Argyreia hookeri

Nomenclature

Accepted name/Authority/Place of publication: 

Argyreia hookeri C.B.Clarke in Hook.f., Fl. Brit. Ind. 4: 185. 1883.

Description

Habit: 
Herbaceous climber; stems robust, 3–10 m long, greyish-hairy.
Leaves: 
Leaves broadly ovate to orbicular, 8–18 by 8–18 cm, base cordate, apex shortly acuminate, mucronulate, upper side glabrous or nearly so, underside sparsely hairy, more densely along veins; lateral veins 9–11 pairs; petiole 4–7 cm, hairy like stem.
Inflorescences: 
Inflorescence long-stalked, few to many-fowered, cymosely branched; peduncle 8–28 cm long; lower bracts foliose, lanceolate or oblong-lanceolate, 1.0–1.8 cm long, diminishing above, whitish sericeous outside; pedicels 5–8 mm, greyish appressed hairy.
Flowers: 
Flower sepals lanceolate, acute, apex recurved, 3 outer 10–12 mm long, inner c. 9 mm, thinly white sericeous outside and inside at apex; corolla tubular-funnelform, 5.5–7 cm long, pink-purple, darker in centre, limb subentire, midpetaline bands hairy outside, otherwise glabrous; stamens included, filaments pilose basally; pistil included, ovary glabrous, 4-celled.
Fruits: 
Berries globose, 15–20 mm diam.
Seeds: 
Seeds 4 or fewer, black.
Author: 
Staples, G. & P. Traiperm.
References: 

Staples, G. & P. Traiperm. 2010. Argyreia in Convolvulaceae. Fl. Thailand 10(3): 337–371.

Biogeography, Ecology and Natural History

Distribution Map: 
Distribution: 

Nepal, India, Bhutan, Myanmar, Thailand, Indonesia (naturalized on Java).

Ecology: 

Dry savannah
forest, mixed deciduous forest rich in bamboo, reported on limestone; altitude:
200–750 m.

Phenology: 

Flowering: July, November.

Author: 
Staples, G. & P. Traiperm.
References: 

Staples, G. & P. Traiperm. 2010. Argyreia in Convolvulaceae. Fl. Thailand 10(3): 337–371.

Chemical Data

Author: 
Eckart Eich
Chemical Data: 

Simple pyrrolidine alkaloids (epigeal vegetative parts): hygrine, cuscohygrine, propylhygrines, phygrine. # Simple tropane alkaloids (epigeal vegetative parts): tropan-3-one (= tropinone), 3a-hydroxytropane ( = tropine). # Nicotinoids (epigeal vegetative parts): Nicotine. # Calystegines (leaves): B1, B4, C1. # ß-Carboline alkaloids (epigeal vegetative parts): harman, norharmane. # Ergoline alkaloids (seeds): chanoclavine-I, elymoclavine, lysergic acid amide (= ergine).

References: 

Simple pyrrolidine alkaloids, simple tropane alkaloids, nicotinoids, ß-carboline alkaloids: Eich, E. 2008. # Calystegines: Schimming, T, et al. 2005. # Ergoline alkaloids: Eich, E. 2008. # Chemical structures: Chemistry of Convolvulaceae (family overview).

Authorship for webpage

Editor: 
George Staples, Esmond Er
Contributors: 
Classification: 
Argyreia hookeri

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