Species Descriptions

Argyreia robinsonii

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
General comments:

The type of this species isunknown to me (e.g., Ooststroom). The specimens Bangham 840 and 1134 fromN. Sumatra, mentioned by Merrill (Contr. Arn. Arb. 8, 1934, 145) asconspecific, belong to A. erispa Ooststr.

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Sumatra (W. Coast).

Ecology:

At 900 m.

Editor:
Esmond Er
Flowers:
Sepals oblong, truncate, 4 mm long, glabrous. Corolla with a short, glabrous, campanulate, 8 mm long tube; the lobes sericeous outside, glabrous inside, white to purple, reflexed and oblong. Stamens long exserted, filaments filiform, anthers oblong; style slightly shorter than the stamens, stigma capitate (RIDLEY).
Habit:
A twiner with appressed-hairy stems.
Inflorescences:
Peduncles 4-18 cm long, hairy. Cymes lax, many-flowered, 1-4 cm long. Pedicels 5 mm long. Bracts minute, ovate, acute.
Accepted name/Authority/Place of publication:

Argyreiarobinsonii(Ridley) Ooststr., Blumea 5 (1943)381.

Leaves:
Leaves lanceolate to ovate, 6-12 by 2½-7½ cm, rounded or obtuse at the base, subacute at the apex, thinly coriaceous, glabrous above, appressed-hairy beneath; lateral nerves 8 on either side of the midrib, prominent beneath; petiole 1-8 cm, hairy.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Synonyms:

Lettsomia robinsonii Ridley, J. Fed. Mal.Stat. Mus. 8, 4 (1917) 65.

Thu, 2012-05-31 08:20 -- Esmond
Argyreia samarensis

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Philippines (Samar).

Editor:
Esmond Er
Flowers:
Two outer sepals elliptic, obtuse, 9 mm long, hirsute outside; sepal 3 orbicular with rounded apex, 8 mm long, hirsute, with one glabrous margin; two inner sepals orbicular, rounded to slightly emarginate, 8 mm long, hirsute, with two glabrous margins.
Fruits:
Fruit ellipsoid or ovoid, ea 18 mm long; seed 1, ellipsoid, ea 15 mm long.
Habit:
Stems twining; young parts hirsute, glabrescent, pale fulvous.
Inflorescences:
Fruiting peduncles axillary, 4-10 cm long, hirsute, cymosely branched at the apex, bearing 3-8 fruits. Bracts caducous. Fruiting pedicels 5-10 mm long, hirsute, thickened above.
Accepted name/Authority/Place of publication:

ArgyreiasamarensisOoststr., Blumea 6 (1950) 347.

Leaves:
Leaves broadly to narrowly ovate, (5-)9-14 by (2½-)4-9 cm, base broadly rounded to subcordate, apex acute or slightly acumtnate; sparsely hirsute on both sides; midrib and 8-11 nerves on either side slightly prominent beneath; petiole much shorter than blade, 2-5 cm, hirsute.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Thu, 2012-05-31 08:16 -- Esmond
Argyreia paucinervia

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Philippines (Luzon).

Ecology:

Forest slopes, ca 1000 m.

Editor:
Esmond Er
Flowers:
Sepals equal in length, ca 6-7 mm long; three outer ones ovate, obtusish at the apex; two inner ones broadly ovate, obtuse to emarginate or irregularly dentate at the apex, all sparsely appressed-hairy in the middle portion, or glabrous.
Fruits:
Fruit globose, ca 1 cm diam., red
Habit:
Stems twining, Young parts appressed-pilose, soon glabrous, pale fulvous or greyish.
Inflorescences:
Fruiting peduncles in the upper leaf-axils, 2-3 cm long, with some appressed hairs, glabrescent, cymosely branched at the apex, with divaricate branches and 3-5 fruits. Bracts linear or narrowly spathulate, obtuse, 20-25 mm long (these bracts not inserted at the base of the branches of the cyme, but at the base of the pedicels). Fruiting pedicels 2-4 mm long.
Accepted name/Authority/Place of publication:

ArgyreiapaucinerviaOoststr., Blumea 6 (1950) 347.

Leaves:
Leaves oblong or narrowly oblong to lanceolate, 10-16 by 2-4 cm, acutely attenuate to cuneate at the base, gradually attenuare towards the obtusish apex, in youth very sparsely pilose beneath with short, appressed hairs, afterwards glabrous; glabrous above; midrib and 3-4 nerves on either side rather flat above and beneath; nerves ascending at sharp angles; petiole 1-2½ cm, with some short, appressed hairs, or glabrous.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Seeds:
seed 1, globose.

