Hoya phuwuaensis Kidyoo

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Scientific name

Hoya phuwuaensis
Kidyoo

Clade/Class

Mesangiosperms

Group

Spermatophytes

Family

Apocynaceae

Genus

Hoya

Clade/Subclass

Asterids

Order

Gentianales

Sub Family

Asclepiadoideae

Tribe

_

Climbing epiphyte of about 2 m long. Latex yellowish white in all vegetative parts. Leaves elliptic, thick, coriaceous, entire to slightly undulate; adaxial surface dark green with irregular white blotches, scabrous-strigose, abaxial surface pale green with scattered strigose hairs; apex acute to acuminate, base cuneate
to acute with a small ovate to oblong colleter. Inflorescences extra-axillary, 18–20-flowered; flower buds pentagonal shaped. Sepals greenish, ovate-lanceolate, apex acute, scabrous, adaxial surface with an ovate basal colleter between lobes. Corolla rotate, creamy to yellowish white; adaxial surface densely pubescent with long straight hairs along the margins of the lobes; lobes reflexed, revolute, ovate, apex acuminate. Corona purple red. Pistil two distinct ovaries glabrous. Follicles linear-lanceolate in outline, pale green with scattered reddish brown spots. Seeds narrowly oblong, with a single coma of silky white hairs .

Habitat

in sun-exposed areas in mixed deciduous forest at about 200 m elevation.

Locality

Phu Wua Wildlife Sanctuary, Bueng Kan Province

Date of collection

12/09/2008

Type specimen

M. Kidyoo 1035 (holotype BKF,isotype BCU)