Quercus camusiae Trel. ex Hickel & A.Camus, 1929

Binh, Hoang Thi, Ngoc, Nguyen Van, Tagane, Shuichiro, Toyama, Hironori, Mase, Keiko, Mitsuyuki, Chika, Strijk, Joeri Sergej, Suyama, Yoshihisa & Yahara, Tetsukazu, 2018, A taxonomic study of Quercus langbianensis complex based on morphology and DNA barcodes of classic and next generation sequences, PhytoKeys 95, pp. 37-70 : 55-57

Quercus camusiae Trel. ex Hickel & A.Camus Fig. 10

Quercus camusiae Trel. ex Hickel & A.Camus, Fl. Indo-Chine 5: 957 (1929). Quercus geminata Hickel & A.Camus, Bull. Mus. Natl. Hist. Nat.: 599 (1923), nom. illegit. Cyclobalanopsis camusiae (Trel. ex Hickel & A.Camus) Y.C.Hsu & H.W.Jen, J. Beijing Forest. Univ. 15(4): 44 (1993).

Type.

VIETNAM. Annam [Trung Ky]: ‘‘ Pres de Nha-trang, massif de Honba, ’’ 1,000-1,500 m, 18-20 Sep. 1918, A. Chevalier 38650 (lectotype: P [P00379252!]; isolectotype: P [P00379253!], designated here) .

Distribution and habitat.

VIETNAM. Khanh Hoa Province: Hon Ba Nature Reserve. Quercus camusiae was found on slope of lower montane evergreen forest at 995 m, 1336 m and 1498 m altitude.

Additional specimens examined.

VIETNAM. Khanh Hoa Province, Hon Ba Nature Reserve , 12°07'08.64"N, 108°56'51.99"E, alt. 1,498 m, 18 July 2013, Tagane S., Yahara T., Nagamasu H., Fuse K., Toyama H., Tran H., Son VD. V290 (FU, the herbarium of Hon Ba NR, VNM); 12°07'10.02"N, 108°56'51.71"E, alt. 995 m, 19 July 2013, Tagane S., Yahara T., Nagamasu H., Fuse K., Toyama H., Tran H., Son VD. V342 [young fr.] (FU, the herbarium of Hon Ba NR, VNM); 12°07'11.42"N, 108°57'25.76"E, alt. 1336 m, 25 Nov. 2014, Toyama H., Tagane S., Dang VS., Nagamasu H., Naiki A., Tran H., Yang CJ. V2173 (FU, VNM, the herbarium of Hon Ba Nature Reserve ) .

Note.

Quercus camusiae Trel. ex Hickel & A.Camus was described by Hickel and Camus (1929) based on a specimen collected by A. Chevalier from Vietnam ("An nam: Pres de Nha-trang, massif de Honba") to replace the name Q. geminate Hickel & Camus (1923) without any collection number. Later, Camus (1938) cited specimen Chevalier 38650 from Vietnam as the type specimen of Q. camusiae . Two specimens of Chevalier 38650 were found in P comprising [P00379252] and [P00379253], between which only one specimen [P00379252] represents the diagnostic traits of nuts and cupules. Thus, specimen [P00379252] was selected as the lectotype of Q. camusiae .

Figures

Figure 10. Quercus camusiae Trel. ex Hickel & A. Camus. A Branch with young fruit, B. Infructescence and young fruits C, D Abaxial side of young and mature leaf, E. Dried specimen. Materials: A-D from Tagane et al. V 342 E from Toyama et al. V 2173.