Thu, 2012-05-31 08:13 -- Esmond
Argyreia crispa

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Sumatra.

Ecology:

Edges of, and in, first growth jungle,
1000–1200 m.

Editor:
Esmond Er
Flowers:
Fruiting sepals unequal; three outer ones ovate, obtuse, ca 10 mm long, pilose outside, glabrous inside with strongly crisped margins; two inner sepals ovate-oblong, obtuse, ca 8-9 mm long, flat or slightly concave, outside pilose in the middle portion, and with broad glabrous margins.
Fruits:
Fruit ellipsoid, 12- 14 mm long, purplish-red; seed 1, ellipsoid.
Habit:
Stems twining, densely pilose with short, subpatent hairs as are the petioles and the inflorescences. Branches terete or subangular towards the apex.
Inflorescences:
Fruiting peduncles 8-22 cm long, terete, corymbosely branched at the apex. Pedicels 3-5 mm. Bracts caducous.
Accepted name/Authority/Place of publication:

ArgyreiacrispaOoststr., Blumea 7 (1952) 172.

Leaves:
Leaves ovate to ovate-oblong, 8-13 by 4-8 cm, subcordate at the base, acute or obtusish at the apex, glabrous above, pilose beneath, mainly on the nerves; midrib flat above or slightly impressed prominent beneath, 5-7 nerves on either side prominulous beneath, minor nervation indistinct petiole 2-6 cm, terete at the base, more or less flattened towards the apex.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Thu, 2012-05-31 08:06 -- Esmond
Argyreia celebica

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Common names and uses:
Kunit, pahanap, Manado.
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Celebes.

Ecology:

In primary forests and in
clearings, 500- 1000 m.

Editor:
Esmond Er
Flowers:
Sepals below the fruit broadly ovate-triangular or semi-orbicular, equal, ca 3-4 mm long, appressed-pilose outside, the reddish margins of sepals 3 and 4 excepted.
Fruits:
Fruits often nodding, ellipsoid, up, to 1¼ cm long (mature?), red; seed 1, ellipsoid.
Habit:
Stems twining, 15-25 m high; branches terete, greyish brown, glabrous.
Inflorescences:
Peduncles straight or slightly curved, 2½- 9 cm, glabrous, with 2-4, sometimes with more fruits at the apex. Fruiting pedicels up to 10 mm long, slightly angular or sulcate, thickened and often curved towards the apex.
Accepted name/Authority/Place of publication:

ArgyreiacelebicaOoststr., Blumea 5 (1943) 377.

Leaves:
Leaves oblong-lanceolate to narrowly ovate-oblong, 7-14 by 3-5½ cm; rounded or shortly attenuate at the base; gradually attenuate towards the acutish apex, glabrous on both sides; midrib prominent beneath, nerves 6- 7 on either side prominent beneath, curved; minor nervation indistinct; petiole 1½-4½ cm, glabrous.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Thu, 2012-05-31 07:59 -- Esmond
Argyreia congesta

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Borneo (Sabah).

Editor:
Esmond Er
Flowers:
Sepals concave, elliptic-oblong, obtuse; two outer ones ca 8 mm long, outside pilose like the bracts, inside glabrous; sepal 3 sligntly oblique, ca 7 mm long, outside pilose with one glabrous margin; two inner sepals ca 6½ mm long, nearly glabrous. Corolla deeply 5-fid, pink, the lobes with white tips; tube ca 5 mm long, glabrous; lobes linear, ca 17 mm long, densely hairy outside, with 2 glabrous lobules at the apex. Filaments inserted at the mouth of the tube, glabrous. Ovary glabrous, 2-celled.
Fruits:
Fruit unknown.
Habit:
Stems twining, densely appressed-pilose to tomentose, with fulvous hairs.
Inflorescences:
Peduncles axillary, terete, rather slender, 4-10 cm, densely pilose; flowers in a small, dense, more or less capitates cyme; branches of cyme very short. Pedicels 2-4 mm. Bracts subpersistent, broadly obovate, rounded to truncate at the apex, ca 10-12 mm long, densely appressed-pilose outside, glabrous inside.
Accepted name/Authority/Place of publication:

ArgyreiacongestaOoststr., Blumea 7 (1952) 176.

