Hoya dickasoniana P.T. Li.

            Hoya dickasoniana O. T. Lim sp. nov. Type: Mayanmar, Mogok, 1800 m., April 1934, F. G. Dickason 3032 (Holotype, A)

            Frutex epiphyticus: ramulis pubescentibus; folia opposita etiam 3-vel 4- verticillata, elliptica vel ovata, 9 – 19 mm x 5 – 10 mm, basi late cuneata vel rotundata, apice obtusa, glabra; petiolo 1 mm. longo; umbellea terminates, 3 – 6 florae; pedicelli 1 cm. longi, pubescenti; segmentis calycinis oblongis, 2 – 2.5 mm x 1 mm, pubescentibus; corolla  alba, ca. 1.7 cm diam., tubo basi pubescenti, lobis ovato-deltatis, ca, 5 mm x 5 mm; corona 5 – lobata, carnosa, ovato-oblonga, ca. 2.5 mm longa, marginibus revolutus; polliniis oblongis, ca, 1 mm longis, erectis, margine pellucido.

Translation: Epiphytic shrub, branches pubescent, leaves opposite even 3 or 4, elliptic or ovate, 9 – 19 mm. x 5 – 10 mm, base broad cuneate  or rounded, apex obtuse, glabrous; petiole 1 mm. long; umbels terminal 3-6 flowers, pedicels 1 cm. long, pubescent, calyx segments oblong 2 – 2.5 mm. x 1 mm. pubescent; corolla white about 1.7 cm in diameter, tube 4 mm. long, outside glabrous, inside at the base pubescent, lobes ovate-deltoid (triangular) about 5 mm. x 5 mm.; corona 5 lobed, fleshy, ovate-oblong about 2.5 mm. long, margins revolute; pollinia oblong about 1 mm, long, erect, margins pellucid.

            Hoya dickasoniana which is so far known from the type collection, is most closely related to H. imbricata Callery ex A. Dc. It is readily distinguished by its opposite and whorled, elliptic or ovate leaves and pubescent branches, peduncles and pedicels.

From Chris Burton sent via e-mail from Mark Randal July 2007