Hoya dickasoniana P.T.Li - A New Record of Medicinal Plant Species for VietNam

Nguyen Hoang Tuan1*, Nguyen Van Canh2
1Department of Pharmacognosy, Hanoi University of Pharmacy, 13-15, Le Thanh Tong str., Hoan Kiem district, Hanoi, Vietnam.
 23/12/3 Vo Van Kiet street, Buon Ma Thuot city, DakLak province, Viet Nam
Though survey on medicial plant resources in Da Nhim commune, Lac Duong district, Lam Dong province, Hoya dickasoniana P.T.Li was recorded as a new species in flora of Vietnam. Hoya dickasoniana P.T.Li was characterized by at least some leaves in whorls of 3 or 4, base broadly cuneate or rounded, apex obtuse; calyx with basal glands inside. Hoya dickasoniana P.T.Li was also used in folk medicine as the others in genus Hoya.
Keywords: Hoya dickasoniana, newly recorded species, flora of Vietnam.

Soure: Journal of Medicinal Materials, 2017, Vol. 22, No. 3, page 189-192

Hoya dickasoniana
Figure 1: Hoya dickasoniana P.T.Li 
A: upper portion of flowering shoot; B: inflorescence, adaxial view; C: inflorescence, abaxial view; D: bracts; E: flowers, view from the top and side views; F: flower without corona; G: corona (crown), view from the top and from beneath; H: corona, side view; I: corona lobe; J: flower, longitudinal section;  K: calyx and ovaries, side view; L: calyx and ovaries, top view; M: bracts; N: latex; O: leaf, view from above, view from below; P: trunk sections; Q: pollinarium;  R: the relationship between the parts of the plant (Photo and design by Nguyen Hoang Tuan).

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