Leaves:
Leaves narrowly ovate or ovate, 8-17 by 3½-9 cm, rounded at the base, attenuate towards the acute or acuminate apex; lower surface densely appressed-pilose with straight or slightly curved hairs, or almost tomentose in youth, upper surface less densely hairy with more rigid hairs; midrib and 8-10 nerves on either side distinctly visible on both sides; petiole 3-8 cm, grooved, pilose like the stem.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Thu, 2012-05-31 07:44 -- Esmond
Argyreia apoensis

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
General comments:

Closely related to A. barnesiiand possibly only a variety of that species.

Common names and uses:
Dalumosip, Bag .
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Philippines (Mindanao).

Ecology:

In forests, ca 450 m,
forming dense tangled masses.

Editor:
Esmond Er
Flowers:
Sepals nearly equal in length, ca 6½ mm long, densely appressed-pilose outside; 2 outer ones elliptic-oblong, obtuse, mucronulate; sepal 3 broader, with one glabrous margin; two inner sepals broadly ovate to orbicular, with two glabrous margins. Corolla 5-parted, whitish outside, purplish or violaceous inside; tube ca 11 mm long, glabrous; lobes linear, recurved and twisted, ca 24 by 3 mm; midpetaline bands sericeous outside towards the apex, and there with two glabrous wings. Filaments with slightly dilated, thick, papillose base. Ovary glabrous, 2-celled.
Fruits:
Fruit unknown.
Habit:
Stems twining, sparsely appressed-pilose, glabrescent.
Inflorescences:
Peduncles in the upper leaf-axils, up to 9 cm long, appressed-pilose towards their apex with yellowish- grey hairs; cymes umbellate, few-flowered. Pedicels 2-4 mm, rather densely appressed-pilose. Bracts 8-12 mm long, linear to filiform, with a narrow acumen, hairy beneath, glabrous above.
Accepted name/Authority/Place of publication:

Argyreiaapoensis(Elmer) Ooststr., Blumea 6 (1950) 344.

Leaves:
Leaves ovate, 6-10 by 3½-6 cm, base truncate or slightly cordate, apex acute to acuminate, upper surface glabrous, lower appressed- pilose, especially along the nerves; nerves 6-8 on either side of midrib; petiole 2- 3 cm, appressed-pilose.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Synonyms:

Rivea apoensis Elmer, Leafl.Philip. Bot. 7 (1915) 2604.

Thu, 2012-05-31 07:23 -- Esmond
Argyreia barnesii var. urdanetensis

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Common names and uses:
Cawilan, kaulilan, Man .
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Philippines (Mindanao).

Ecology:

In forests, 600 m.

Editor:
Esmond Er
Flowers:
Sepals nearly equal in length, 5 mm long; two outer ones ovate to broadly elliptic, obtuse or mucronulate, pubescent to tomentose outside; sepal 3 broadly elliptic to orbicular, obtuse or truncate, with one glabrous margin; two inner sepals orbicular, emarginate, with two glabrous margins. Corolla 5-parted, lavender; lobes linear, ca 20 by 3-4 mm, glabrous in their basal portion, at the apex with 2 triangular glabrous lobules; tube ca 9 mm long, glabrous. Filaments with a tooth above the base, glabrous. Ovary glabrous, 2-celled.
Fruits:
Fruit ellipsoid, up to 1½(-2) cm long, purple, at the base enclosed by the slightly enlarged sepals.
Habit:
Stems twining, terete, young parts densely pubescent to tomentose, adult parts glabrescent.
Inflorescences:
Peduncles axillary, 2- 14 cm long, one to many-flowered, pubescent like the stem. Pedicels much shorter than or nearly as long as the sepals, elongated in fruit. Bracts narrower, linear, with a long and linear to filiform acumen, lower ones ca 1-2 cm long, pubescent on both sides.
Accepted name/Authority/Place of publication:

Argyreia barnesii var. urdanetensis (Elmer) Ooststr., Blumea 6 (1950) 344.-

Leaves:
Leaves ovate-oblong, ovate or broadly ovate, 6-18 by 3½-13 cm, rounded or cordate at the base, shortly to long-acuminate or caudate and mucronulate at the apex, more or less densely and softly pilose to tomentose on both sides, sometimes nearly glabrous above; nerves 7-9(-12) on either side of the midrib; petiole 2-5 cm, densely pubescent.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Seeds:
seed 1, ellipsoid, 1 cm long.
Synonyms:

Riveaurdanetensis Elmer,Leafl. Philip. Bot. 7 (1915) 2605.

Thu, 2012-05-31 04:48 -- Esmond
Argyreia barnesii

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
General comments:

The density of the indumentum isextremely variable in this species; the leaves are densely tomentose on bothsurfaces or much less pilose to glabrous above and sparsely pilose beneath; thesame is found in the density of the indumentum on stems and inflorescences.

