Nomenclature
Accepted name/Authority/Place of publication:
Argyreialuzonensis(Hallier f.) Ooststr., Blumea 5 (1943) 379.
Synonyms:
Rivea luzonensis Hallierf., Bull. Herb. Boiss. 6 (1898) 714.
Rivea glabrata Elmer, Leafl. Philip.Bot. 1 (1908) 334.
Description
Habit:
Stems twining, terete, in dry state longitudinally wrinkled, sparsely appressed-pilose, greyish-brown.
Leaves:
Leaves broadly to narrowly ovate, or oblong, 7-18 by 3½-13 cm, truncate or subcordate at the base, attenuate or acuminate at the apex, glabrous above, or with some scattered hairs, sparsely pilose with appressed hairs beneath; nerves 6-7 on either side of midrib; minor nervation reticulate with subparallel secondary veins; petiole 1½-4(- 8) cm, sparsely appressed-pilose.
Inflorescences:
Peduncles axillary, slender, 7-20 cm, sparsely appressed-pilose, or more densely so towards the apex, cymosely branched at the apex, with many (rarely few) flowers in an umbellate cyme. Pedice1s 1-2 mm, densely appressed-pubescent. Bracts lanceolate to narrowly oblong, obtuse, 3-7 mm long, appressed-pubescent outside, caducous.
Flowers:
Sepals equal in length or outer ones a little shorter, ovate-oblong, obtuse, sometimes acutish, ca 5-6 mm long, densely greyish or whitish appressed-pilose outside; sepal 3 with one thin glabrous margin; two inner sepals with two thin glabrous margins. Corolla funnel-shaped, ca 2½-3 cm long, reddish; limb distinctly 5-lobed, ca 4 cm diam.; lobes ovate, midpetaline bands appressed-sericeous, their tips penicillate, tube and margins of lobes glabrous. Filaments glandular-papillose. Ovary glabrous, 2-celled.
Fruits:
Fruit globose, ca 1 cm or slightly more in diam., purple or pinkish red; sepals slightly enlarged in fruit, inner ones with red margins; fruiting pedicels up to 8 mm, but often shorter; seed 1, globose.
References:
Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.
Biogeography, Ecology and Natural History
Distribution:
Philippines (Luzon).
Ecology:
Common in thickets and forests,
especially along mountain streams at low and medium altitudes, ascending to
1500 m.
References:
Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.
Other information
Common names and uses:
Use. The stems are used for tying purposes.
Vern. Busilád, sabaltukon, Tag., deno(k)dokto, Ig., tauid-tauid, Neg., Philippino wire, E.
Authorship for webpage
Editor:
Esmond Er
Contributors:
Classification:
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