Argyreia cinerea

Nomenclature

Accepted name/Authority/Place of publication: 

ArgyreiacinereaOoststr., Blumea 5 (1943)374.

Description

Habit: 
Stems twining, up to 15-20 m high; young branches densely pale greyish pubescent or shortly tomentose as are the petioles, peduncles and inflorescences; adult branches glabrescent.
Leaves: 
Leaves elliptic-oblong, elliptic or ovate-elliptic, 6-13 by 3½-10 cm; at the base rounded, slightly cordate, or shortly contracted into the petiole; narrowed towards the obtusish, obtuse, or shortly apiculate, mucronulate apex; upper surface strigillose, lower surface with very short, crisped hairs; midrib and 9-12 nerves on either side prominent beneath, flat or slightly sulcate above; minor nervation reticulate; petiole 1½-6 cm.
Inflorescences: 
Peduncles axillary, much exceeding the petioles, straight or slightly curved, 4½-15 cm, umbellately cymose at the apex, with 3-5 branches. Pedicels l-2 mm. Lower bracts oblong-lanceolate, 7-15 mm long, upper ones 2-3 mm.
Flowers: 
Two exterior sepals broadly ovate-triangular or semi-orbicular, obtuse to rounded, three interior ones orbicular to transverse-elliptic; all 2½-3 mm long, densely pale greyish pubescent to shortly tomentose outside, sepal 3 with one, sepals 4 and 5 with two glabrous lateral margins. Corolla small, deeply 5-lobed, white; tube cylindric, 2½-3½ mm long; lobes oblong, ca 5½-6 mm long, reflexed; midpetaline bands sericeous outside, margins glabrous. Filaments inserted at the mouth of the tube, at the base flattened and with a few very short hairs. Ovary glabrous, 2-celled.
Fruits: 
Fruit ellipsoid, up to 9 mm long, reddish purple.
Author: 
Ooststroom,S.J. van & R.D. Hoogland.
References: 

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

Biogeography, Ecology and Natural History

Distribution: 

North Celebes.

Ecology: 

In forests at 300-400 m.

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

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

Other information

Common names and uses: 
Wuliliten, Tontemboan.

Authorship for webpage

Editor: 
Esmond Er
Contributors: 
Classification: 
Thu, 2012-05-31 04:17 -- Esmond
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