Common names and uses:
The stems are used for tying purposes. Quahal, guahal, Ig .
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Philippines (Luzon, Mindoro, GuimarasIsl., Samar, Leyte, Mindanao).

Ecology:

In forests at low and medium
altitudes forming tangled masses over the tops of trees and larger shrubs.

Editor:
Esmond Er
Flowers:
Sepals nearly equal in length, 7-8 mm long; two outer ones ovate to broadly elliptic, obtuse or mucronulate, pubescent to tomentose outside; sepal 3 broadly elliptic to orbicular, obtuse or truncate, with one glabrous margin; two inner sepals orbicular, emarginate, with two glabrous margins. Corolla 5-parted, lavender; lobes linear, ca 20 by 3-4 mm, densely sericeous outside towards the base, at the apex with 2 triangular glabrous lobules; tube ca 9 mm long, glabrous. Filaments with a tooth above the base, glabrous. Ovary glabrous, 2-celled.
Fruits:
Fruit ellipsoid, up to 1½(-2) cm long, purple, at the base enclosed by the slightly enlarged sepals.
Habit:
Stems twining, terete, young parts densely pubescent to tomentose, adult parts glabrescent.
Inflorescences:
Peduncles axillary, 2- 14 cm long, one to many-flowered, pubescent like the stem. Pedicels much shorter than or nearly as long as the sepals, elongated in fruit. Bracts lanceolate, acuminate, lower ones ca 1-2 cm long, pubescent on both sides.
Accepted name/Authority/Place of publication:

Argyreiabarnesii(Merr.) Ooststr., Blumea 6 (1950) 343.

Leaves:
Leaves ovate-oblong, ovate or broadly ovate, 6-18 by 3½-13 cm, rounded or cordate at the base, shortly to long-acuminate or caudate and mucronulate at the apex, more or less densely and softly pilose to tomentose on both sides, sometimes nearly glabrous above; nerves 7-9(-12) on either side of the midrib; petiole 2-5 cm, densely pubescent.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Seeds:
seed 1, ellipsoid, 1 cm long.
Synonyms:

Rivea barnesii Merr., Bur. GovtLab. Publ. 17 (1904) 40.

Thu, 2012-05-31 04:43 -- Esmond
Argyreia boholensis

Author:
Ooststroom,S.J. van & R.D. Hoogland.
Contributors:
Author:
Ooststroom,S.J. van & R.D. Hoogland.
Distribution:

Philippines (Bohol).

Ecology:

In openings in the forest and
along streams, 300-600 m.

Editor:
Esmond Er
Flowers:
Sepals glabrous, coriaceous; 2 outer ones broadly ovate-triangular, obtuse, 5 mm long, sepal 3 broadly ovate, obtuse, 5 mm long, with one broad thin margin; two inner sepals broader than long, broadly rounded, concave, ca 4 mm long, with two broad thinner margins. Corolla with deeply divided limb; lobes linear, reflexed and twisted, ca 18 mm long, densely sericeous outside, at the apex with 2 triangular glabrous lobules; tube cylindric, ca 8 mm long, glabrous. Filaments geniculate near their thick, broadened base, pubescent. Ovary glabrous, 2-celled.
Fruits:
Young fruits oblong-ellipsoid, glabrous, ca 1 cm long.
Habit:
Stems twining, terete or upwards slightly angular, glabrous, pale greyish-brown.
Inflorescences:
Peduncles in the upper leaf-axils, cymosefy 1-3(-5)-flowered, 2-7 ½ cm, glabrous or with some hairs. Pedicels of central flower ca 8-10 mm, of lateral flowers often shorter, glabrous. Bracts narrowly triangular, with incurved apex, ca 2 mm long, glabrous.
Accepted name/Authority/Place of publication:

Argyreia boholensis (Merr.) Ooststr., Blumea 6 (1950) 345

Leaves:
Leaves ovate or ovate-oblong, 4-10 by 1½-7 cm, rounded or very slightly cordate at the base, acute to shortly acuminate at the apex, thinly coriaceous, in dry state greyish or olivaceous, glabrous, or with a few hairs on the nerves, mainly on the midrib beneath; nerves 8-10 on either side of the midrib; petiole 2-3½ cm, glabrous.
References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

References:

Ooststroom,S.J. van & R.D. Hoogland. 1953. Convolvulaceae In Flora Malesiana 4:388–512.

Synonyms:

Lettsomiaboholensis Merr.,Philip. J. Sc. 29 (1926) 485.

Thu, 2012-05-31 04:40 -- Esmond

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