Argyreia wallichii

Nomenclature

Accepted name/Authority/Place of publication:

Argyreia wallichii Choisy, Mém.Soc. Phys. Genève 6: 421. 1834.

Description

Habit:

Lianas. Stems terete, ± ashy or whitish tomentose.

Leaves:

Petiole 5–13 cm, tomentose; leaf blade broadly ovate to almost circular, 10–25 × 6–20 cm, abaxial surface ashy or whitish tomentose, adaxial surface glabrous or sparsely strigose, base cordate, apex acute; lateral veins 10–15 pairs, prominent adaxially.

Inflorescences:

Inflorescence a nearly capitate cyme, 2.5–7 cm in diam., many flowered; peduncle to 2.5 cm; outer bracts 2.5–4 cm, ovate-elliptic, dull yellowish or grayish pubescent abaxially; inner bracts persistent, smaller.

Flowers:

Sepals elliptic-oblong, ± equal, 10–12 × 5 mm, villous abaxially; fruiting sepals enlarged, rose-red, shiny. Corolla whitish, pink, or purple, tubular-funnelform, 4–7 cm, midpetaline bands sparsely whitish villous; limb entire or shallowly lobed. Stamens and pistil included; filaments villous basally; anthers oblong, ca. 3.5 mm. Ovary glabrous; style ca. 3 cm.

Fruits:

Berry enclosed by calyx, red, globose, 8–9 mm in diam.

Author:

Fang R.C. & G. Staples

References:

Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.

Cytology

Chromosome number:

Author:

Fang R.C. & G. Staples

References:

Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.

Biogeography, Ecology and Natural History

Distribution Map:

Distribution:

China (S Guizhou, SW Sichuan, S Yunnan), Bhutan, NE India, Myanmar, Sikkim, N Thailand.

Ecology:

China: In
thickets, forests; 800–1500 m.

Thailand: Sunny places in mixed evergreen forest, grassy fields, bamboo
forest, moist gallery forest along stream through deciduous dipterocarp forest,
often on limestone or calcareous soil; elevation 1200–1450 m.

Phenology:

Flw. Aug-Nov, frt. Nov-Mar.

Author:

Fang R.C. & G. Staples

References:

Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.

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

Other information

Common names and uses:

da ye yin bei teng (Chinese).

Authorship for webpage

Editor:

George Staples, Esmond Er

Contributors:

Convolvulaceae Unlimited

Convolvulaceae

Argyreia wallichii

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