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Family Asclepiadaceae
Paui-pauikan
Hoya imbricata Decne

Scientific names Common names
Collyris major Naves Paui-pauikan (Tag.)
Hoya imbricata Decne  
Hoya maxima (Karst.) Warb.  
Hoya pseudomaxima Koord.  

Botany
Paui-pauikan is a smooth, epiphytic, woody vine climbing or cleaving to tree trunks. Stems are wiry and form rootlets. Leaves are broadly ovate or rounded, 6 to 12 centimeters wide, heart-shaped at the base, rounded at the tip, somewhat leathery and rigid, and reddish-purple; the upper surface is convex and smooth, the lower surface concave, hairy and inhabited by ants. Inflorescences are borne on leafless stems, almost stalkless, with many small, odorless, velvety and creamy-white flowers, 8 to 10 millimeters in diameter. Corolla-lobes are very slender, pointed, reflexed, smooth on the outside, and hairy within.

Succulent leaves have the appearance of waterlily pads, and are like upturned dinner plates, convex on the inner surface, hugging tree trunks on which the plant grows. Plant provides a network of roots beneath each leaf, exploiting nutrients from the presence of ant colonies. (2)

Distribution
- Found on tree trunks at low and medium altitudes in Bontoc, Rizal and Laguna Provinces; and in Busuanga.
- Occurs throughout tropical Asia.

Parts used
Leaves.

Uses

Folkloric
- Leaves applied externally as a poultice to ripen boils.
- A mixture of burned and charred leaves - triturated, mixed with coconut oil and stirred thoroughly - is applied to old wounds or varicose ulcers ("bangkukang") for rapid cicatrization.

Studies
No studies found.


Availability
Wild-crafted.

Last Update December 2013

IMAGE SOURCE: / Photograph / Plant of the Month Hoya Imbricata by Bruce Brethauer / © photo by Merlin Sy / click on phot to go to source page / COLUMBUS-CACTUS-CLUB
OTHER IMAGE SOURCE: / File:Hoya imbricata01.jpg / http://www.botanicus.org/page/699485# Philippine Journal of Science vol15 (1919)
Sijfert Hendrik Koorders (1863-1919) / 1919 / Public Domain / Wikipedia
Additional Sources and Suggested Readings
(1)
Plant of the Month / Hoya Imbricata / by Bruce Brethauer / Columbus-Cactus-Club
(2)
Hoya imbricata / Wikipedia

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