray, M 382 (lectotype P [P00639824], designated by Veldkamp et 
al. (1995)). 
Hoya parasitica Wight var. spirei Costantin in Lecomte, FI. Indo-Chine 4: 136 (1912); 
Veldkamp et al., Blumea 40: 427 (1995). - TYPE: Laos, Luang Prabang, Dok Than, 
s.d., Spire 1529 (lectotype P [P00639823], designated by Veldkamp et al. (1995)). 
Hoya balansae Costantin in Lecomte, FI. Indo-Chine 4: 136 (1912). - TYPE: 
Vietnam, Ha Long Bay, on limestone rocks, 3 July 1885, Balansa, B. 598 (lectotype P 
[P00645997], designated here). 
Hoya globiflora Ridl., J. Fed. Malay States Mus. 5: 164 (1915); Rintz, Malayan Nat. 
J. 30: 514 (1978) (as ‘ globifera’): ; Veldkamp et al., Blumea 40: 427 (1995). - TYPE: 
Thailand, Surat Thani, Robinson, H.C. 5756 (lectotype SING, designated by Veldkamp 
et al. (1995) not found; lectotype K, designated here). 
Hoya obscurinervia Merr., Philipp. J. Sci. 23: 263 (1923). - TYPE: China, Hainan, 
San Tsuen, near Nodoa and Loh Hoe, 15 April 1922, McClure, F.A. 9819 (lectotype A 
[A00076421], designated here; isolectotype IBSC). 
Hoya amoena Bakh.f., Blumea 6: 380 (1950) - TYPE: Indonesia, Java, East Java, 
Beoeki, Poeger, 19 October 1895, Koorders, S.H. 20341 (holotype L [L004312]). 
Hoya recurvula Kloppenb., Fraterna 13(4): 9 (2000). - TYPE: Originally from 
Malaysia? [Southern Malaysia], cultivated in USA, California, Fresno, vouchered in 
2000 as Kloppenburg, RD. 81009 (holotype UC [UC1746636]). 
Hoya wibergiae Kloppenb., Fraterna 14(1): 5 (2001). - TYPE: Originally from 
Philippines, Palawan, Estrella waterfall area, cultivated in USA, California, Fresno, 
vouchered in 2000 as Kloppenburg, RD. 951074 (holotype UC [UC 1746635]). 
Hoya ubudensis Kloppenb. & Yap, Asklepios 108: 7 (2010). - TYPE: Originally from 
Indonesia, Bali, Ubud, Tjampuhan, cultivated in Singapore, vouchered on 26 January 
2008 as Toy, A. & Yap, K.F., BAL050208 (holotype SING [SING0143934]). 
